def create(self, num, model, **model_params):
counter = self.eid_counters.setdefault(model, itertools.count())
entities = []
for i in range(num):
eid = '%s_%s' % (model, next(counter))
# Establish FMU module based on the version of the integrated module:
if self.fmi_me_version == 1:
fmu = fmipp.FMUModelExchangeV1(self.uri_to_extracted_fmu, self.instance_name, self.logging_on,
self.stop_before_event, self.event_search_precision, self.integrator)
elif self.fmi_me_version == 2:
fmu = fmipp.FMUModelExchangeV2(self.uri_to_extracted_fmu, self.instance_name, self.logging_on,
self.stop_before_event, self.event_search_precision, self.integrator)
else:
raise ValueError("Unknown FMI version '%i'" % self.fmi_me_version)
# Set parameter values and initialize:
self._entities[eid] = fmu
inst_stat = self._entities[eid].instantiate(self.instance_name)
assert inst_stat == fmipp.fmiOK
self.set_values(eid, model_params, 'parameter')
if self.automated_initialization:
init_stat = self._entities[eid].initialize()
assert init_stat == fmipp.fmiOK
entities.append({'eid': eid, 'type': model, 'rel': []})
return entities
print('URI of extracted FMU: {}'.format(uri_to_extracted_fmu))
# ## Loading, instantiating and initialising the FMU
#
# Specify the FMU's configuration parameters.
logging_on = False # turn logging on/off
stop_before_event = False # halt integration immediately before an event?
event_search_precision = 1e-2 # set precision for event detection
integrator_type = fmipp.bdf # use Backward Differentiation Formula from CVODE
#integrator_type = fmipp.rk # alternatively, use Runge-Kutta for integration
# Load the FMU with the help of class **FMUModelExchangeV2**.
fmu = fmipp.FMUModelExchangeV2(uri_to_extracted_fmu, model_name, logging_on,
stop_before_event, event_search_precision,
integrator_type)
# Instantiate the FMU and check the status.
status = fmu.instantiate('radiator_1') # instantiate model
assert status == fmipp.fmiOK # check status
# Initialize the FMU and check the status.
status = fmu.initialize() # initialize model
assert status == fmipp.fmiOK # check status
# ## Run a simulation with the FMU
#
# Specify default step size of one simulation step (communication step size).