def test_fmi_1_0_getrealoutputs(self):
model_name = 'sine_standalone'
fmu = fmippim.FixedStepSizeFMU(FMU_URI_PRE + model_name, model_name)
# construct string array for init parameter names
init_vars = fmippim.new_string_array(1)
fmippim.string_array_setitem(init_vars, 0, 'omega')
# construct double array for init parameter values
init_vals = fmippim.new_double_array(1)
fmippim.double_array_setitem(init_vals, 0, 0.1 * math.pi)
# construct string array with output names
outputs = fmippim.new_string_array(1)
fmippim.string_array_setitem(outputs, 0, 'x')
# define real output names
fmu.defineRealOutputs(outputs, 1)
start_time = 0.
step_size = 1. # NB: fixed step size enforced by FMU!
status = fmu.init("test_sine", init_vars, init_vals, 1, start_time,
step_size)
self.assertEqual(status, 1)
result = fmu.getRealOutputs()
self.assertEqual(fmippim.double_array_getitem(result, 0),
0.0) # check value
def test_fmi_1_0_init(self):
model_name = 'sine_standalone'
fmu = fmippim.FixedStepSizeFMU(FMU_URI_PRE + model_name, model_name)
# construct string array for init parameter names
init_vars = fmippim.new_string_array(1)
fmippim.string_array_setitem(init_vars, 0, 'omega')
# construct double array for init parameter values
init_vals = fmippim.new_double_array(1)
fmippim.double_array_setitem(init_vals, 0, 0.1 * math.pi)
start_time = 0.
step_size = 1. # NB: fixed step size enforced by FMU!
status = fmu.init("test_sine", init_vars, init_vals, 1, start_time,
step_size)
self.assertEqual(status, 1)
def test_fmi_1_0_runsimulation(self):
model_name = 'sine_standalone'
fmu = fmippim.FixedStepSizeFMU(FMU_URI_PRE + model_name, model_name)
# construct string array for init parameter names
init_vars = fmippim.new_string_array(1)
fmippim.string_array_setitem(init_vars, 0, 'omega')
# construct double array for init parameter values
init_vals = fmippim.new_double_array(1)
fmippim.double_array_setitem(init_vals, 0, 0.1 * math.pi)
# construct string array with output names
outputs = fmippim.new_string_array(1)
fmippim.string_array_setitem(outputs, 0, 'x')
# define real output names
fmu.defineRealOutputs(outputs, 1)
start_time = 0.
stop_time = 5.
fmu_step_size = 1. # NB: fixed step size enforced by FMU!
sim_step_size = 0.2
time = start_time
status = fmu.init("test_sine", init_vars, init_vals, 1, start_time,
fmu_step_size)
self.assertEqual(status, 1)
while (time <= stop_time):
fmu.sync(time, time + sim_step_size)
time += sim_step_size
result = fmu.getRealOutputs()
reference = math.sin(0.1 * math.pi * fmu_step_size *
math.floor(time / fmu_step_size))
self.assertTrue(
math.fabs(fmippim.double_array_getitem(result, 0) - reference)
< 1e-8) # check value
def test_fmi_1_0_load(self):
model_name = 'sine_standalone'
fmu = fmippim.FixedStepSizeFMU(FMU_URI_PRE + model_name, model_name)