class Test_FMI_ODE:
"""
This class tests pyfmi.simulation.assimulo.FMIODE and together
with Assimulo. Requires that Assimulo is installed.
"""
@classmethod
def setUpClass(cls):
"""
Compile the test model.
"""
file_name = os.path.join(get_files_path(), 'Modelica', 'noState.mo')
_ex1_name = compile_fmu("NoState.Example1", file_name)
_ex2_name = compile_fmu("NoState.Example2", file_name)
_cc_name = compile_fmu(
"Modelica.Mechanics.Rotational.Examples.CoupledClutches")
def setUp(self):
"""
Load the test model.
"""
self._bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
self._dq = load_fmu('dq.fmu', path_to_fmus_me1)
self._bounce.initialize()
self._dq.initialize()
self._bounceSim = FMIODE(self._bounce)
self._dqSim = FMIODE(self._dq)
@testattr(assimulo=True)
def test_cc_with_cvode(self):
model = load_fmu(
"Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "CVode"
opts["CVode_options"]["rtol"] = 1e-6
res = model.simulate(final_time=1.5, options=opts)
assert (N.abs(res.final("J1.w") - 3.245091100366517)) < 1e-4
@testattr(assimulo=True)
def test_cc_with_radau(self):
model = load_fmu(
"Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "Radau5ODE"
res = model.simulate(final_time=1.5, options=opts)
assert (N.abs(res.final("J1.w") - 3.245091100366517)) < 1e-4
@testattr(assimulo=True)
def test_cc_with_dopri(self):
model = load_fmu(
"Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "Dopri5"
res = model.simulate(final_time=1.5, options=opts)
assert (N.abs(res.final("J1.w") - 3.245091100366517)) < 1e-4
@testattr(assimulo=True)
def test_cc_with_lsodar(self):
model = load_fmu(
"Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "LSODAR"
res = model.simulate(final_time=1.5, options=opts)
assert (N.abs(res.final("J1.w") - 3.245091100366517)) < 1e-3
@testattr(assimulo=True)
def test_cc_with_rodas(self):
model = load_fmu(
"Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "RodasODE"
opts["RodasODE_options"]["rtol"] = 1e-6
res = model.simulate(final_time=1.5, options=opts)
assert (N.abs(res.final("J1.w") - 3.245091100366517)) < 1e-4
@testattr(assimulo=True)
def test_no_state1(self):
"""
Tests simulation when there is no state in the model (Example1).
"""
model = load_fmu("NoState_Example1.fmu")
res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(res.initial('x'), 1.000000000)
nose.tools.assert_almost_equal(res.final('x'), -2.000000000)
nose.tools.assert_almost_equal(res.initial('y'), -1.000000000)
nose.tools.assert_almost_equal(res.final('y'), -1.000000000)
nose.tools.assert_almost_equal(res.initial('z'), 1.000000000)
nose.tools.assert_almost_equal(res.final('z'), 4.000000000)
@testattr(assimulo=True)
def test_no_state2(self):
"""
Tests simulation when there is no state in the model (Example2).
"""
model = load_fmu("NoState_Example2.fmu")
res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(res.initial('x'), -1.000000000)
nose.tools.assert_almost_equal(res.final('x'), -1.000000000)
@testattr(assimulo=True)
def test_result_name_file(self):
"""
Tests user naming of result file (FMIODE).
"""
res = self._dq.simulate(options={"initialize": False})
#Default name
assert res.result_file == "dq_result.txt"
assert os.path.exists(res.result_file)
res = self._bounce.simulate(
options={
"result_file_name": "bouncingBallt_result_test.txt",
"initialize": False
})
#User defined name
assert res.result_file == "bouncingBallt_result_test.txt"
assert os.path.exists(res.result_file)
@testattr(assimulo=True)
def test_init(self):
"""
This tests the functionality of the method init.
"""
assert self._bounceSim._f_nbr == 2
assert self._bounceSim._g_nbr == 1
assert self._bounceSim.state_events == self._bounceSim.g
assert self._bounceSim.y0[0] == 1.0
assert self._bounceSim.y0[1] == 0.0
assert self._dqSim._f_nbr == 1
assert self._dqSim._g_nbr == 0
try:
self._dqSim.state_events
raise FMUException('')
except AttributeError:
pass
#sol = self._bounceSim._sol_real
#nose.tools.assert_almost_equal(sol[0][0],1.000000000)
#nose.tools.assert_almost_equal(sol[0][1],0.000000000)
#nose.tools.assert_almost_equal(sol[0][2],0.000000000)
#nose.tools.assert_almost_equal(sol[0][3],-9.81000000)
@testattr(assimulo=True)
def test_f(self):
"""
This tests the functionality of the rhs.
"""
t = 1.0
y = N.array([1.0, 1.0])
rhs = self._bounceSim.rhs(t, y)
nose.tools.assert_almost_equal(rhs[0], 1.00000000)
nose.tools.assert_almost_equal(rhs[1], -9.8100000)
@testattr(assimulo=True)
def test_g(self):
"""
This tests the functionality of the event indicators.
"""
t = 1.0
y = N.array([1.0, 1.0])
event = self._bounceSim.g(t, y, None)
nose.tools.assert_almost_equal(event[0], 1.00000000)
y = N.array([0.5, 1.0])
event = self._bounceSim.g(t, y, None)
nose.tools.assert_almost_equal(event[0], 0.50000000)
@testattr(assimulo=True)
def test_t(self):
"""
This tests the functionality of the time events.
"""
t = 1.0
y = N.array([1.0, 1.0])
time = self._bounceSim.t(t, y, None)
assert time == None
#Further testing of the time event function is needed.
@testattr(assimulo=True)
def test_handle_event(self):
"""
This tests the functionality of the method handle_event.
"""
y = N.array([1., 1.])
self._bounceSim._model.continuous_states = y
solver = lambda x: 1
solver.rtol = 1.e-4
solver.t = 1.0
solver.y = y
solver.y_sol = [y]
solver.report_continuously = False
self._bounceSim.initialize(solver)
self._bounceSim.handle_event(solver, None)
nose.tools.assert_almost_equal(solver.y[0], 1.00000000)
nose.tools.assert_almost_equal(solver.y[1], -0.70000000)
#Further testing of the handle_event function is needed.
@testattr(assimulo=True)
def test_completed_step(self):
"""
This tests the functionality of the method completed_step.
"""
y = N.array([1., 1.])
solver = lambda x: 1
solver.t = 1.0
solver.y = y
assert self._bounceSim.step_events(solver) == 0
#Further testing of the completed step function is needed.
@testattr(windows=True)
def test_simulation_completed_step_cvode(self):
"""
This tests a simulation of a Pendulum with dynamic state selection.
"""
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(res.initial('x'), 1.000000, 4)
nose.tools.assert_almost_equal(res.initial('y'), 0.000000, 4)
nose.tools.assert_almost_equal(res.final('x'), 0.290109468, 4)
nose.tools.assert_almost_equal(res.final('y'), -0.956993467, 4)
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
res = model.simulate(final_time=10, options={'ncp': 1000})
nose.tools.assert_almost_equal(res.initial('x'), 1.000000, 4)
nose.tools.assert_almost_equal(res.initial('y'), 0.000000, 4)
@testattr(windows=True)
def test_simulation_completed_step_radau(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "Radau5ODE"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-2
assert N.abs(res.final('x') - 0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-2
assert N.abs(res.final('x') - 0.290109468) < 1e-1
@testattr(windows=True)
def test_simulation_completed_step_dopri(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "Dopri5"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-1
assert N.abs(res.final('x') - 0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-1
assert N.abs(res.final('x') - 0.290109468) < 1e-1
@testattr(windows=True)
def test_simulation_completed_step_rodas(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "RodasODE"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-1
assert N.abs(res.final('x') - 0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-1
assert N.abs(res.final('x') - 0.290109468) < 1e-1
@testattr(windows=True)
def test_simulation_completed_step_lsodar(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "LSODAR"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-1
assert N.abs(res.final('x') - 0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y') + 0.956993467) < 1e-1
assert N.abs(res.final('x') - 0.290109468) < 1e-1
@testattr(windows=True)
def test_terminate_simulation(self):
"""
This tests a simulation with an event of terminate simulation.
"""
model = load_fmu('Robot.fmu', path_to_fmus_me1)
res = model.simulate(final_time=2.0)
solver = res.solver
nose.tools.assert_almost_equal(solver.t, 1.856045, places=3)
@testattr(windows=True)
def test_typeDefinitions_simulation(self):
"""
This tests a FMU with typeDefinitions including StringType and BooleanType
"""
model = load_fmu('Robot_Dym74FD01.fmu', path_to_fmus_me1)
res = model.simulate(final_time=2.0)
solver = res.solver
nose.tools.assert_almost_equal(solver.t, 1.856045, places=3)
@testattr(assimulo=True)
def test_assert_raises_sensitivity_parameters(self):
"""
This tests that an exception is raised if a sensitivity calculation
is to be perfomed and the parameters are not contained in the model.
"""
fmu_name = compile_fmu('EventIter.EventMiddleIter',
os.path.join(path_to_mos, 'EventIter.mo'))
model = load_fmu(fmu_name)
opts = model.simulate_options()
opts["sensitivities"] = ["hej", "hopp"]
nose.tools.assert_raises(FMUException, model.simulate, 0, 1, (),
'AssimuloFMIAlg', opts)
@testattr(windows=True)
def test_assert_raises_sensitivity_without_jmodelica(self):
model = load_fmu(
"Modelica_Mechanics_Rotational_Examples_CoupledClutches_ME.fmu",
path_to_fmus_me1)
opts = model.simulate_options()
opts["sensitivities"] = ["J1.w"]
nose.tools.assert_raises(Exception, model.simulate, 0, 1, (),
'AssimuloFMIAlg', opts)
@testattr(assimulo=True)
def test_event_iteration(self):
"""
This tests FMUs with event iteration (JModelica.org).
"""
fmu_name = compile_fmu('EventIter.EventMiddleIter',
os.path.join(path_to_mos, 'EventIter.mo'))
model = load_fmu(fmu_name)
sim_res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(sim_res.initial('x'), 2.00000, 4)
nose.tools.assert_almost_equal(sim_res.final('x'), 10.000000, 4)
nose.tools.assert_almost_equal(sim_res.final('y'), 3.0000000, 4)
nose.tools.assert_almost_equal(sim_res.final('z'), 2.0000000, 4)
fmu_name = compile_fmu('EventIter.EventStartIter',
os.path.join(path_to_mos, 'EventIter.mo'))
model = FMUModel(fmu_name)
sim_res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(sim_res.initial('x'), 1.00000, 4)
nose.tools.assert_almost_equal(sim_res.initial('y'), -1.00000, 4)
nose.tools.assert_almost_equal(sim_res.initial('z'), 1.00000, 4)
nose.tools.assert_almost_equal(sim_res.final('x'), -2.000000, 4)
nose.tools.assert_almost_equal(sim_res.final('y'), -1.0000000, 4)
nose.tools.assert_almost_equal(sim_res.final('z'), 4.0000000, 4)
@testattr(assimulo=True)
def test_changed_starttime(self):
"""
This tests a simulation with different start time.
"""
bounce = FMUModel('bouncingBall.fmu', path_to_fmus_me1)
#bounce.initialize()
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(start_time=2., final_time=5., options=opts)
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.98048862, 4)
nose.tools.assert_almost_equal(res.final('time'), 5.000000, 5)
@testattr(assimulo=True)
def test_basic_simulation(self):
"""
This tests the basic simulation and writing.
"""
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
#bounce.initialize()
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.9804523, 5)
nose.tools.assert_almost_equal(res.final('time'), 3.000000, 5)
#Writing after
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
bounce.initialize()
opt = bounce.simulate_options()
opt['initialize'] = False
opt["CVode_options"]["rtol"] = 1e-4
opt["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(final_time=3., options=opt)
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.9804523, 5)
nose.tools.assert_almost_equal(res.final('time'), 3.000000, 5)
#Test with predefined FMUModel
model = load_fmu(os.path.join(path_to_fmus_me1, 'bouncingBall.fmu'))
#model.initialize()
res = model.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.9804523, 5)
nose.tools.assert_almost_equal(res.final('time'), 3.000000, 5)
@testattr(assimulo=True)
def test_default_simulation(self):
"""
This test the default values of the simulation using simulate.
"""
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.solver.rtol, 1e-4, 6)
assert res.solver.iter == 'Newton'
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.9804523, 5)
nose.tools.assert_almost_equal(res.final('time'), 3.000000, 5)
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
#bounce.initialize(options={'initialize':False})
res = bounce.simulate(final_time=3.,
options={
'initialize': True,
'CVode_options': {
'iter': 'FixedPoint',
'rtol': 1e-6,
'atol': 1e-6
}
})
nose.tools.assert_almost_equal(res.solver.rtol, 0.00000100, 7)
assert res.solver.iter == 'FixedPoint'
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.98018113, 5)
nose.tools.assert_almost_equal(res.final('time'), 3.000000, 5)
@testattr(assimulo=True)
def test_reset(self):
"""
Test resetting an FMU. (Multiple instances is NOT supported on Dymola
FMUs)
"""
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
#bounce.initialize()
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.9804523, 5)
bounce.reset()
#bounce.initialize()
nose.tools.assert_almost_equal(bounce.get('h'), 1.00000, 5)
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.initial('h'), 1.000000, 5)
nose.tools.assert_almost_equal(res.final('h'), -0.9804523, 5)
class Test_FMI_ODE:
"""
This class tests pyfmi.simulation.assimulo.FMIODE and together
with Assimulo. Requires that Assimulo is installed.
"""
@classmethod
def setUpClass(cls):
"""
Compile the test model.
"""
file_name = os.path.join(get_files_path(), 'Modelica', 'noState.mo')
_ex1_name = compile_fmu("NoState.Example1", file_name)
_ex2_name = compile_fmu("NoState.Example2", file_name)
_cc_name = compile_fmu("Modelica.Mechanics.Rotational.Examples.CoupledClutches")
def setUp(self):
"""
Load the test model.
"""
self._bounce = load_fmu('bouncingBall.fmu',path_to_fmus_me1)
self._dq = load_fmu('dq.fmu',path_to_fmus_me1)
self._bounce.initialize()
self._dq.initialize()
self._bounceSim = FMIODE(self._bounce)
self._dqSim = FMIODE(self._dq)
@testattr(stddist = True)
def test_cc_with_cvode(self):
model = load_fmu("Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "CVode"
opts["CVode_options"]["rtol"] = 1e-7
res = model.simulate(final_time=1.5,options=opts)
assert (N.abs(res.final("J1.w") - 3.2450903041811698)) < 1e-4
@testattr(stddist = True)
def test_no_result(self):
opts = self._bounce.simulate_options()
opts["result_handling"] = "none"
opts["initialize"] = False
res = self._bounce.simulate(options=opts)
nose.tools.assert_raises(Exception,res._get_result_data)
@testattr(stddist = True)
def test_cc_with_radau(self):
model = load_fmu("Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "Radau5ODE"
res = model.simulate(final_time=1.5,options=opts)
assert (N.abs(res.final("J1.w") - 3.2450903041811698)) < 1e-3
@testattr(stddist = True)
def test_cc_with_dopri(self):
model = load_fmu("Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "Dopri5"
res = model.simulate(final_time=1.5,options=opts)
assert (N.abs(res.final("J1.w") - 3.2450903041811698)) < 1e-3
@testattr(stddist = True)
def test_cc_with_lsodar(self):
model = load_fmu("Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "LSODAR"
opts["LSODAR_options"]["rtol"] = 1e-6
res = model.simulate(final_time=1.5,options=opts)
assert (N.abs(res.final("J1.w") - 3.2450903041811698)) < 1e-3
@testattr(stddist = True)
def test_cc_with_rodas(self):
model = load_fmu("Modelica_Mechanics_Rotational_Examples_CoupledClutches.fmu")
opts = model.simulate_options()
opts["solver"] = "RodasODE"
opts["RodasODE_options"]["rtol"] = 1e-6
res = model.simulate(final_time=1.5,options=opts)
assert (N.abs(res.final("J1.w") - 3.2450903041811698)) < 1e-3
@testattr(stddist = True)
def test_no_state1(self):
"""
Tests simulation when there is no state in the model (Example1).
"""
model = load_fmu("NoState_Example1.fmu")
res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(res.initial('x') ,1.000000000)
nose.tools.assert_almost_equal(res.final('x'),-2.000000000)
nose.tools.assert_almost_equal(res.initial('y') ,-1.000000000)
nose.tools.assert_almost_equal(res.final('y'),-1.000000000)
nose.tools.assert_almost_equal(res.initial('z') ,1.000000000)
nose.tools.assert_almost_equal(res.final('z'),4.000000000)
@testattr(stddist = True)
def test_no_state2(self):
"""
Tests simulation when there is no state in the model (Example2).
"""
model = load_fmu("NoState_Example2.fmu")
res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(res.initial('x') ,-1.000000000)
nose.tools.assert_almost_equal(res.final('x'),-1.000000000)
@testattr(stddist = True)
def test_result_name_file(self):
"""
Tests user naming of result file (FMIODE).
"""
res = self._dq.simulate(options={"initialize":False})
#Default name
assert res.result_file == "dq_result.txt"
assert os.path.exists(res.result_file)
res = self._bounce.simulate(options={"result_file_name":
"bouncingBallt_result_test.txt",
"initialize":False})
#User defined name
assert res.result_file == "bouncingBallt_result_test.txt"
assert os.path.exists(res.result_file)
@testattr(stddist = True)
def test_init(self):
"""
This tests the functionality of the method init.
"""
assert self._bounceSim._f_nbr == 2
assert self._bounceSim._g_nbr == 1
assert self._bounceSim.state_events == self._bounceSim.g
assert self._bounceSim.y0[0] == 1.0
assert self._bounceSim.y0[1] == 0.0
assert self._dqSim._f_nbr == 1
assert self._dqSim._g_nbr == 0
try:
self._dqSim.state_events
raise FMUException('')
except AttributeError:
pass
#sol = self._bounceSim._sol_real
#nose.tools.assert_almost_equal(sol[0][0],1.000000000)
#nose.tools.assert_almost_equal(sol[0][1],0.000000000)
#nose.tools.assert_almost_equal(sol[0][2],0.000000000)
#nose.tools.assert_almost_equal(sol[0][3],-9.81000000)
@testattr(stddist = True)
def test_f(self):
"""
This tests the functionality of the rhs.
"""
t = 1.0
y = N.array([1.0,1.0])
rhs = self._bounceSim.rhs(t,y)
nose.tools.assert_almost_equal(rhs[0],1.00000000)
nose.tools.assert_almost_equal(rhs[1],-9.8100000)
@testattr(stddist = True)
def test_g(self):
"""
This tests the functionality of the event indicators.
"""
t = 1.0
y = N.array([1.0,1.0])
event = self._bounceSim.g(t,y,None)
nose.tools.assert_almost_equal(event[0],1.00000000)
y = N.array([0.5,1.0])
event = self._bounceSim.g(t,y,None)
nose.tools.assert_almost_equal(event[0],0.50000000)
@testattr(stddist = True)
def test_t(self):
"""
This tests the functionality of the time events.
"""
t = 1.0
y = N.array([1.0,1.0])
time = self._bounceSim.t(t,y,None)
assert time == None
#Further testing of the time event function is needed.
@testattr(stddist = True)
def test_handle_event(self):
"""
This tests the functionality of the method handle_event.
"""
y = N.array([1.,1.])
self._bounceSim._model.continuous_states = y
solver = lambda x:1
solver.rtol = 1.e-4
solver.t = 1.0
solver.y = y
solver.y_sol = [y]
solver.report_continuously = False
self._bounceSim.initialize(solver)
self._bounceSim.handle_event(solver, None)
nose.tools.assert_almost_equal(solver.y[0],1.00000000)
nose.tools.assert_almost_equal(solver.y[1],-0.70000000)
#Further testing of the handle_event function is needed.
@testattr(stddist = True)
def test_completed_step(self):
"""
This tests the functionality of the method completed_step.
"""
y = N.array([1.,1.])
solver = lambda x:1
solver.t = 1.0
solver.y = y
assert self._bounceSim.step_events(solver) == 0
#Further testing of the completed step function is needed.
@testattr(windows = True)
def test_simulation_completed_step_cvode(self):
"""
This tests a simulation of a Pendulum with dynamic state selection.
"""
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(res.initial('x'), 1.000000, 4)
nose.tools.assert_almost_equal(res.initial('y'), 0.000000, 4)
nose.tools.assert_almost_equal(res.final('x'), 0.290109468, 4)
nose.tools.assert_almost_equal(res.final('y'), -0.956993467, 4)
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
res = model.simulate(final_time=10, options={'ncp':1000})
nose.tools.assert_almost_equal(res.initial('x'), 1.000000, 4)
nose.tools.assert_almost_equal(res.initial('y'), 0.000000, 4)
@testattr(windows = True)
def test_simulation_completed_step_radau(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "Radau5ODE"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-2
assert N.abs(res.final('x')-0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-2
assert N.abs(res.final('x')-0.290109468) < 1e-1
@testattr(windows = True)
def test_simulation_completed_step_dopri(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "Dopri5"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-1
assert N.abs(res.final('x')-0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-1
assert N.abs(res.final('x')-0.290109468) < 1e-1
@testattr(windows = True)
def test_simulation_completed_step_rodas(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "RodasODE"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-1
assert N.abs(res.final('x')-0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-1
assert N.abs(res.final('x')-0.290109468) < 1e-1
@testattr(windows = True)
def test_simulation_completed_step_lsodar(self):
model = load_fmu('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts = model.simulate_options()
opts["solver"] = "LSODAR"
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-1
assert N.abs(res.final('x')-0.290109468) < 1e-1
model = FMUModel('Pendulum_0Dynamic.fmu', path_to_fmus_me1)
opts["ncp"] = 1000
res = model.simulate(final_time=10, options=opts)
assert N.abs(res.final('y')+0.956993467) < 1e-1
assert N.abs(res.final('x')-0.290109468) < 1e-1
@testattr(windows = True)
def test_terminate_simulation(self):
"""
This tests a simulation with an event of terminate simulation.
"""
model = load_fmu('Robot.fmu', path_to_fmus_me1)
res = model.simulate(final_time=2.0)
solver = res.solver
nose.tools.assert_almost_equal(solver.t, 1.856045, places=3)
@testattr(windows = True)
def test_typeDefinitions_simulation(self):
"""
This tests a FMU with typeDefinitions including StringType and BooleanType
"""
model = load_fmu('Robot_Dym74FD01.fmu', path_to_fmus_me1)
res = model.simulate(final_time=2.0)
solver = res.solver
nose.tools.assert_almost_equal(solver.t, 1.856045, places=3)
@testattr(stddist = True)
def test_assert_raises_sensitivity_parameters(self):
"""
This tests that an exception is raised if a sensitivity calculation
is to be perfomed and the parameters are not contained in the model.
"""
fmu_name = compile_fmu('EventIter.EventMiddleIter', os.path.join(path_to_mos,'EventIter.mo'))
model = load_fmu(fmu_name)
opts = model.simulate_options()
opts["sensitivities"] = ["hej", "hopp"]
nose.tools.assert_raises(FMUException,model.simulate,0,1,(),'AssimuloFMIAlg',opts)
@testattr(windows = True)
def test_assert_raises_sensitivity_without_jmodelica(self):
model = load_fmu("Modelica_Mechanics_Rotational_Examples_CoupledClutches_ME.fmu", path_to_fmus_me1)
opts = model.simulate_options()
opts["sensitivities"] = ["J1.w"]
nose.tools.assert_raises(Exception,model.simulate,0,1,(),'AssimuloFMIAlg',opts)
@testattr(stddist = True)
def test_event_iteration(self):
"""
This tests FMUs with event iteration (JModelica.org).
"""
fmu_name = compile_fmu('EventIter.EventMiddleIter', os.path.join(path_to_mos,'EventIter.mo'))
model = load_fmu(fmu_name)
sim_res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(sim_res.initial('x'), 2.00000, 4)
nose.tools.assert_almost_equal(sim_res.final('x'), 10.000000, 4)
nose.tools.assert_almost_equal(sim_res.final('y'), 3.0000000, 4)
nose.tools.assert_almost_equal(sim_res.final('z'), 2.0000000, 4)
fmu_name = compile_fmu('EventIter.EventStartIter', os.path.join(path_to_mos,'EventIter.mo'))
model = FMUModel(fmu_name)
sim_res = model.simulate(final_time=10)
nose.tools.assert_almost_equal(sim_res.initial('x'), 1.00000, 4)
nose.tools.assert_almost_equal(sim_res.initial('y'), -1.00000, 4)
nose.tools.assert_almost_equal(sim_res.initial('z'), 1.00000, 4)
nose.tools.assert_almost_equal(sim_res.final('x'), -2.000000, 4)
nose.tools.assert_almost_equal(sim_res.final('y'), -1.0000000, 4)
nose.tools.assert_almost_equal(sim_res.final('z'), 4.0000000, 4)
@testattr(stddist = True)
def test_changed_starttime(self):
"""
This tests a simulation with different start time.
"""
bounce = FMUModel('bouncingBall.fmu', path_to_fmus_me1)
#bounce.initialize()
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(start_time=2.,final_time=5.,options=opts)
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.98048862,4)
nose.tools.assert_almost_equal(res.final('time'),5.000000,5)
@testattr(stddist = True)
def test_basic_simulation(self):
"""
This tests the basic simulation and writing.
"""
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
#bounce.initialize()
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.9804523,5)
nose.tools.assert_almost_equal(res.final('time'),3.000000,5)
#Writing after
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
bounce.initialize()
opt = bounce.simulate_options()
opt['initialize']=False
opt["CVode_options"]["rtol"] = 1e-4
opt["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(final_time=3., options=opt)
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.9804523,5)
nose.tools.assert_almost_equal(res.final('time'),3.000000,5)
#Test with predefined FMUModel
model = load_fmu(os.path.join(path_to_fmus_me1,'bouncingBall.fmu'))
#model.initialize()
res = model.simulate(final_time=3.,options=opts)
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.9804523,5)
nose.tools.assert_almost_equal(res.final('time'),3.000000,5)
@testattr(stddist = True)
def test_default_simulation(self):
"""
This test the default values of the simulation using simulate.
"""
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.solver.rtol, 1e-4, 6)
assert res.solver.iter == 'Newton'
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.9804523,5)
nose.tools.assert_almost_equal(res.final('time'),3.000000,5)
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
#bounce.initialize(options={'initialize':False})
res = bounce.simulate(final_time=3.,
options={'initialize':True,'CVode_options':{'iter':'FixedPoint','rtol':1e-6,'atol':1e-6}})
nose.tools.assert_almost_equal(res.solver.rtol, 0.00000100, 7)
assert res.solver.iter == 'FixedPoint'
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.98018113,5)
nose.tools.assert_almost_equal(res.final('time'),3.000000,5)
@testattr(stddist = True)
def test_reset(self):
"""
Test resetting an FMU. (Multiple instances is NOT supported on Dymola
FMUs)
"""
#Writing continuous
bounce = load_fmu('bouncingBall.fmu', path_to_fmus_me1)
opts = bounce.simulate_options()
opts["CVode_options"]["rtol"] = 1e-4
opts["CVode_options"]["atol"] = 1e-6
#bounce.initialize()
res = bounce.simulate(final_time=3., options=opts)
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.9804523,5)
bounce.reset()
#bounce.initialize()
nose.tools.assert_almost_equal(bounce.get('h'), 1.00000,5)
res = bounce.simulate(final_time=3.,options=opts)
nose.tools.assert_almost_equal(res.initial('h'),1.000000,5)
nose.tools.assert_almost_equal(res.final('h'),-0.9804523,5)