def _simulate(cas):
"""
Class to simulate models. This needs to be at the top-level for multiprocessing
to be able to serialize it.
"""
from buildingspy.simulate.Dymola import Simulator
packagePath = os.path.abspath(
os.path.join("buildingspy", "tests", "MyModelicaLibrary"))
s = Simulator(cas['model'],
outputDirectory=f"out-{cas['tol']}",
packagePath=packagePath)
s.setTolerance(cas['tol'])
s.simulate()
def test_addMethods(self):
"""
Tests the various add methods.
"""
import numpy as np
from buildingspy.io.outputfile import Reader
s = Simulator("MyModelicaLibrary.MyModel",
packagePath=self._packagePath)
s.addPreProcessingStatement("Advanced.StoreProtectedVariables:= true;")
s.addPostProcessingStatement(
"Advanced.StoreProtectedVariables:= false;")
s.addModelModifier(
"redeclare Modelica.Blocks.Sources.Step source(offset=-0.1, height=1.1, startTime=0.5)"
)
s.setStartTime(-1)
s.setStopTime(5)
s.setTimeOut(600)
s.setTolerance(1e-4)
s.setSolver("dassl")
s.setNumberOfIntervals(50)
s.setResultFile("myResults")
s.exitSimulator(True)
# s.deleteOutputFiles()
s.showGUI(False)
# s.printModelAndTime()
s.showProgressBar(False)
s.simulate()
# Read the result and test their validity
outDir = s.getOutputDirectory()
resultFile = os.path.abspath(os.path.join(outDir, "myResults.mat"))
r = Reader(resultFile, "dymola")
np.testing.assert_allclose(1.0, r.max('source.y'))
np.testing.assert_allclose(0.725, r.mean('source.y'))
np.testing.assert_allclose(0.725 * 6, r.integral('source.y'))
np.testing.assert_allclose(-0.1, r.min('source.y'))
# Delete output files
s.deleteOutputFiles()