def setUp(self):
self.model_part_size = model_part_size = 3
self.parameters = {
'interface_a': [{
'model_part': 'mp1',
'variables': ['pressure', 'traction']
}, {
'model_part': 'mp2',
'variables': ['density']
}],
'interface_b': [{
'model_part': 'mp1',
'variables': ['pressure', 'displacement']
}, {
'model_part': 'mp2',
'variables': ['density']
}],
'interface_c': [{
'model_part': 'mp1',
'variables': ['pressure', 'traction']
}, {
'model_part': 'mp3',
'variables': ['density']
}],
'interface_d': [{
'model_part': 'mp2',
'variables': ['density']
}, {
'model_part': 'mp1',
'variables': ['pressure', 'displacement']
}],
}
self.model = Model()
self.x0 = x0 = np.random.rand(3 * model_part_size)
self.y0 = y0 = np.random.rand(3 * model_part_size)
self.z0 = z0 = np.random.rand(3 * model_part_size)
self.ids = ids = np.arange(0, model_part_size)
np.random.shuffle(ids)
self.model.create_model_part('mp1', x0[0:model_part_size],
y0[0:model_part_size],
z0[0:model_part_size], ids)
self.model.create_model_part('mp2',
x0[model_part_size:2 * model_part_size],
y0[model_part_size:2 * model_part_size],
z0[model_part_size:2 * model_part_size],
ids)
self.model.create_model_part(
'mp3', x0[2 * model_part_size:3 * model_part_size],
y0[2 * model_part_size:3 * model_part_size],
z0[2 * model_part_size:3 * model_part_size], ids)
self.interface = Interface(self.parameters['interface_a'], self.model)
self.scalar_size = 1
self.vector_size = 3
self.pressure = np.random.rand(model_part_size, self.scalar_size)
self.traction = np.random.rand(model_part_size, self.vector_size)
self.temperature = np.random.rand(model_part_size, self.scalar_size)
self.density = np.random.rand(model_part_size, self.scalar_size)
self.interface_data = np.random.rand(model_part_size * 5)
def test_eq(self):
self.interface.set_interface_data(self.interface_data)
model_part_size = self.model_part_size
x0 = self.x0
y0 = self.y0
z0 = self.z0
ids = self.ids
model2 = Model()
model2.create_model_part('mp1', x0[0:model_part_size],
y0[0:model_part_size], z0[0:model_part_size],
ids)
model2.create_model_part('mp2',
x0[model_part_size:2 * model_part_size],
y0[model_part_size:2 * model_part_size],
z0[model_part_size:2 * model_part_size], ids)
interface2 = Interface(self.parameters['interface_a'], model2)
interface2.set_interface_data(self.interface_data)
self.assertIsNot(self.interface, interface2)
self.assertEqual(self.interface, interface2)
interface3 = Interface(self.parameters['interface_b'], model2)
interface3.set_interface_data(self.interface_data)
self.assertNotEqual(self.interface, interface3)
interface4 = interface2.copy()
interface_data4 = self.interface_data.copy()
interface_data4[np.random.randint(interface4.size)] = np.random.rand()
interface4.set_interface_data(interface_data4)
self.assertNotEqual(self.interface, interface4)
def test_convergence_criterion_relative_norm(self):
m = 10
dz = 2
a0 = 10
a1 = 1e-4
a2 = 1e-6
variable = 'area'
model_part_name = 'wall'
interface_settings = [{'model_part': model_part_name, 'variables': [variable]}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
a0_array = np.full((m, 1), a0)
a1_array = np.full((m, 1), a1)
a2_array = np.full((m, 1), a2)
# create interface
interface = Interface(interface_settings, model)
# create convergence criterion
parameters = {'type': 'convergence_criteria.relative_norm',
'settings': {'tolerance': 1e-6, 'order': 2}}
convergence_criterion_relative_norm = create_instance(parameters)
convergence_criterion_relative_norm.initialize()
# test convergence criterion
for i in range(3):
convergence_criterion_relative_norm.initialize_solution_step()
is_satisfied = convergence_criterion_relative_norm.is_satisfied()
self.assertFalse(is_satisfied)
interface.set_variable_data(model_part_name, variable, a0_array)
convergence_criterion_relative_norm.update(interface)
is_satisfied = convergence_criterion_relative_norm.is_satisfied()
self.assertFalse(is_satisfied)
interface.set_variable_data(model_part_name, variable, a1_array)
convergence_criterion_relative_norm.update(interface)
is_satisfied = convergence_criterion_relative_norm.is_satisfied()
self.assertFalse(is_satisfied)
interface.set_variable_data(model_part_name, variable, a2_array)
convergence_criterion_relative_norm.update(interface)
is_satisfied = convergence_criterion_relative_norm.is_satisfied()
self.assertTrue(is_satisfied)
interface.set_variable_data(model_part_name, variable, a1_array)
convergence_criterion_relative_norm.update(interface)
is_satisfied = convergence_criterion_relative_norm.is_satisfied()
self.assertFalse(is_satisfied)
convergence_criterion_relative_norm.finalize_solution_step()
def test_convergence_criterion_and(self):
m = 10
dz = 2
a0 = 1
variable = 'area'
model_part_name = 'wall'
interface_settings = [{'model_part': model_part_name, 'variables': [variable]}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
a0_array = np.full((m, 1), a0)
# create interface
interface = Interface(interface_settings, model)
interface.set_variable_data(model_part_name, variable, a0_array)
# read settings
parameter_file_name = os.path.join(os.path.dirname(__file__), 'test_and.json')
with open(parameter_file_name, 'r') as parameter_file:
parameters = json.load(parameter_file)
convergence_criterion_and = create_instance(parameters)
convergence_criterion_and.initialize()
for i in range(3):
convergence_criterion_and.initialize_solution_step()
is_satisfied = convergence_criterion_and.is_satisfied()
self.assertFalse(is_satisfied)
convergence_criterion_and.update(interface)
is_satisfied = convergence_criterion_and.is_satisfied()
self.assertFalse(is_satisfied)
convergence_criterion_and.update(interface)
is_satisfied = convergence_criterion_and.is_satisfied()
self.assertFalse(is_satisfied)
convergence_criterion_and.update(interface)
is_satisfied = convergence_criterion_and.is_satisfied()
self.assertFalse(is_satisfied)
convergence_criterion_and.update(interface)
is_satisfied = convergence_criterion_and.is_satisfied()
self.assertTrue(is_satisfied)
convergence_criterion_and.update(interface)
is_satisfied = convergence_criterion_and.is_satisfied()
self.assertTrue(is_satisfied)
convergence_criterion_and.finalize_solution_step()
def __init__(self, parameters):
super().__init__()
self.settings = parameters['settings']
self.model = data_structure.Model()
dx = lx / (nx - 1)
dy = ly / (ny - 1)
perturb_factor = 0.0
x = np.linspace(0, lx, nx) + np.random.rand(nx) * dx * perturb_factor
y = np.linspace(0, ly, ny) + np.random.rand(ny) * dy * perturb_factor
xx, yy = np.meshgrid(x, y)
x0_in = xx.ravel()
y0_in = yy.ravel()
x0_out = xx.ravel()
y0_out = yy.ravel()
z0_in = np.zeros_like(x0_in)
z0_out = np.zeros_like(x0_out)
node_ids_in = np.arange(0, nx * ny)
node_ids_out = np.arange(0, nx * ny)
self.mp_name_in_list = []
for interface_settings in self.settings['interface_input']:
self.model.create_model_part(interface_settings['model_part'],
x0_in, y0_in, z0_in, node_ids_in)
self.mp_name_in_list.append(interface_settings['model_part'])
self.mp_name_out_list = []
for interface_settings in self.settings['interface_output']:
self.model.create_model_part(interface_settings['model_part'],
x0_out, y0_out, z0_out, node_ids_out)
self.mp_name_out_list.append(interface_settings['model_part'])
# # Interfaces
self.interface_input = Interface(self.settings["interface_input"],
self.model)
self.interface_output = Interface(self.settings["interface_output"],
self.model)
# run time
self.run_time = 0.0
def test_predictor_linear(self):
m = 10
dz = 3
a0 = 1
p1 = 1
a1 = 2
p2 = 3
variable = 'area'
model_part_name = 'wall'
interface_settings = [{
'model_part': model_part_name,
'variables': [variable]
}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
a0_array = np.full((m, 1), a0)
# create interface
interface = Interface(interface_settings, model)
interface.set_variable_data(model_part_name, variable, a0_array)
# create predictor
parameters = {'type': 'predictors.linear'}
predictor_linear = create_instance(parameters)
predictor_linear.initialize(interface)
# first prediction needs to be equal to initialized value
predictor_linear.initialize_solution_step()
prediction = predictor_linear.predict(interface)
self.assertIsInstance(prediction, Interface)
prediction_as_array = prediction.get_interface_data()
for i in range(m):
self.assertAlmostEqual(p1, prediction_as_array[i])
interface_as_array = a1 * prediction_as_array
interface.set_interface_data(interface_as_array)
predictor_linear.update(interface)
predictor_linear.finalize_solution_step()
# second prediction needs to be linear
predictor_linear.initialize_solution_step()
prediction = predictor_linear.predict(interface)
self.assertIsInstance(prediction, Interface)
prediction_as_array = prediction.get_interface_data()
for i in range(m):
self.assertAlmostEqual(p2, prediction_as_array[i])
def __init__(self, parameters):
super().__init__()
self.settings = parameters["settings"]
self.working_directory = join(os.getcwd(),
self.settings["working_directory"])
self.env = tools.get_solver_env(__name__, self.working_directory)
delta_t = self.settings["delta_t"]
timestep_start = self.settings["timestep_start"]
dimensions = self.settings["dimensions"]
self.timestep = None
input_file_name = join(self.working_directory,
self.settings["input_file"])
with open(input_file_name, "r") as parameter_file:
kratos_parameters = json.load(parameter_file)
kratos_parameters["problem_data"]["start_time"] = timestep_start
kratos_parameters["problem_data"]["time_step"] = delta_t
kratos_parameters["problem_data"]["domain_size"] = dimensions
kratos_parameters["problem_data"]["end_time"] = 1e15
interface_sub_model_parts_list = self.settings[
"kratos_interface_sub_model_parts_list"]
kratos_parameters[
"interface_sub_model_parts_list"] = interface_sub_model_parts_list
with open(os.path.join(self.working_directory, input_file_name),
'w') as f:
json.dump(kratos_parameters, f, indent=4)
self.check_interface()
self.model = data_structure.Model()
dir_path = os.path.dirname(os.path.realpath(__file__))
run_script_file = os.path.join(dir_path, 'run_kratos_structural_60.py')
self.kratos_process = Popen(
f'python3 {run_script_file} {input_file_name} &> log',
shell=True,
cwd=self.working_directory,
env=self.env)
self.wait_message('start_ready')
for mp_name in interface_sub_model_parts_list:
file_path = os.path.join(self.working_directory,
f'{mp_name}_nodes.csv')
node_data = pd.read_csv(file_path, skipinitialspace=True)
node_ids = np.array(node_data.node_id)
x0 = np.array(node_data.x0)
y0 = np.array(node_data.y0)
z0 = np.array(node_data.z0)
self.model.create_model_part(f'{mp_name}_input', x0, y0, z0,
node_ids)
self.model.create_model_part(f'{mp_name}_output', x0, y0, z0,
node_ids)
# # Interfaces
self.interface_input = Interface(self.settings["interface_input"],
self.model)
self.interface_output = Interface(self.settings["interface_output"],
self.model)
# time
self.init_time = self.init_time
self.run_time = 0.0
self.residual_variables = self.settings.get('residual_variables', None)
self.res_filepath = os.path.join(self.working_directory,
'residuals.csv')
if self.residual_variables is not None:
self.write_residuals_fileheader()
class SolverWrapperKratosStructure60(Component):
@tools.time_initialize
def __init__(self, parameters):
super().__init__()
self.settings = parameters["settings"]
self.working_directory = join(os.getcwd(),
self.settings["working_directory"])
self.env = tools.get_solver_env(__name__, self.working_directory)
delta_t = self.settings["delta_t"]
timestep_start = self.settings["timestep_start"]
dimensions = self.settings["dimensions"]
self.timestep = None
input_file_name = join(self.working_directory,
self.settings["input_file"])
with open(input_file_name, "r") as parameter_file:
kratos_parameters = json.load(parameter_file)
kratos_parameters["problem_data"]["start_time"] = timestep_start
kratos_parameters["problem_data"]["time_step"] = delta_t
kratos_parameters["problem_data"]["domain_size"] = dimensions
kratos_parameters["problem_data"]["end_time"] = 1e15
interface_sub_model_parts_list = self.settings[
"kratos_interface_sub_model_parts_list"]
kratos_parameters[
"interface_sub_model_parts_list"] = interface_sub_model_parts_list
with open(os.path.join(self.working_directory, input_file_name),
'w') as f:
json.dump(kratos_parameters, f, indent=4)
self.check_interface()
self.model = data_structure.Model()
dir_path = os.path.dirname(os.path.realpath(__file__))
run_script_file = os.path.join(dir_path, 'run_kratos_structural_60.py')
self.kratos_process = Popen(
f'python3 {run_script_file} {input_file_name} &> log',
shell=True,
cwd=self.working_directory,
env=self.env)
self.wait_message('start_ready')
for mp_name in interface_sub_model_parts_list:
file_path = os.path.join(self.working_directory,
f'{mp_name}_nodes.csv')
node_data = pd.read_csv(file_path, skipinitialspace=True)
node_ids = np.array(node_data.node_id)
x0 = np.array(node_data.x0)
y0 = np.array(node_data.y0)
z0 = np.array(node_data.z0)
self.model.create_model_part(f'{mp_name}_input', x0, y0, z0,
node_ids)
self.model.create_model_part(f'{mp_name}_output', x0, y0, z0,
node_ids)
# # Interfaces
self.interface_input = Interface(self.settings["interface_input"],
self.model)
self.interface_output = Interface(self.settings["interface_output"],
self.model)
# time
self.init_time = self.init_time
self.run_time = 0.0
self.residual_variables = self.settings.get('residual_variables', None)
self.res_filepath = os.path.join(self.working_directory,
'residuals.csv')
if self.residual_variables is not None:
self.write_residuals_fileheader()
@tools.time_initialize
def initialize(self):
super().initialize()
self.timestep = 0
def initialize_solution_step(self):
super().initialize_solution_step()
self.timestep += 1
self.send_message('next')
self.wait_message('next_ready')
@tools.time_solve_solution_step
def solve_solution_step(self, interface_input):
self.interface_input.set_interface_data(
interface_input.get_interface_data())
self.write_input_data()
self.send_message('continue')
self.wait_message('continue_ready')
self.update_interface_output()
return self.get_interface_output()
def finalize_solution_step(self):
super().finalize_solution_step()
self.send_message('save')
self.wait_message('save_ready')
if self.residual_variables is not None:
self.write_residuals()
def finalize(self):
super().finalize()
self.send_message('stop')
self.wait_message('stop_ready')
self.remove_all_messages()
self.kratos_process.kill()
def get_interface_input(self):
return self.interface_input
def get_interface_output(self):
return self.interface_output
def write_input_data(self):
interface_sub_model_parts_list = self.settings[
"kratos_interface_sub_model_parts_list"]
for mp_name in interface_sub_model_parts_list:
input_mp_name = f'{mp_name}_input'
input_mp = self.model.get_model_part(input_mp_name)
file_path_pr = os.path.join(self.working_directory,
f'{mp_name}_pressure.csv')
with open(file_path_pr, 'w') as f:
f.write('node_id, pressure\n')
file_path_sl = os.path.join(self.working_directory,
f'{mp_name}_surface_load.csv')
with open(file_path_sl, 'w') as f:
f.write(
'node_id, surface_load_x, surface_load_y, surface_load_z\n'
)
pressure_array = np.ravel(
self.interface_input.get_variable_data(input_mp_name,
'pressure'))
surface_load_array = self.interface_input.get_variable_data(
input_mp_name, 'traction')
for i in range(0, input_mp.size):
with open(file_path_pr, 'a') as f:
f.write(
str(input_mp.id[i]) + ', ' + str(pressure_array[i]) +
'\n')
with open(file_path_sl, 'a') as f:
f.write(
str(input_mp.id[i]) + ', ' +
str(surface_load_array[i, 0]) + ', ' +
str(surface_load_array[i, 1]) + ', ' +
str(surface_load_array[i, 2]) + '\n')
def update_interface_output(self):
interface_sub_model_parts_list = self.settings[
"kratos_interface_sub_model_parts_list"]
for mp_name in interface_sub_model_parts_list:
output_mp_name = f'{mp_name}_output'
file_path = os.path.join(self.working_directory,
f'{mp_name}_displacement.csv')
disp_data = pd.read_csv(file_path, skipinitialspace=True)
disp_x = np.array(disp_data.displacement_x)
disp_y = np.array(disp_data.displacement_y)
disp_z = np.array(disp_data.displacement_z)
displacement = np.column_stack((disp_x, disp_y, disp_z))
self.interface_output.set_variable_data(output_mp_name,
'displacement',
displacement)
def check_interface(self):
input_interface_model_parts = [
param["model_part"] for param in self.settings["interface_input"]
]
output_interface_model_parts = [
param["model_part"] for param in self.settings["interface_output"]
]
sub_mp_name_list = self.settings[
"kratos_interface_sub_model_parts_list"]
for sub_mp_name in sub_mp_name_list:
if f'{sub_mp_name}_input' not in input_interface_model_parts:
raise RuntimeError(
f'Error in json file: {sub_mp_name}_input not listed in "interface_input": '
f'{self.settings["interface_input"]}.\n. <sub_mp_name> in the '
f'"kratos_interface_sub_model_parts_list" in json file should have corresponding '
f'<sub_mp_name>_input in "interface_input" list. ')
if f'{sub_mp_name}_output' not in output_interface_model_parts:
raise RuntimeError(
f'Error in json file: {sub_mp_name}_output not listed in "interface_output": '
f'{self.settings["interface_output"]}.\n. <sub_mp_name> in the '
f'"kratos_interface_sub_model_parts_list" in json file should have corresponding '
f'<sub_mp_name>_output in "interface_output" list.')
def send_message(self, message):
file = join(self.working_directory, message + ".coco")
open(file, 'w').close()
return
def wait_message(self, message):
file = join(self.working_directory, message + ".coco")
while not os.path.isfile(file):
time.sleep(0.01)
os.remove(file)
return
def check_message(self, message):
file = join(self.working_directory, message + ".coco")
if os.path.isfile(file):
os.remove(file)
return True
return False
def remove_all_messages(self):
for file_name in os.listdir(self.working_directory):
if file_name.endswith('.coco'):
file = join(self.working_directory, file_name)
os.remove(file)
def write_residuals_fileheader(self):
header = ''
sep = ', '
with open(self.res_filepath, 'w') as f:
f.write('# Residuals\n')
for variable in self.residual_variables:
header += variable + sep
f.write(header.strip(sep) + '\n')
def write_residuals(self):
float_pattern = r'[+-]?\d*\.?\d*[eE]?[+-]?\d*'
log_filepath = os.path.join(self.working_directory, f'log')
if os.path.isfile(log_filepath):
with open(log_filepath, 'r') as f:
log_string = f.read()
time_start_string = r'STEP:\s+' + str(self.timestep - 1)
time_end_string = r'STEP:\s+' + str(self.timestep)
match = re.search(time_start_string + r'(.*)' + time_end_string,
log_string,
flags=re.S)
if match is not None:
time_block = match.group(1)
iteration_block_list = re.findall(
r'Coupling iteration: \d(.*?)Coupling iteration \d+ end',
time_block,
flags=re.S)
for iteration_block in iteration_block_list:
residual_array = np.empty(len(self.residual_variables))
for i, variable in enumerate(self.residual_variables):
search_string = r'\n' + variable + r' CRITERION.*[Nn]orm = ' + r'(' + float_pattern + r')'
var_residual_list = re.findall(search_string,
iteration_block)
if var_residual_list:
# last initial residual of the non-linear iteration
var_residual = float(var_residual_list[-1])
residual_array[i] = var_residual
else:
raise RuntimeError(
f'{variable} CRITERION not found in kratos log file'
)
with open(self.res_filepath, 'a') as f:
np.savetxt(f, [residual_array], delimiter=', ')
def test_model_mv(self):
m = 5
dz = 2
x = 10
variable = 'area'
model_part_name = 'wall'
interface_settings = [{
'model_part': model_part_name,
'variables': [variable]
}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
x_array = np.full((m, 1), x)
# create interface
interface = Interface(interface_settings, model)
interface.set_variable_data(model_part_name, variable, x_array)
# read settings
parameter_file_name = os.path.join(os.path.dirname(__file__),
'test_mv.json')
with open(parameter_file_name, 'r') as parameter_file:
settings = json.load(parameter_file)
min_significant = settings["settings"]["min_significant"]
mv = create_instance(settings)
mv.size_in = mv.size_out = m
mv.out = interface.copy()
mv.initialize()
mv.initialize_solution_step()
r = interface.copy()
xt = interface.copy()
r1 = np.array([1, 2, 3, 4, 5])
xt1 = np.array([5, 4, 3, 2, 1])
r2 = np.array([8, 5, 5, 5, 8])
xt2 = np.array([1, 4, 8, 5, 5])
r3 = np.array([7, 5, 6, 4, 3])
r4 = np.array([1, 1, 7, 4, 0])
xt4 = np.array([9, 7, 5, 8, 4])
r5 = np.array([9, 5, 10, 6, 4])
xt5 = np.array([5, 1, 2, 3, 9])
r6 = np.array([7, 8, 1, 2, 3])
xt6 = np.array([7, 5, 5, 1, 2])
r7 = np.array([1, 2, 5, 1, 2])
xt7 = np.array([4, 2, 1, 1, 2])
r8 = np.array([6, 3, 9, 0, 3])
xt8 = np.array([3, 1, 2, 3, 9])
r9 = np.array([1, 3, 5, 0, 8])
xt9 = np.array([8, 1, 5, 3, 9])
r10 = np.array([1, 3, -5, 8, 8])
xt10 = np.array([8, -9, 5, 3, -9])
r11 = r1
xt11 = xt1
r12 = r2
xt12 = xt2
r13 = r10 * 0.95
xt13 = xt10
is_ready = mv.is_ready()
self.assertFalse(is_ready)
r.set_interface_data(r1)
xt.set_interface_data(xt1)
mv.add(r, xt)
self.assertTrue(mv.added)
np.testing.assert_array_equal(r1[:, np.newaxis], mv.rref)
np.testing.assert_array_equal(xt1[:, np.newaxis], mv.xtref)
self.assertIsNone(mv.ncurr)
is_ready = mv.is_ready()
self.assertFalse(is_ready)
r.set_interface_data(r2)
xt.set_interface_data(xt2)
mv.add(r, xt)
self.assertTrue(mv.added)
np.testing.assert_array_equal(r2[:, np.newaxis], mv.rref)
np.testing.assert_array_equal(xt2[:, np.newaxis], mv.xtref)
self.assertEqual(mv.v.shape, (m, 1))
np.testing.assert_array_equal(mv.v[:, 0], r2 - r1)
self.assertEqual(mv.w.shape, (m, 1))
np.testing.assert_array_equal(mv.w[:, 0], xt2 - xt1)
n_sol = [
-0.388888888888889, -0.166666666666667, -0.111111111111111,
-0.0555555555555556, -0.166666666666667, 0, 0, 0, 0, 0,
0.486111111111111, 0.208333333333333, 0.138888888888889,
0.0694444444444445, 0.208333333333333, 0.291666666666667,
0.125000000000000, 0.0833333333333333, 0.0416666666666667,
0.125000000000000, 0.388888888888889, 0.166666666666667,
0.111111111111111, 0.0555555555555556, 0.166666666666667
]
np.testing.assert_allclose(mv.ncurr.flatten(), n_sol)
np.testing.assert_array_equal(mv.nprev.flatten(),
np.zeros((m, m)).flatten())
is_ready = mv.is_ready()
self.assertTrue(is_ready)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
4.94444444444445, 0, -6.18055555555556, -3.70833333333333,
-4.944444444444452
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
r.set_interface_data(r4)
xt.set_interface_data(xt4)
mv.add(r, xt)
self.assertEqual(mv.v.shape, (m, 2))
np.testing.assert_array_equal(mv.v[:, 0], r4 - r2)
self.assertEqual(mv.w.shape, (m, 2))
np.testing.assert_array_equal(mv.w[:, 0], xt4 - xt2)
n_sol = [
-0.306429548563612, -0.216142270861833, 0.251709986320109,
-0.0437756497948016, -0.555403556771546, 0.0718194254445965,
-0.0430916552667578, 0.316005471956224, 0.0102599179206566,
-0.338577291381669, 0.550615595075240, 0.169630642954856,
0.422708618331053, 0.0786593707250342, -0.0957592339261285,
0.445280437756498, 0.0328317373461012, 0.759233926128591,
0.0636114911080711, -0.599179206566348, 0.474008207934337,
0.115595075239398, 0.485636114911081, 0.0677154582763338,
-0.234610123119015
]
np.testing.assert_allclose(mv.ncurr.flatten(), n_sol)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
3.55677154582763, -1.20861833105335, -7.26607387140903,
-6.29343365253078, -6.37688098495212
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
r.set_interface_data(r5)
xt.set_interface_data(xt5)
mv.add(r, xt)
self.assertEqual(mv.v.shape, (m, 2))
np.testing.assert_array_equal(mv.v[:, 0], r5 - r4)
self.assertEqual(mv.w.shape, (m, 2))
np.testing.assert_array_equal(mv.w[:, 0], xt5 - xt4)
n_sol = [
-0.258792878853669, -0.180633955709944, 0.376899696048632,
0.0121580547112462, -0.590534085974816, -0.460486322188450,
-0.200607902735562, -0.446808510638298, -0.159574468085106,
0.0364741641337384, -0.266391663048198, -0.0651324359531047,
-0.729483282674772, -0.168693009118541, 0.479374728614850,
-0.379722101606600, -0.171081198436822, -0.316109422492401,
-0.123100303951368, -0.0208423795049935, 0.395788102475033,
0.155449413808076, 0.541033434650456, 0.162613981762918,
-0.184107685627443
]
np.testing.assert_allclose(mv.ncurr.flatten(), n_sol)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
2.17629179331307, 7.43617021276596, 5.80395136778116,
5.96504559270517, -6.89209726443769
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
self.assertEqual(mv.v.shape, (m, 2))
np.testing.assert_array_equal(mv.v.T.flatten(),
np.hstack((r5 - r4, r4 - r2)))
self.assertEqual(mv.w.shape, (m, 2))
np.testing.assert_array_equal(mv.w.T.flatten(),
np.hstack((xt5 - xt4, xt4 - xt2)))
r.set_interface_data(r6)
xt.set_interface_data(xt6)
mv.add(r, xt)
r.set_interface_data(r7)
xt.set_interface_data(xt7)
mv.add(r, xt)
r.set_interface_data(r8)
xt.set_interface_data(xt8)
mv.add(r, xt)
n_sol = [
1.59692513368984, -1.67045454545455, -1.19117647058823,
0.612967914438510, -1.93649732620321, 3.87433155080215,
-5.22727272727274, -3.11764705882354, 0.660427807486646,
-2.01336898395721, 4.65909090909091, -6.15909090909093,
-3.50000000000001, 0.568181818181834, -1.56818181818181,
5.05213903743316, -7.02272727272729, -3.32352941176471,
0.736631016042804, -2.20721925133689, 1.72192513368984,
-1.54545454545455, 0.0588235294117627, -0.262032085561494,
-0.561497326203206
]
np.testing.assert_allclose(mv.ncurr.flatten(), n_sol)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
7.67847593582868, 21.1203208556145, 21.6136363636358,
23.3649732620315, -1.94652406417126
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
self.assertEqual(mv.v.shape, (m, 5))
np.testing.assert_array_equal(
mv.v.T.flatten(),
np.hstack((r8 - r7, r7 - r6, r6 - r5, r5 - r4, r4 - r2)))
self.assertEqual(mv.w.shape, (m, 5))
np.testing.assert_array_equal(
mv.w.T.flatten(),
np.hstack((xt8 - xt7, xt7 - xt6, xt6 - xt5, xt5 - xt4, xt4 - xt2)))
r.set_interface_data(r9)
xt.set_interface_data(xt9)
mv.add(r, xt)
r.set_interface_data(r10)
xt.set_interface_data(xt10)
mv.add(r, xt)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
self.assertEqual(mv.v.shape, (m, 5))
np.testing.assert_array_equal(
mv.v.T.flatten(),
np.hstack((r10 - r9, r9 - r8, r8 - r7, r7 - r6, r6 - r5)))
self.assertEqual(mv.w.shape, (m, 5))
np.testing.assert_array_equal(
mv.w.T.flatten(),
np.hstack(
(xt10 - xt9, xt9 - xt8, xt8 - xt7, xt7 - xt6, xt6 - xt5)))
r.set_interface_data(r13)
xt.set_interface_data(xt13)
mv.add(r, xt)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
self.assertEqual(mv.v.shape, (m, 5))
np.testing.assert_array_equal(
mv.v.T.flatten(),
np.hstack((r10 - r9, r9 - r8, r8 - r7, r7 - r6, r6 - r5)))
self.assertEqual(mv.w.shape, (m, 5))
np.testing.assert_array_equal(
mv.w.T.flatten(),
np.hstack(
(xt10 - xt9, xt9 - xt8, xt8 - xt7, xt7 - xt6, xt6 - xt5)))
v = mv.v
w = mv.w
nprev = w @ np.linalg.inv(v.T @ v) @ v.T
# New solution step
mv.finalize_solution_step()
np.testing.assert_array_equal(mv.nprev.flatten(), nprev.flatten())
mv.initialize_solution_step()
self.assertIsNone(mv.rref)
self.assertFalse(mv.added)
self.assertEqual(mv.v.shape, (m, 0))
self.assertEqual(mv.w.shape, (m, 0))
is_ready = mv.is_ready()
self.assertTrue(is_ready)
np.testing.assert_allclose(mv.ncurr.flatten(), nprev.flatten())
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
r.set_interface_data(r11)
xt.set_interface_data(xt11)
mv.add(r, xt)
self.assertTrue(mv.added)
self.assertEqual(mv.v.shape, (m, 0))
self.assertEqual(mv.w.shape, (m, 0))
r.set_interface_data(r12)
xt.set_interface_data(xt12)
mv.add(r, xt)
n_sol = [
-1.07953029089939, 0.852682145716574, -0.00813984520949948,
0.0950093408059783, 0.306645316253002, -1.08484565430122,
2.54250066720043, 0.878480562227564, -0.192264923049552,
-0.532759540966108, 0.315863802152833, 0.444989324793168,
-0.139022328974290, -0.215427897873855, 0.649152655457700,
0.519159772262255, -0.566019482252470, -0.0682990837114143,
-0.0941975802864517, 0.431578596210302, -0.394248732319190,
0.855284227381908, 1.23271950894049, -0.654857219108619,
0.794435548438751
]
np.testing.assert_allclose(mv.ncurr.flatten(), n_sol)
r.set_interface_data(r3)
dxt = mv.predict(-1 * r)
dxt_sol = [
2.04216706698691, -8.02212881416246, -4.68760564006761,
-1.31217195979005, -8.67687483319990
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
self.assertEqual(mv.v.shape, (m, 1))
np.testing.assert_array_equal(mv.v,
r12[:, np.newaxis] - r11[:, np.newaxis])
self.assertEqual(mv.w.shape, (m, 1))
np.testing.assert_array_equal(
mv.w, xt12[:, np.newaxis] - xt11[:, np.newaxis])
def test_predictor(self):
m = 10
dz = 3
a0 = 1
a1 = 2
a2 = 3
a3 = 4
a4 = 5
variable = 'area'
model_part_name = 'wall'
interface_settings = [{
'model_part': model_part_name,
'variables': [variable]
}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
a0_array = np.full((m, 1), a0)
# create interface
interface = Interface(interface_settings, model)
interface.set_variable_data(model_part_name, variable, a0_array)
interface_as_array = interface.get_interface_data()
# create predictor
parameters = {'type': 'predictors.cubic'}
predictor_cubic = create_instance(parameters)
predictor_cubic.initialize(interface)
# a linear relation should be predicted in the same way by linear, quadratic and cubic predictors
predictor_cubic.initialize_solution_step()
interface.set_interface_data(a1 * interface_as_array)
predictor_cubic.update(interface)
predictor_cubic.finalize_solution_step()
predictor_cubic.initialize_solution_step()
interface.set_interface_data(a2 * interface_as_array)
predictor_cubic.update(interface)
predictor_cubic.finalize_solution_step()
predictor_cubic.initialize_solution_step()
interface.set_interface_data(a3 * interface_as_array)
predictor_cubic.update(interface)
predictor_cubic.finalize_solution_step()
predictor_cubic.initialize_solution_step()
prediction_linear = predictor_cubic.linear(
interface).get_interface_data()
prediction_quadratic = predictor_cubic.quadratic(
interface).get_interface_data()
prediction_cubic = predictor_cubic.cubic(
interface).get_interface_data()
for i in range(m):
self.assertAlmostEqual(a4, prediction_linear[i])
self.assertAlmostEqual(a4, prediction_quadratic[i])
self.assertAlmostEqual(a4, prediction_cubic[i])
# rror if no update
with self.assertRaises(Exception):
predictor_cubic.initialize_solution_step()
predictor_cubic.finalize_solution_step()
# error if updated twice
with self.assertRaises(Exception):
predictor_cubic.initialize_solution_step()
_ = predictor_cubic.predict(interface)
_ = predictor_cubic.predict(interface)
predictor_cubic.finalize_solution_step()
# error if prediction after update
with self.assertRaises(Exception):
predictor_cubic.initialize_solution_step()
_ = predictor_cubic.update(interface)
_ = predictor_cubic.predict(interface)
predictor_cubic.finalize_solution_step()
def test_coupled_solver_aitken(self):
m = 10
dz = 2
r = 0.1
x = 10
xt0 = 10.5
xt1 = 10.2
xt2 = 10.1
xt3 = 10.7
xt4 = 9.9
variable = 'area' # TODO: does not match JSON setings
model_part_name = 'wall'
interface_settings = [{
'model_part': model_part_name,
'variables': [variable]
}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
# create interface
interface = Interface(interface_settings, model)
omega_max = self.parameters['settings']['omega_max']
with cd(self.working_dir):
coupled_solver = create_instance(self.parameters)
coupled_solver.initialize()
coupled_solver.initialize_solution_step()
interface_r = interface.copy()
interface_r.set_interface_data(np.full(m, r))
interface_x = interface.copy()
interface_x.set_interface_data(x * np.ones(m))
interface_xt0 = interface.copy()
interface_xt0.set_interface_data(xt0 * np.ones(m))
interface_xt1 = interface.copy()
interface_xt1.set_interface_data(xt1 * np.ones(m))
interface_xt2 = interface.copy()
interface_xt2.set_interface_data(xt2 * np.ones(m))
interface_xt3 = interface.copy()
interface_xt3.set_interface_data(xt3 * np.ones(m))
interface_xt4 = interface.copy()
interface_xt4.set_interface_data(xt4 * np.ones(m))
# test value of self.added
is_ready = coupled_solver.is_ready()
self.assertFalse(is_ready)
# test update()
coupled_solver.update(interface_x, interface_xt0)
is_ready = coupled_solver.is_ready()
self.assertTrue(is_ready)
omega = coupled_solver.omega
self.assertEqual(omega, omega_max)
coupled_solver.update(interface_x, interface_xt1)
is_ready = coupled_solver.is_ready()
self.assertTrue(is_ready)
omega = coupled_solver.omega
self.assertAlmostEqual(omega, 5 / 3 * omega_max, 10)
coupled_solver.update(interface_x, interface_xt2)
omega = coupled_solver.omega
self.assertAlmostEqual(omega, 10 / 3 * omega_max, 10)
# test predict()
interface_dx = coupled_solver.predict(interface_r)
omega = interface_dx.get_interface_data()[0] / r
self.assertEqual(omega, coupled_solver.omega)
coupled_solver.predict(interface_r)
omega = coupled_solver.omega
self.assertAlmostEqual(omega, 10 / 3 * omega_max, 10)
# new solution step
coupled_solver.finalize_solution_step()
coupled_solver.initialize_solution_step()
# test value of self.added
is_ready = coupled_solver.is_ready()
self.assertFalse(is_ready)
# test update()
coupled_solver.update(interface_x, interface_xt0)
is_ready = coupled_solver.is_ready()
self.assertTrue(is_ready)
omega = coupled_solver.omega
self.assertEqual(omega, omega_max)
coupled_solver.update(interface_x, interface_xt3)
omega = coupled_solver.omega
self.assertAlmostEqual(omega, -5 / 2 * omega_max, 10)
# new solution step
coupled_solver.finalize_solution_step()
coupled_solver.initialize_solution_step()
# test update()
coupled_solver.update(interface_x, interface_xt0)
omega = coupled_solver.omega
self.assertEqual(omega, -omega_max)
coupled_solver.update(interface_x, interface_xt4)
omega = coupled_solver.omega
self.assertAlmostEqual(omega, -5 / 6 * omega_max, 10)
# new solution step
coupled_solver.finalize_solution_step()
coupled_solver.initialize_solution_step()
# test update()
coupled_solver.update(interface_x, interface_xt0)
omega = coupled_solver.omega
self.assertAlmostEqual(omega, -5 / 6 * omega_max, 10)
class DummySolver1(Component):
def __init__(self, parameters):
super().__init__()
self.settings = parameters['settings']
self.model = data_structure.Model()
dx = lx / (nx - 1)
dy = ly / (ny - 1)
perturb_factor = 0.0
x = np.linspace(0, lx, nx) + np.random.rand(nx) * dx * perturb_factor
y = np.linspace(0, ly, ny) + np.random.rand(ny) * dy * perturb_factor
xx, yy = np.meshgrid(x, y)
x0_in = xx.ravel()
y0_in = yy.ravel()
x0_out = xx.ravel()
y0_out = yy.ravel()
z0_in = np.zeros_like(x0_in)
z0_out = np.zeros_like(x0_out)
node_ids_in = np.arange(0, nx * ny)
node_ids_out = np.arange(0, nx * ny)
self.mp_name_in_list = []
for interface_settings in self.settings['interface_input']:
self.model.create_model_part(interface_settings['model_part'],
x0_in, y0_in, z0_in, node_ids_in)
self.mp_name_in_list.append(interface_settings['model_part'])
self.mp_name_out_list = []
for interface_settings in self.settings['interface_output']:
self.model.create_model_part(interface_settings['model_part'],
x0_out, y0_out, z0_out, node_ids_out)
self.mp_name_out_list.append(interface_settings['model_part'])
# # Interfaces
self.interface_input = Interface(self.settings["interface_input"],
self.model)
self.interface_output = Interface(self.settings["interface_output"],
self.model)
# run time
self.run_time = 0.0
def initialize(self):
super().initialize()
self.timestep = 0
def initialize_solution_step(self):
super().initialize_solution_step()
self.timestep += 1
@tools.time_solve_solution_step
def solve_solution_step(self, interface_input):
interface_data = interface_input.get_interface_data()
for mp_name in self.mp_name_out_list:
pressure_array, traction_array = self.calculate_output(
interface_data, self.interface_output, mp_name)
self.interface_output.set_variable_data(mp_name, 'pressure',
pressure_array)
self.interface_output.set_variable_data(mp_name, 'traction',
traction_array)
return self.get_interface_output()
def finalize_solution_step(self):
super().finalize_solution_step()
def finalize(self):
super().finalize()
def get_interface_input(self):
return self.interface_input
def get_interface_output(self):
return self.interface_output
def calculate_output(self, data, out_interface, out_mp_name):
nr_nodes = out_interface.get_model_part(out_mp_name).size
norm = np.linalg.norm(data)
min = np.min(data)
pressure = norm
traction = [min, -1 * min, 2 * min]
return np.full((nr_nodes, 1), pressure), np.full((nr_nodes, 3),
traction)
def test_model_ls(self):
m = 5
dz = 2
x = 10
variable = 'area'
model_part_name = 'wall'
interface_settings = [{
'model_part': model_part_name,
'variables': [variable]
}]
# create model and model_part
model = data_structure.Model()
ids = np.arange(0, m)
x0 = np.zeros(m)
y0 = np.zeros(m)
z0 = np.arange(0, m * dz, dz)
model.create_model_part(model_part_name, x0, y0, z0, ids)
x_array = np.full((m, 1), x)
# create interface
interface = Interface(interface_settings, model)
interface.set_variable_data(model_part_name, variable, x_array)
# read settings
parameter_file_name = os.path.join(os.path.dirname(__file__),
'test_ls.json')
with open(parameter_file_name, 'r') as parameter_file:
settings = json.load(parameter_file)
# with reuse
min_significant = settings["setting1"]["settings"]["min_significant"]
q = settings["setting1"]["settings"]["q"]
ls = create_instance(settings["setting1"])
ls.size_in = ls.size_out = m
ls.out = interface.copy()
ls.initialize()
ls.initialize_solution_step()
r = interface.copy()
xt = interface.copy()
r1 = np.array([1, 2, 3, 4, 5])
xt1 = np.array([5, 4, 3, 2, 1])
r2 = np.array([8, 5, 5, 5, 8])
xt2 = np.array([1, 4, 8, 5, 5])
r3 = np.array([7, 5, 6, 4, 3])
r4 = np.array([1, 1, 7, 4, 0])
xt4 = np.array([9, 7, 5, 8, 4])
r5 = np.array([9, 5, 10, 6, 4])
xt5 = np.array([5, 1, 2, 3, 9])
r6 = np.array([7, 8, 1, 2, 3])
xt6 = np.array([7, 5, 5, 1, 2])
r7 = np.array([1, 2, 5, 1, 2])
xt7 = np.array([4, 2, 1, 1, 2])
r8 = np.array([6, 3, 9, 0, 3])
xt8 = np.array([3, 1, 2, 3, 9])
r9 = np.array([1, 3, 5, 0, 8])
xt9 = np.array([8, 1, 5, 3, 9])
r10 = np.array([1, 3, -5, 8, 8])
xt10 = np.array([8, -9, 5, 3, -9])
r11 = r1
xt11 = xt1
r12 = r2
xt12 = xt2
r13 = r10 * 0.95
xt13 = xt10
is_ready = ls.is_ready()
self.assertFalse(is_ready)
r.set_interface_data(r1)
xt.set_interface_data(xt1)
ls.add(r, xt)
self.assertTrue(ls.added)
np.testing.assert_array_equal(r1[:, np.newaxis], ls.rref)
np.testing.assert_array_equal(xt1[:, np.newaxis], ls.xtref)
is_ready = ls.is_ready()
self.assertFalse(is_ready)
r.set_interface_data(r2)
xt.set_interface_data(xt2)
ls.add(r, xt)
self.assertTrue(ls.added)
np.testing.assert_array_equal(r2[:, np.newaxis], ls.rref)
np.testing.assert_array_equal(xt2[:, np.newaxis], ls.xtref)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 1))
np.testing.assert_array_equal(v[:, 0], r2 - r1)
self.assertEqual(w.shape, (m, 1))
np.testing.assert_array_equal(w[:, 0], xt2 - xt1)
is_ready = ls.is_ready()
self.assertTrue(is_ready)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
4.94444444444445, 0, -6.18055555555556, -3.70833333333333,
-4.944444444444452
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
r.set_interface_data(r4)
xt.set_interface_data(xt4)
ls.add(r, xt)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 2))
np.testing.assert_array_equal(v[:, 0], r4 - r2)
self.assertEqual(w.shape, (m, 2))
np.testing.assert_array_equal(w[:, 0], xt4 - xt2)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
3.55677154582763, -1.20861833105335, -7.26607387140903,
-6.29343365253078, -6.37688098495212
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
r.set_interface_data(r5)
xt.set_interface_data(xt5)
ls.add(r, xt)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 2))
np.testing.assert_array_equal(v[:, 0], r5 - r4)
self.assertEqual(w.shape, (m, 2))
np.testing.assert_array_equal(w[:, 0], xt5 - xt4)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
2.17629179331307, 7.43617021276596, 5.80395136778116,
5.96504559270517, -6.89209726443769
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 2))
np.testing.assert_array_equal(v.T.flatten(),
np.hstack((r5 - r4, r4 - r2)))
self.assertEqual(w.shape, (m, 2))
np.testing.assert_array_equal(w.T.flatten(),
np.hstack((xt5 - xt4, xt4 - xt2)))
r.set_interface_data(r6)
xt.set_interface_data(xt6)
ls.add(r, xt)
r.set_interface_data(r7)
xt.set_interface_data(xt7)
ls.add(r, xt)
r.set_interface_data(r8)
xt.set_interface_data(xt8)
ls.add(r, xt)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
7.67847593582868, 21.1203208556145, 21.6136363636358,
23.3649732620315, -1.94652406417126
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 5))
np.testing.assert_array_equal(
v.T.flatten(),
np.hstack((r8 - r7, r7 - r6, r6 - r5, r5 - r4, r4 - r2)))
self.assertEqual(w.shape, (m, 5))
np.testing.assert_array_equal(
w.T.flatten(),
np.hstack((xt8 - xt7, xt7 - xt6, xt6 - xt5, xt5 - xt4, xt4 - xt2)))
r.set_interface_data(r9)
xt.set_interface_data(xt9)
ls.add(r, xt)
r.set_interface_data(r10)
xt.set_interface_data(xt10)
ls.add(r, xt)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 5))
np.testing.assert_array_equal(
v.T.flatten(),
np.hstack((r10 - r9, r9 - r8, r8 - r7, r7 - r6, r6 - r5)))
self.assertEqual(w.shape, (m, 5))
np.testing.assert_array_equal(
w.T.flatten(),
np.hstack(
(xt10 - xt9, xt9 - xt8, xt8 - xt7, xt7 - xt6, xt6 - xt5)))
r.set_interface_data(r13)
xt.set_interface_data(xt13)
ls.add(r, xt)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 5))
np.testing.assert_array_equal(
v.T.flatten(),
np.hstack((r10 - r9, r9 - r8, r8 - r7, r7 - r6, r6 - r5)))
self.assertEqual(w.shape, (m, 5))
np.testing.assert_array_equal(
w.T.flatten(),
np.hstack(
(xt10 - xt9, xt9 - xt8, xt8 - xt7, xt7 - xt6, xt6 - xt5)))
v1 = ls.vcurr
w1 = ls.wcurr
# new solution step
ls.finalize_solution_step()
np.testing.assert_array_equal(ls.vprev[0].flatten(), v1.flatten())
np.testing.assert_array_equal(ls.wprev[0].flatten(), w1.flatten())
ls.initialize_solution_step()
self.assertIsNone(ls.rref)
self.assertFalse(ls.added)
self.assertEqual(ls.vcurr.shape, (m, 0))
self.assertEqual(ls.wcurr.shape, (m, 0))
is_ready = ls.is_ready()
self.assertTrue(is_ready)
r.set_interface_data(r11)
xt.set_interface_data(xt11)
ls.add(r, xt)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
self.assertTrue(ls.added)
self.assertEqual(ls.vcurr.shape, (m, 0))
self.assertEqual(ls.wcurr.shape, (m, 0))
r.set_interface_data(r12)
xt.set_interface_data(xt12)
ls.add(r, xt)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
-8.52029914529913, -3.96866096866096, -0.505163817663819,
-0.426103988603991, -14.1239316239316
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 5))
np.testing.assert_array_equal(
v.T.flatten(),
np.hstack((r12 - r11, r10 - r9, r9 - r8, r7 - r6, r6 - r5)))
self.assertEqual(w.shape, (m, 5))
np.testing.assert_array_equal(
w.T.flatten(),
np.hstack(
(xt12 - xt11, xt10 - xt9, xt9 - xt8, xt7 - xt6, xt6 - xt5)))
v2 = ls.vcurr
w2 = ls.wcurr
# new solution step
ls.finalize_solution_step()
np.testing.assert_array_equal(
np.hstack(ls.vprev).flatten(),
np.hstack([v2, v1[:, :2], v1[:, 3:]]).flatten())
np.testing.assert_array_equal(
np.hstack(ls.wprev).flatten(),
np.hstack([w2, w1[:, :2], w1[:, 3:]]).flatten())
ls.initialize_solution_step()
# new solution step
ls.finalize_solution_step()
np.testing.assert_array_equal(
np.hstack(ls.vprev).flatten(),
np.hstack([np.empty((m, 0)), v2]).flatten())
np.testing.assert_array_equal(
np.hstack(ls.wprev).flatten(),
np.hstack([np.empty((m, 0)), w2]).flatten())
self.assertEqual(len(ls.vprev), q)
self.assertEqual(len(ls.wprev), q)
ls.initialize_solution_step()
# without reuse
min_significant = settings["setting2"]["settings"]["min_significant"]
q = settings["setting2"]["settings"]["q"]
ls = create_instance(settings["setting2"])
ls.size_in = ls.size_out = m
ls.out = interface.copy()
ls.initialize()
ls.initialize_solution_step()
r.set_interface_data(r1)
xt.set_interface_data(xt1)
ls.add(r, xt)
r.set_interface_data(r2)
xt.set_interface_data(xt2)
ls.add(r, xt)
r.set_interface_data(r4)
xt.set_interface_data(xt4)
ls.add(r, xt)
r.set_interface_data(r5)
xt.set_interface_data(xt5)
ls.add(r, xt)
r.set_interface_data(r6)
xt.set_interface_data(xt6)
ls.add(r, xt)
r.set_interface_data(r7)
xt.set_interface_data(xt7)
ls.add(r, xt)
r.set_interface_data(r8)
xt.set_interface_data(xt8)
ls.add(r, xt)
r.set_interface_data(r9)
xt.set_interface_data(xt9)
ls.add(r, xt)
r.set_interface_data(r10)
xt.set_interface_data(xt10)
ls.add(r, xt)
r.set_interface_data(r3)
dxt = ls.predict(-1 * r)
dxt_sol = [
-4.19875900720576, -5.62710168134507, -2.21637309847878,
-0.788630904723781, -11.8953162530024
]
np.testing.assert_allclose(dxt.get_interface_data(), dxt_sol)
v = np.hstack((ls.vcurr, np.hstack(ls.vprev)))
w = np.hstack((ls.wcurr, np.hstack(ls.wprev)))
self.assertEqual(v.shape, (m, 5))
np.testing.assert_array_equal(
v.T.flatten(),
np.hstack((r10 - r9, r9 - r8, r8 - r7, r7 - r6, r6 - r5)))
self.assertEqual(w.shape, (m, 5))
np.testing.assert_array_equal(
w.T.flatten(),
np.hstack(
(xt10 - xt9, xt9 - xt8, xt8 - xt7, xt7 - xt6, xt6 - xt5)))
# new solution step
ls.finalize_solution_step()
np.testing.assert_array_equal(
np.hstack(ls.vprev).flatten(),
np.hstack((np.empty((m, 0)))).flatten())
np.testing.assert_array_equal(
np.hstack(ls.wprev).flatten(),
np.hstack((np.empty((m, 0)))).flatten())
ls.initialize_solution_step()
self.assertIsNone(ls.rref)
self.assertFalse(ls.added)
self.assertEqual(ls.vcurr.shape, (m, 0))
self.assertEqual(ls.wcurr.shape, (m, 0))
is_ready = ls.is_ready()
self.assertFalse(is_ready)
r.set_interface_data(r11)
xt.set_interface_data(xt11)
ls.add(r, xt)
is_ready = ls.is_ready()
self.assertFalse(is_ready)
r.set_interface_data(r12)
xt.set_interface_data(xt12)
ls.add(r, xt)
is_ready = ls.is_ready()
self.assertTrue(is_ready)
class TestInterface(unittest.TestCase):
def setUp(self):
self.model_part_size = model_part_size = 3
self.parameters = {
'interface_a': [{
'model_part': 'mp1',
'variables': ['pressure', 'traction']
}, {
'model_part': 'mp2',
'variables': ['density']
}],
'interface_b': [{
'model_part': 'mp1',
'variables': ['pressure', 'displacement']
}, {
'model_part': 'mp2',
'variables': ['density']
}],
'interface_c': [{
'model_part': 'mp1',
'variables': ['pressure', 'traction']
}, {
'model_part': 'mp3',
'variables': ['density']
}],
'interface_d': [{
'model_part': 'mp2',
'variables': ['density']
}, {
'model_part': 'mp1',
'variables': ['pressure', 'displacement']
}],
}
self.model = Model()
self.x0 = x0 = np.random.rand(3 * model_part_size)
self.y0 = y0 = np.random.rand(3 * model_part_size)
self.z0 = z0 = np.random.rand(3 * model_part_size)
self.ids = ids = np.arange(0, model_part_size)
np.random.shuffle(ids)
self.model.create_model_part('mp1', x0[0:model_part_size],
y0[0:model_part_size],
z0[0:model_part_size], ids)
self.model.create_model_part('mp2',
x0[model_part_size:2 * model_part_size],
y0[model_part_size:2 * model_part_size],
z0[model_part_size:2 * model_part_size],
ids)
self.model.create_model_part(
'mp3', x0[2 * model_part_size:3 * model_part_size],
y0[2 * model_part_size:3 * model_part_size],
z0[2 * model_part_size:3 * model_part_size], ids)
self.interface = Interface(self.parameters['interface_a'], self.model)
self.scalar_size = 1
self.vector_size = 3
self.pressure = np.random.rand(model_part_size, self.scalar_size)
self.traction = np.random.rand(model_part_size, self.vector_size)
self.temperature = np.random.rand(model_part_size, self.scalar_size)
self.density = np.random.rand(model_part_size, self.scalar_size)
self.interface_data = np.random.rand(model_part_size * 5)
def test_instantiation(self):
parameters = {'mp1': ['pressure']}
self.assertRaises(TypeError, Interface, parameters, self.model)
parameters = [{'model_part': 'mp1', 'variables': ['pressure']}, 2]
self.assertRaises(TypeError, Interface, parameters, self.model)
parameters = [{'model_part': 'mp1'}]
self.assertRaises(KeyError, Interface, parameters, self.model)
parameters = [{
'model_part': 'mp1',
'variables': ['pressure'],
'extra': 2
}]
self.assertRaises(KeyError, Interface, parameters, self.model)
parameters = [{'model_part': 'mp1', 'variables': 'pressure'}]
self.assertRaises(TypeError, Interface, parameters, self.model)
self.assertEqual(self.interface.parameters,
self.parameters['interface_a'])
def test_properties(self):
# check model_part_variable_pairs() method
pairs_a = self.interface.model_part_variable_pairs
pairs_b = self.interface.model_part_variable_pairs
self.assertFalse(pairs_a is pairs_b)
self.assertEqual(str(pairs_a), str(pairs_b))
# check parameters() method
parameters_bis = self.interface.parameters
self.assertFalse(parameters_bis is self.parameters['interface_a'])
self.assertEqual(str(parameters_bis),
str(self.parameters['interface_a']))
# check model() method
model_bis = self.interface.model
self.assertTrue(model_bis is self.model)
def test_model_part_variable_pairs(self):
ref_result = [('mp1', 'pressure'), ('mp1', 'traction'),
('mp2', 'density')]
self.assertListEqual(ref_result,
self.interface.model_part_variable_pairs)
def test_size(self):
self.assertEqual(self.interface.size, 5 * self.model_part_size)
def test_attribute_change(self):
with self.assertRaises(AttributeError):
self.interface.model_part_variable_pairs = ()
with self.assertRaises(AttributeError):
parameters = {'mp1': ['pressure']}
self.interface.parameters = parameters
with self.assertRaises(AttributeError):
self.interface.size = 0
def test_copy(self):
self.interface.set_interface_data(self.interface_data)
interface_copy = self.interface.copy()
self.assertIsNot(self.interface, interface_copy)
# interface_copy has the same values
self.assertEqual(self.interface.model_part_variable_pairs,
interface_copy.model_part_variable_pairs)
np.testing.assert_array_equal(self.interface.get_interface_data(),
interface_copy.get_interface_data())
# interface_copy not affected by change in self.interface
interface_data = self.interface.get_interface_data()
self.interface.set_interface_data(interface_data * 2)
np.testing.assert_array_equal(interface_copy.get_interface_data(),
interface_data)
def test_get_variable_data(self):
self.assertRaises(KeyError, self.interface.get_variable_data, 'mp2',
'pressure')
model_part_variable_pair = ('mp1', 'pressure')
variable_data = self.pressure
# returns copy
self.interface.set_variable_data(*model_part_variable_pair,
variable_data)
variable_data = self.interface.get_variable_data(
*model_part_variable_pair)
variable_data *= 2
np.testing.assert_array_equal(
self.interface.get_variable_data(*model_part_variable_pair),
variable_data / 2)
def test_set_variable_data(self):
self.interface.set_variable_data('mp1', 'pressure', self.pressure)
self.interface.set_variable_data('mp1', 'traction', self.traction)
self.interface.set_variable_data('mp2', 'density', self.density)
np.testing.assert_array_equal(
self.interface._Interface__data['mp1']['pressure'], self.pressure)
np.testing.assert_array_equal(
self.interface._Interface__data['mp1']['traction'], self.traction)
np.testing.assert_array_equal(
self.interface._Interface__data['mp2']['density'], self.density)
# input is array with correct shape
self.assertRaises(ValueError, self.interface.set_variable_data, 'mp1',
'pressure', self.traction)
self.assertRaises(ValueError, self.interface.set_variable_data, 'mp1',
'pressure', self.pressure.flatten())
self.assertRaises(ValueError, self.interface.set_variable_data, 'mp1',
'pressure', list(self.pressure))
# copy is made of input
self.interface.set_variable_data('mp1', 'pressure', self.pressure)
self.pressure *= 2
np.testing.assert_array_equal(
self.interface._Interface__data['mp1']['pressure'],
self.pressure / 2)
def test_get_interface_data(self):
# output has correct size
self.assertEqual(self.interface.get_interface_data().size,
self.interface.size)
# correct output from variable data
self.interface.set_variable_data('mp1', 'pressure', self.pressure)
self.interface.set_variable_data('mp1', 'traction', self.traction)
self.interface.set_variable_data('mp2', 'density', self.density)
interface_data = np.concatenate(
(self.pressure.flatten(), self.traction.flatten(),
self.density.flatten()))
np.testing.assert_equal(self.interface.get_interface_data(),
interface_data)
# correct output from interface data
self.interface.set_interface_data(self.interface_data)
np.testing.assert_equal(self.interface.get_interface_data(),
self.interface_data)
# returns copy
self.interface.get_interface_data() * 2
np.testing.assert_equal(self.interface.get_interface_data(),
self.interface_data)
def test_set_interface_data(self):
self.interface.set_interface_data(self.interface_data)
np.testing.assert_array_equal(
self.interface._Interface__data['mp1']['pressure'].flatten(),
self.interface_data[:self.scalar_size * self.model_part_size])
np.testing.assert_array_equal(
self.interface._Interface__data['mp1']['traction'].flatten(),
self.interface_data[self.scalar_size *
self.model_part_size:(self.scalar_size +
self.vector_size) *
self.model_part_size])
np.testing.assert_array_equal(
self.interface._Interface__data['mp2']['density'].flatten(),
self.interface_data[(self.scalar_size + self.vector_size) *
self.model_part_size:])
# input is array with correct shape
self.assertRaises(ValueError, self.interface.set_interface_data,
self.pressure)
self.assertRaises(ValueError, self.interface.set_interface_data,
self.interface_data.reshape(-1, 1))
self.assertRaises(ValueError, self.interface.set_interface_data,
list(self.interface_data))
# copy is made of input
self.interface.set_interface_data(self.interface_data)
self.interface_data *= 2
np.testing.assert_array_equal(self.interface.get_interface_data(),
self.interface_data / 2)
def test_norm(self):
self.interface.set_interface_data(self.interface_data)
norm = np.linalg.norm(self.interface_data)
self.assertEqual(self.interface.norm(), norm)
def test_has_same_modelparts(self):
self.interface.set_interface_data(self.interface_data)
interface_a = self.interface.copy()
interface_a.set_interface_data(np.random.rand(self.model_part_size *
5))
self.assertTrue(self.interface.has_same_model_parts(interface_a))
interface_b = Interface(self.parameters['interface_b'], self.model)
interface_b.set_interface_data(self.interface_data)
self.assertTrue(self.interface.has_same_model_parts(interface_b))
interface_c = Interface(self.parameters['interface_c'], self.model)
interface_c.set_interface_data(self.interface_data)
self.assertFalse(self.interface.has_same_model_parts(interface_c))
interface_d = Interface(self.parameters['interface_d'], self.model)
interface_d.set_interface_data(self.interface_data)
self.assertFalse(self.interface.has_same_model_parts(interface_d))
def create_test_interfaces(self):
interface_data1 = np.random.rand(self.interface.size)
interface_data2 = np.random.rand(self.interface.size)
interface1 = self.interface.copy()
interface1.set_interface_data(interface_data1)
interface2 = self.interface.copy()
interface2.set_interface_data(interface_data2)
return interface_data1, interface_data2, interface1, interface2
def test_eq(self):
self.interface.set_interface_data(self.interface_data)
model_part_size = self.model_part_size
x0 = self.x0
y0 = self.y0
z0 = self.z0
ids = self.ids
model2 = Model()
model2.create_model_part('mp1', x0[0:model_part_size],
y0[0:model_part_size], z0[0:model_part_size],
ids)
model2.create_model_part('mp2',
x0[model_part_size:2 * model_part_size],
y0[model_part_size:2 * model_part_size],
z0[model_part_size:2 * model_part_size], ids)
interface2 = Interface(self.parameters['interface_a'], model2)
interface2.set_interface_data(self.interface_data)
self.assertIsNot(self.interface, interface2)
self.assertEqual(self.interface, interface2)
interface3 = Interface(self.parameters['interface_b'], model2)
interface3.set_interface_data(self.interface_data)
self.assertNotEqual(self.interface, interface3)
interface4 = interface2.copy()
interface_data4 = self.interface_data.copy()
interface_data4[np.random.randint(interface4.size)] = np.random.rand()
interface4.set_interface_data(interface_data4)
self.assertNotEqual(self.interface, interface4)
def test_add(self):
interface_data1, interface_data2, interface1, interface2 = self.create_test_interfaces(
)
interface_sum = interface1 + interface2
self.interface.set_interface_data(interface_data1 + interface_data2)
self.assertEqual(interface_sum, self.interface)
interface3 = interface1.copy()
interface3 += interface2
self.assertEqual(interface3, self.interface)
for number in (np.random.rand(1), float(np.random.rand(1)),
int(10 * np.random.rand(1))):
interface_sum = interface1 + number
self.interface.set_interface_data(interface_data1 + number)
self.assertEqual(interface_sum, self.interface)
interface_sum = number + interface1
self.assertEqual(interface_sum, self.interface)
interface3 = interface1.copy()
interface3 += number
self.assertEqual(interface3, self.interface)
for other in ('a', True):
with self.assertRaises(TypeError):
_ = interface1 + other
with self.assertRaises(TypeError):
_ = other + interface1
with self.assertRaises(TypeError):
interface1 += other
def test_sub(self):
interface_data1, interface_data2, interface1, interface2 = self.create_test_interfaces(
)
interface_sum = interface1 - interface2
self.interface.set_interface_data(interface_data1 - interface_data2)
self.assertEqual(interface_sum, self.interface)
interface3 = interface1.copy()
interface3 -= interface2
self.assertEqual(interface3, self.interface)
for number in (np.random.rand(1), float(np.random.rand(1)),
int(10 * np.random.rand(1))):
interface_sum = interface1 - number
self.interface.set_interface_data(interface_data1 - number)
self.assertEqual(interface_sum, self.interface)
interface_sum = number - interface1
self.assertEqual(interface_sum, self.interface)
interface3 = interface1.copy()
interface3 -= number
self.assertEqual(interface3, self.interface)
for other in ('a', True):
with self.assertRaises(TypeError):
_ = interface1 - other
with self.assertRaises(TypeError):
_ = other - interface1
with self.assertRaises(TypeError):
interface1 -= other
def test_mul(self):
interface_data1, interface_data2, interface1, interface2 = self.create_test_interfaces(
)
for number in (np.random.rand(1), float(np.random.rand(1)),
int(10 * np.random.rand(1))):
interface_sum = interface1 * number
self.interface.set_interface_data(interface_data1 * number)
self.assertEqual(interface_sum, self.interface)
interface_sum = number * interface1
self.assertEqual(interface_sum, self.interface)
interface3 = interface1.copy()
interface3 *= number
self.assertEqual(interface3, self.interface)
for other in ('a', True, interface2):
with self.assertRaises(TypeError):
_ = interface1 * other
with self.assertRaises(TypeError):
_ = other * interface1
with self.assertRaises(TypeError):
interface1 *= other
def test_truediv(self):
interface_data1, interface_data2, interface1, interface2 = self.create_test_interfaces(
)
for number in (1 - np.random.rand(1), float(1 - np.random.rand(1)),
int(10 * (1 - np.random.rand(1)))):
interface_sum = interface1 / number
self.interface.set_interface_data(interface_data1 / number)
self.assertEqual(interface_sum, self.interface)
with self.assertRaises(TypeError):
_ = number / interface1
interface3 = interface1.copy()
interface3 /= number
self.assertEqual(interface3, self.interface)
for other in ('a', True, interface2):
with self.assertRaises(TypeError):
_ = interface1 / other
with self.assertRaises(TypeError):
_ = other / interface1
with self.assertRaises(TypeError):
interface1 /= other
class SolverWrapperOpenFOAM41(Component):
@tools.time_initialize
def __init__(self, parameters):
super().__init__()
# settings
self.settings = parameters['settings']
self.working_directory = self.settings['working_directory']
self.env = get_solver_env(__name__, self.working_directory)
# adapted application from openfoam ('coconut_<application name>')
self.application = self.settings['application']
self.delta_t = self.settings['delta_t']
self.time_precision = self.settings['time_precision']
self.start_time = self.settings['timestep_start'] * self.delta_t
self.timestep = self.physical_time = self.iteration = self.prev_timestamp = self.cur_timestamp = None
self.openfoam_process = None
self.write_interval = self.write_precision = None
# boundary_names is the set of boundaries in OpenFoam used for coupling
self.boundary_names = self.settings['boundary_names']
self.version = '4.1'
# set on True to save copy of input and output files in every iteration
self.debug = False
# check interface names in 'interface_input' and 'interface_output' with boundary names provided in
# boundary_names
self.check_interfaces()
# check that the correct modules have been loaded
self.check_software()
# remove possible CoCoNuT-message from previous interrupt
self.remove_all_messages()
# obtain number of cores from self.working_directory/system/decomposeParDict
self.cores = 1
if self.settings['parallel']:
file_name = os.path.join(self.working_directory,
'system/decomposeParDict')
if not os.path.isfile(file_name):
raise RuntimeError(
f'In the parameters:\n{self.settings}\n key "parallel" is set to {True} but {file_name} '
f'does not exist')
else:
with open(file_name, 'r') as file:
decomposedict_string = file.read()
self.cores = of_io.get_int(input_string=decomposedict_string,
keyword='numberOfSubdomains')
# modify controlDict file to add pressure and wall shear stress functionObjects for all the boundaries in
# self.settings["boundary_names"]
self.read_modify_controldict()
# creating Model
self.model = data_structure.Model()
# writeCellcentres writes cellcentres in internal field and face centres in boundaryField
check_call(f'writeCellCentres -time 0 &> log.writeCellCentres;',
cwd=self.working_directory,
shell=True,
env=self.env)
boundary_filename = os.path.join(self.working_directory,
'constant/polyMesh/boundary')
for boundary in self.boundary_names:
with open(boundary_filename, 'r') as boundary_file:
boundary_file_string = boundary_file.read()
boundary_dict = of_io.get_dict(input_string=boundary_file_string,
keyword=boundary)
# get point ids and coordinates for all the faces in the boundary
node_ids, node_coords = of_io.get_boundary_points(
case_directory=self.working_directory,
time_folder='0',
boundary_name=boundary)
nfaces = of_io.get_int(input_string=boundary_dict,
keyword='nFaces')
start_face = of_io.get_int(input_string=boundary_dict,
keyword='startFace')
# create input model part
self.model.create_model_part(f'{boundary}_input',
node_coords[:, 0], node_coords[:, 1],
node_coords[:, 2], node_ids)
filename_x = os.path.join(self.working_directory, '0/ccx')
filename_y = os.path.join(self.working_directory, '0/ccy')
filename_z = os.path.join(self.working_directory, '0/ccz')
x0 = of_io.get_boundary_field(file_name=filename_x,
boundary_name=boundary,
size=nfaces,
is_scalar=True)
y0 = of_io.get_boundary_field(file_name=filename_y,
boundary_name=boundary,
size=nfaces,
is_scalar=True)
z0 = of_io.get_boundary_field(file_name=filename_z,
boundary_name=boundary,
size=nfaces,
is_scalar=True)
ids = np.arange(0, nfaces)
# create output model part
mp_output = self.model.create_model_part(f'{boundary}_output', x0,
y0, z0, ids)
mp_output.start_face = start_face
mp_output.nfaces = nfaces
# create interfaces
self.interface_input = Interface(self.settings['interface_input'],
self.model)
self.interface_output = Interface(self.settings['interface_output'],
self.model)
# time
self.init_time = self.init_time
self.run_time = 0.0
# compile openfoam adapted solver
solver_dir = os.path.join(os.path.dirname(__file__), self.application)
try:
check_call(f'wmake {solver_dir} &> log.wmake',
cwd=self.working_directory,
shell=True,
env=self.env)
except subprocess.CalledProcessError:
raise RuntimeError(
f'Compilation of {self.application} failed. Check {os.path.join(self.working_directory, "log.wmake")}'
)
self.residual_variables = self.settings.get('residual_variables', None)
self.res_filepath = os.path.join(self.working_directory,
'residuals.csv')
if self.residual_variables is not None:
self.write_residuals_fileheader()
@tools.time_initialize
def initialize(self):
super().initialize()
# define timestep and physical time
self.timestep = 0
self.physical_time = self.start_time
# copy zero folder to folder with correctly named timeformat
if self.start_time == 0:
timestamp = '{:.{}f}'.format(self.physical_time,
self.time_precision)
path_orig = os.path.join(self.working_directory, '0')
path_new = os.path.join(self.working_directory, timestamp)
shutil.rmtree(path_new, ignore_errors=True)
shutil.copytree(path_orig, path_new)
# if parallel do a decomposition and establish a remapping for the output based on the faceProcAddressing
"""Note concerning the sequence: The file ./processorX/constant/polyMesh/pointprocAddressing contains a list of
indices referring to the original index in the ./constant/polyMesh/points file, these indices go from 0 to
nPoints -1
However, mesh faces can be shared between processors and it has to be tracked whether these are inverted or not
This inversion is indicated by negative indices
However, as minus 0 is not a thing, the indices are first incremented by 1 before inversion
Therefore to get the correct index one should use |index|-1!!
Normally no doubles should be encountered on an interface as these faces are not shared by processors
"""
if self.settings['parallel']:
if self.start_time == 0:
check_call(
f'decomposePar -force -time {self.start_time} &> log.decomposePar',
cwd=self.working_directory,
shell=True,
env=self.env)
for boundary in self.boundary_names:
mp_output = self.model.get_model_part(f'{boundary}_output')
mp_output.sequence = []
for p in range(self.cores):
path = os.path.join(
self.working_directory,
f'processor{p}/constant/polyMesh/faceProcAddressing')
with open(path, 'r') as f:
face_proc_add_string = f.read()
face_proc_add = np.abs(
of_io.get_scalar_array(
input_string=face_proc_add_string, is_int=True))
face_proc_add -= 1
mp_output.sequence += (
face_proc_add[(face_proc_add >= mp_output.start_face)
& (face_proc_add < mp_output.start_face +
mp_output.nfaces)] -
mp_output.start_face).tolist()
np.savetxt(os.path.join(self.working_directory,
f'sequence_{boundary}.txt'),
np.array(mp_output.sequence),
fmt='%i')
if len(mp_output.sequence) != mp_output.nfaces:
print(f'sequence: {len(mp_output.sequence)}')
print(f'nNodes: {mp_output.size}')
raise ValueError(
'Number of face indices in sequence does not correspond to number of faces'
)
# starting the OpenFOAM infinite loop for coupling!
if not self.settings['parallel']:
cmd = self.application + '&> log.' + self.application
else:
cmd = 'mpirun -np ' + str(
self.cores
) + ' ' + self.application + ' -parallel &> log.' + self.application
self.openfoam_process = subprocess.Popen(cmd,
cwd=self.working_directory,
shell=True,
env=self.env)
def initialize_solution_step(self):
super().initialize_solution_step()
# for parallel: create a folder with the correct time stamp for decomposition of pointDisplacement_Next
# for serial: folder will normally be present, except for time 0: make a folder 0.0000 with specified precision
timestamp = '{:.{}f}'.format(self.physical_time, self.time_precision)
path = os.path.join(self.working_directory, timestamp)
if self.cores > 1 or self.physical_time == 0:
os.makedirs(path, exist_ok=True)
# prepare new time step folder and reset the number of iterations
self.timestep += 1
self.iteration = 0
self.physical_time += self.delta_t
self.prev_timestamp = timestamp
self.cur_timestamp = f'{self.physical_time:.{self.time_precision}f}'
if not self.settings['parallel']: # if serial
new_path = os.path.join(self.working_directory, self.cur_timestamp)
if os.path.isdir(new_path):
tools.print_info(
f'Overwrite existing time step folder: {new_path}',
layout='warning')
check_call(f'rm -rf {new_path}', shell=True)
check_call(f'mkdir -p {new_path}', shell=True)
else:
for i in np.arange(self.cores):
new_path = os.path.join(self.working_directory,
'processor' + str(i),
self.cur_timestamp)
if os.path.isdir(new_path):
if i == 0:
tools.print_info(
f'Overwrite existing time step folder: {new_path}',
layout='warning')
check_call(f'rm -rf {new_path}', shell=True)
check_call(f'mkdir -p {new_path}', shell=True)
self.send_message('next')
self.wait_message('next_ready')
@tools.time_solve_solution_step
def solve_solution_step(self, interface_input):
self.iteration += 1
# store incoming displacements
self.interface_input.set_interface_data(
interface_input.get_interface_data())
# write interface data to OpenFOAM-file
self.write_node_input()
# copy output data for debugging
if self.debug:
if self.cores > 1:
for i in range(0, self.cores):
path_from = os.path.join(self.working_directory,
'processor' + str(i),
self.prev_timestamp,
'pointDisplacement_Next')
path_to = os.path.join(
self.working_directory, 'processor' + str(i),
self.prev_timestamp,
'pointDisplacement_Next_Iter' + str(self.iteration))
shutil.copy(path_from, path_to)
else:
path_from = os.path.join(self.working_directory,
self.prev_timestamp,
'pointDisplacement_Next')
path_to = os.path.join(
self.working_directory, self.prev_timestamp,
'pointDisplacement_Next_Iter' + str(self.iteration))
shutil.copy(path_from, path_to)
self.delete_prev_iter_output()
self.send_message('continue')
self.wait_message('continue_ready')
# copy output data for debugging
if self.debug:
for boundary in self.boundary_names:
# specify location of pressure and traction
traction_name = 'TRACTION_' + boundary
pressure_name = 'PRESSURE_' + boundary
wss_filepath = os.path.join(
self.working_directory, 'postProcessing', traction_name,
'surface', self.cur_timestamp,
f'wallShearStress_patch_{boundary}.raw')
pres_filepath = os.path.join(self.working_directory,
'postProcessing', pressure_name,
'surface', self.cur_timestamp,
f'p_patch_{boundary}.raw')
wss_iter_filepath = os.path.join(
self.working_directory, 'postProcessing', traction_name,
'surface', self.cur_timestamp,
f'wallShearStress_patch_{boundary}_{self.iteration}.raw')
pres_iter_filepath = os.path.join(
self.working_directory, 'postProcessing', pressure_name,
'surface', self.cur_timestamp,
f'p_patch_{boundary}_{self.iteration}.raw')
shutil.copy(wss_filepath, wss_iter_filepath)
shutil.copy(pres_filepath, pres_iter_filepath)
# read data from OpenFOAM
self.read_node_output()
# return interface_output object
return self.interface_output
def finalize_solution_step(self):
super().finalize_solution_step()
prev_timestep = self.timestep - 1
# remove the folder that was used for pointDisplacement_Next if not in writeInterval
if self.settings['parallel']:
dir_pointdisp_next = os.path.join(self.working_directory,
self.prev_timestamp)
shutil.rmtree(dir_pointdisp_next)
if prev_timestep % self.write_interval:
for p in range(self.cores):
prev_timestep_dir = os.path.join(
self.working_directory,
f'processor{p}/{self.prev_timestamp}')
shutil.rmtree(prev_timestep_dir)
else:
if prev_timestep % self.write_interval:
dir_pointdisp_next = os.path.join(self.working_directory,
self.prev_timestamp)
shutil.rmtree(dir_pointdisp_next)
if not (self.timestep % self.write_interval):
self.send_message('save')
self.wait_message('save_ready')
if self.residual_variables is not None:
self.write_of_residuals()
def finalize(self):
super().finalize()
self.send_message('stop')
self.wait_message('stop_ready')
self.openfoam_process.wait()
def get_interface_input(self):
return self.interface_input
def get_interface_output(self):
return self.interface_output
def delete_prev_iter_output(self):
# pressure and wall shear stress files are removed to avoid openfoam to append data in the new iteration
for boundary in self.boundary_names:
# specify location of pressure and traction
traction_name = 'TRACTION_' + boundary
pressure_name = 'PRESSURE_' + boundary
wss_file = os.path.join(
self.working_directory, 'postProcessing', traction_name,
'surface', self.cur_timestamp,
'wallShearStress_patch_' + boundary + '.raw')
pres_file = os.path.join(self.working_directory, 'postProcessing',
pressure_name, 'surface',
self.cur_timestamp,
'p_patch_' + boundary + '.raw')
if os.path.isfile(wss_file):
os.remove(wss_file)
if os.path.isfile(pres_file):
os.remove(pres_file)
def read_node_output(self):
"""
reads the pressure and wall shear stress from the <case directory>/postProcessing for serial and parallel. In
case of parallel, it uses mp.sequence (using faceProcAddressing) to map the values to the face centres.
:return:
"""
# default value is 1.0 for compressible case
# when the solver is incompressible, the pressure and shear stress are kinematic; therefore multiply with
# the fluid density
density = 1.0
if self.settings['is_incompressible']:
density = self.settings['density']
for boundary in self.boundary_names:
# specify location of pressure and traction
traction_name = 'TRACTION_' + boundary
pressure_name = 'PRESSURE_' + boundary
mp_name = f'{boundary}_output'
mp = self.model.get_model_part(mp_name)
nfaces = mp.size
wss_filename = os.path.join(
self.working_directory, 'postProcessing', traction_name,
'surface', self.cur_timestamp,
'wallShearStress_patch_' + boundary + '.raw')
pres_filepath = os.path.join(self.working_directory,
'postProcessing', pressure_name,
'surface', self.cur_timestamp,
'p_patch_' + boundary + '.raw')
# check if the pressure and wall shear stress files completed by openfoam and read data
self.check_output_file(wss_filename, nfaces)
wss_tmp = np.loadtxt(wss_filename, comments='#')[:, 3:]
self.check_output_file(pres_filepath, nfaces)
pres_tmp = np.loadtxt(pres_filepath, comments='#')[:, 3]
if self.settings['parallel']:
pos_list = mp.sequence
else:
pos_list = [pos for pos in range(0, nfaces)]
wall_shear_stress = np.empty_like(wss_tmp)
pressure = np.empty((pres_tmp.size, 1))
wall_shear_stress[pos_list, ] = wss_tmp[:, ]
pressure[pos_list, 0] = pres_tmp
self.interface_output.set_variable_data(
mp_name, 'traction', wall_shear_stress * -1 * density)
self.interface_output.set_variable_data(mp_name, 'pressure',
pressure * density)
# noinspection PyMethodMayBeStatic
def write_footer(self, file_name):
# write OpenFOAM-footer at the end of file
with open(file_name, 'a') as f:
f.write(
'\n// ************************************************************************* //\n'
)
def write_node_input(self):
"""
creates pointDisplacementNext for supplying the displacement field in the FSI coupling. This file is created
from 0/pointDisplacement. The boundary field for boundaries participating in the FSI coupling is modified to
supply the boundary displacement field from structural solver. If the OpenFOAM solver is run in parallel,
the field is subsequently decomposed using the command: decomposePar.
:return:
"""
pointdisp_filename_ref = os.path.join(self.working_directory, '0',
'pointDisplacement')
pointdisp_filename = os.path.join(self.working_directory,
self.prev_timestamp,
'pointDisplacement_Next')
with open(pointdisp_filename_ref, 'r') as ref_file:
pointdisp_string = ref_file.read()
for boundary in self.boundary_names:
mp_name = f'{boundary}_input'
displacement = self.interface_input.get_variable_data(
mp_name, 'displacement')
boundary_dict = of_io.get_dict(input_string=pointdisp_string,
keyword=boundary)
boundary_dict_new = of_io.update_vector_array_dict(
dict_string=boundary_dict, vector_array=displacement)
pointdisp_string = pointdisp_string.replace(
boundary_dict, boundary_dict_new)
with open(pointdisp_filename, 'w') as f:
f.write(pointdisp_string)
if self.settings['parallel']:
check_call(
f'decomposePar -fields -time {self.prev_timestamp} &> log.decomposePar;',
cwd=self.working_directory,
shell=True,
env=self.env)
# noinspection PyMethodMayBeStatic
def check_output_file(self, filename, nfaces):
counter = 0
nlines = 0
lim = 1000
while (nlines < nfaces + 2) and counter < lim:
if os.path.isfile(filename):
with open(filename, 'r') as f:
nlines = sum(1 for _ in f)
time.sleep(0.01)
counter += 1
if counter == lim:
raise RuntimeError(f'Timed out waiting for file: {filename}')
else:
return True
def send_message(self, message):
file = os.path.join(self.working_directory, message + '.coco')
open(file, 'w').close()
return
def wait_message(self, message):
wait_time_lim = 10 * 60 # 10 minutes maximum waiting time for a single flow solver iteration
cumul_time = 0
file = os.path.join(self.working_directory, message + '.coco')
while not os.path.isfile(file):
time.sleep(0.01)
cumul_time += 0.01
if cumul_time > wait_time_lim:
self.openfoam_process.kill()
self.openfoam_process.wait()
raise RuntimeError(
f'CoCoNuT timed out in the OpenFOAM solver_wrapper, waiting for message: '
f'{message}.coco')
os.remove(file)
return
def check_message(self, message):
file = os.path.join(self.working_directory, message + '.coco')
if os.path.isfile(file):
os.remove(file)
return True
return False
def remove_all_messages(self):
for file_name in os.listdir(self.working_directory):
if file_name.endswith('.coco'):
file = os.path.join(self.working_directory, file_name)
os.remove(file)
def check_software(self):
if check_call(self.application + ' -help &> checkSoftware',
shell=True,
env=self.env) != 0:
raise RuntimeError(
f'OpenFOAM not loaded properly. You should perform the following steps:\n'
f'-\tLoad the module for OpenFOAM-{self.version},\n'
f'-\tSource $FOAM_BASH,\n'
f'-\tCompile {self.application}')
# check version
with open('checkSoftware', 'r') as f:
last_line = f.readlines(
)[-2] # second last line contains 'Build: XX' with XX the version number
os.remove('checkSoftware')
version_nr = last_line.split(' ')[-1]
if version_nr[:-1] != self.version:
raise RuntimeError(
f'OpenFOAM-{self.version} should be loaded! Currently, OpenFOAM-{version_nr[:-1]} is loaded'
)
def check_interfaces(self):
"""
checks the dictionaries from 'interface_input' and 'interface_output' in parameters.json file. The model part
name must be the concatenation of an entry from `boundary_names` and the string `_input`, for 'interface_input'
and for 'interface_output' it must be the concatenation of an entry from `boundary_names` and the string
`_output`.
:return:
"""
input_interface_model_parts = [
param['model_part'] for param in self.settings['interface_input']
]
output_interface_model_parts = [
param['model_part'] for param in self.settings['interface_output']
]
boundary_names = self.settings['boundary_names']
for boundary_name in boundary_names:
if f'{boundary_name}_input' not in input_interface_model_parts:
raise RuntimeError(
f'Error in json file: {boundary_name}_input not listed in "interface_input": '
f'{self.settings["interface_input"]}.\n. <boundary> in the "boundary_names" in json file should '
f'have corresponding <boundary>_input in "interface_input" list'
)
if f'{boundary_name}_output' not in output_interface_model_parts:
raise RuntimeError(
f'Error in json file: {boundary_name}_output not listed in "interface_output": '
f'{self.settings["interface_output"]}.\n. <boundary> in the "boundary_names" in json file should '
f'have corresponding <boundary>_output in "interface_output" list'
)
def read_modify_controldict(self):
"""
reads the controlDict file in the case-directory and modifies some entries required by the coconut_pimpleFoam.
The values of these entries are taken from paramters.json file.
:return:
"""
file_name = os.path.join(self.working_directory, 'system/controlDict')
with open(file_name, 'r') as control_dict_file:
control_dict = control_dict_file.read()
self.write_interval = of_io.get_int(input_string=control_dict,
keyword='writeInterval')
time_format = of_io.get_string(input_string=control_dict,
keyword='timeFormat')
self.write_precision = of_io.get_int(input_string=control_dict,
keyword='writePrecision')
if not time_format == 'fixed':
msg = f'timeFormat:{time_format} in controlDict not implemented. Changed to "fixed"'
tools.print_info(msg, layout='warning')
control_dict = re.sub(r'timeFormat' + of_io.delimter + r'\w+',
f'timeFormat fixed', control_dict)
control_dict = re.sub(r'application' + of_io.delimter + r'\w+',
f'application {self.application}',
control_dict)
control_dict = re.sub(
r'startTime' + of_io.delimter + of_io.float_pattern,
f'startTime {self.start_time}', control_dict)
control_dict = re.sub(
r'deltaT' + of_io.delimter + of_io.float_pattern,
f'deltaT {self.delta_t}', control_dict)
control_dict = re.sub(
r'timePrecision' + of_io.delimter + of_io.int_pattern,
f'timePrecision {self.time_precision}', control_dict)
control_dict = re.sub(
r'endTime' + of_io.delimter + of_io.float_pattern,
f'endTime 1e15', control_dict)
# delete previously defined coconut functions
coconut_start_string = '// CoCoNuT function objects'
control_dict = re.sub(coconut_start_string + r'.*',
'',
control_dict,
flags=re.S)
with open(file_name, 'w') as control_dict_file:
control_dict_file.write(control_dict)
control_dict_file.write(coconut_start_string + '\n')
control_dict_file.write('boundary_names (')
for boundary_name in self.boundary_names:
control_dict_file.write(boundary_name + ' ')
control_dict_file.write(');\n\n')
control_dict_file.write('functions\n{\n')
for boundary_name in self.boundary_names:
control_dict_file.write(
f'PRESSURE_{boundary_name}\n'
f'{{\n'
f'type surfaceRegion;\n'
f'libs ("libfieldFunctionObjects.so");\n'
f'executeControl timeStep;\n'
f'executeInterval 1;\n'
f'writeControl timeStep;\n'
f'writeInterval 1;\n'
f'timeFormat fixed;\n'
f'timePrecision {self.time_precision};\n'
f'operation none;\n'
f'writeFields true;\n'
f'surfaceFormat raw;\n'
f'regionType patch;\n'
f'name {boundary_name};\n'
f'fields (p);\n'
f'}}\n')
control_dict_file.write(
f'wallShearStress\n'
f'{{\n'
f'type wallShearStress;\n'
f'libs ("libfieldFunctionObjects.so");\n'
f'executeControl timeStep;\n'
f'executeInterval 1;\n'
f'writeControl timeStep;\n'
f'writeInterval 1;\n'
f'timeFormat fixed;\n'
f'timePrecision {self.time_precision};\n'
f'log false;\n'
f'}}\n')
control_dict_file.write(
f'TRACTION_{boundary_name}\n'
f'{{\n'
f'type surfaceRegion;\n'
f'libs ("libfieldFunctionObjects.so");\n'
f''
f'executeControl timeStep;\n'
f'executeInterval 1;\n'
f'writeControl timeStep;\n'
f'writeInterval 1;\n'
f'timeFormat fixed;\n'
f'timePrecision {self.time_precision};\n'
f'operation none;\n'
f'writeFields true;\n'
f'surfaceFormat raw;\n'
f'regionType patch;\n'
f'name {boundary_name};\n'
f'fields ( wallShearStress);\n'
f'}}\n')
control_dict_file.write('}')
self.write_footer(file_name)
def write_residuals_fileheader(self):
header = ''
sep = ', '
with open(self.res_filepath, 'w') as f:
f.write('# Residuals\n')
for variable in self.residual_variables:
header += variable + sep
f.write(header.strip(sep) + '\n')
def write_of_residuals(self):
"""
it reads the log file generated by coconut_pimpleFoam solver and writes the last initial residual of the fields
in the pimple iterations, for every coupling iteration. The fields should be given in the parameters.json file
with the key-'residual_variables' and values-list(OpenFOAM variables), e.g. 'residual_variables': ['U', 'p']
:return:
"""
log_filepath = os.path.join(self.working_directory,
f'log.{self.application}')
if os.path.isfile(log_filepath):
with open(log_filepath, 'r') as f:
log_string = f.read()
time_start_string = f'Time = {self.prev_timestamp}'
time_end_string = f'Time = {self.cur_timestamp}'
match = re.search(time_start_string + r'(.*)' + time_end_string,
log_string,
flags=re.S)
if match is not None:
time_block = match.group(1)
iteration_block_list = re.findall(
r'Coupling iteration = \d+(.*?)Coupling iteration \d+ end',
time_block,
flags=re.S)
for iteration_block in iteration_block_list:
residual_array = np.empty(len(self.residual_variables))
for i, variable in enumerate(self.residual_variables):
search_string = f'Solving for {variable}, Initial residual = ({of_io.float_pattern})'
var_residual_list = re.findall(search_string,
iteration_block)
if var_residual_list:
# last initial residual of pimple loop
var_residual = float(var_residual_list[-1])
residual_array[i] = var_residual
else:
raise RuntimeError(
f'Variable: {variable} equation is not solved in {self.application}'
)
with open(self.res_filepath, 'a') as f:
np.savetxt(f, [residual_array], delimiter=', ')
def test_has_same_modelparts(self):
self.interface.set_interface_data(self.interface_data)
interface_a = self.interface.copy()
interface_a.set_interface_data(np.random.rand(self.model_part_size *
5))
self.assertTrue(self.interface.has_same_model_parts(interface_a))
interface_b = Interface(self.parameters['interface_b'], self.model)
interface_b.set_interface_data(self.interface_data)
self.assertTrue(self.interface.has_same_model_parts(interface_b))
interface_c = Interface(self.parameters['interface_c'], self.model)
interface_c.set_interface_data(self.interface_data)
self.assertFalse(self.interface.has_same_model_parts(interface_c))
interface_d = Interface(self.parameters['interface_d'], self.model)
interface_d.set_interface_data(self.interface_data)
self.assertFalse(self.interface.has_same_model_parts(interface_d))
def __init__(self, parameters):
super().__init__()
# settings
self.settings = parameters['settings']
self.working_directory = self.settings['working_directory']
self.env = get_solver_env(__name__, self.working_directory)
# adapted application from openfoam ('coconut_<application name>')
self.application = self.settings['application']
self.delta_t = self.settings['delta_t']
self.time_precision = self.settings['time_precision']
self.start_time = self.settings['timestep_start'] * self.delta_t
self.timestep = self.physical_time = self.iteration = self.prev_timestamp = self.cur_timestamp = None
self.openfoam_process = None
self.write_interval = self.write_precision = None
# boundary_names is the set of boundaries in OpenFoam used for coupling
self.boundary_names = self.settings['boundary_names']
self.version = '4.1'
# set on True to save copy of input and output files in every iteration
self.debug = False
# check interface names in 'interface_input' and 'interface_output' with boundary names provided in
# boundary_names
self.check_interfaces()
# check that the correct modules have been loaded
self.check_software()
# remove possible CoCoNuT-message from previous interrupt
self.remove_all_messages()
# obtain number of cores from self.working_directory/system/decomposeParDict
self.cores = 1
if self.settings['parallel']:
file_name = os.path.join(self.working_directory,
'system/decomposeParDict')
if not os.path.isfile(file_name):
raise RuntimeError(
f'In the parameters:\n{self.settings}\n key "parallel" is set to {True} but {file_name} '
f'does not exist')
else:
with open(file_name, 'r') as file:
decomposedict_string = file.read()
self.cores = of_io.get_int(input_string=decomposedict_string,
keyword='numberOfSubdomains')
# modify controlDict file to add pressure and wall shear stress functionObjects for all the boundaries in
# self.settings["boundary_names"]
self.read_modify_controldict()
# creating Model
self.model = data_structure.Model()
# writeCellcentres writes cellcentres in internal field and face centres in boundaryField
check_call(f'writeCellCentres -time 0 &> log.writeCellCentres;',
cwd=self.working_directory,
shell=True,
env=self.env)
boundary_filename = os.path.join(self.working_directory,
'constant/polyMesh/boundary')
for boundary in self.boundary_names:
with open(boundary_filename, 'r') as boundary_file:
boundary_file_string = boundary_file.read()
boundary_dict = of_io.get_dict(input_string=boundary_file_string,
keyword=boundary)
# get point ids and coordinates for all the faces in the boundary
node_ids, node_coords = of_io.get_boundary_points(
case_directory=self.working_directory,
time_folder='0',
boundary_name=boundary)
nfaces = of_io.get_int(input_string=boundary_dict,
keyword='nFaces')
start_face = of_io.get_int(input_string=boundary_dict,
keyword='startFace')
# create input model part
self.model.create_model_part(f'{boundary}_input',
node_coords[:, 0], node_coords[:, 1],
node_coords[:, 2], node_ids)
filename_x = os.path.join(self.working_directory, '0/ccx')
filename_y = os.path.join(self.working_directory, '0/ccy')
filename_z = os.path.join(self.working_directory, '0/ccz')
x0 = of_io.get_boundary_field(file_name=filename_x,
boundary_name=boundary,
size=nfaces,
is_scalar=True)
y0 = of_io.get_boundary_field(file_name=filename_y,
boundary_name=boundary,
size=nfaces,
is_scalar=True)
z0 = of_io.get_boundary_field(file_name=filename_z,
boundary_name=boundary,
size=nfaces,
is_scalar=True)
ids = np.arange(0, nfaces)
# create output model part
mp_output = self.model.create_model_part(f'{boundary}_output', x0,
y0, z0, ids)
mp_output.start_face = start_face
mp_output.nfaces = nfaces
# create interfaces
self.interface_input = Interface(self.settings['interface_input'],
self.model)
self.interface_output = Interface(self.settings['interface_output'],
self.model)
# time
self.init_time = self.init_time
self.run_time = 0.0
# compile openfoam adapted solver
solver_dir = os.path.join(os.path.dirname(__file__), self.application)
try:
check_call(f'wmake {solver_dir} &> log.wmake',
cwd=self.working_directory,
shell=True,
env=self.env)
except subprocess.CalledProcessError:
raise RuntimeError(
f'Compilation of {self.application} failed. Check {os.path.join(self.working_directory, "log.wmake")}'
)
self.residual_variables = self.settings.get('residual_variables', None)
self.res_filepath = os.path.join(self.working_directory,
'residuals.csv')
if self.residual_variables is not None:
self.write_residuals_fileheader()