def test_addVectorOfParameterValues(self):
        '''
        Tests the :mod:`buildingspy.simulate.Simulator.addParameters`
        function for the situation where values for a parameter that is
        a vector is added.
        '''
        import numpy as np
        from buildingspy.io.outputfile import Reader
        # Delete output file
        resultFile = os.path.join("Constants.mat")
        if os.path.exists(resultFile):
            os.remove(resultFile)

        s = Simulator("MyModelicaLibrary.Examples.Constants", "dymola", packagePath=self._packagePath)
        s.addParameters({'const1.k' : [2, 3]})
        s.addParameters({'const2.k' : [[1.1, 1.2], [2.1, 2.2], [3.1, 3.2]]})
        s.addParameters({'const3.k' : 0})
        s.simulate()

        r = Reader(resultFile, "dymola")

        np.testing.assert_allclose(2, r.max('const1[1].y'))
        np.testing.assert_allclose(3, r.max('const1[2].y'))

        np.testing.assert_allclose(1.1, r.max('const2[1, 1].y'))
        np.testing.assert_allclose(1.2, r.max('const2[1, 2].y'))
        np.testing.assert_allclose(2.1, r.max('const2[2, 1].y'))
        np.testing.assert_allclose(2.2, r.max('const2[2, 2].y'))
        np.testing.assert_allclose(3.1, r.max('const2[3, 1].y'))
        np.testing.assert_allclose(3.2, r.max('const2[3, 2].y'))

        np.testing.assert_allclose(0, r.max('const3.y'))
        # Delete output files
        s.deleteOutputFiles()
        s.deleteLogFiles()
    def test_setBooleanParameterValues(self):
        '''
        Tests the :mod:`buildingspy.simulate.Simulator.addParameters`
        function for boolean parameters.
        '''

        from buildingspy.io.outputfile import Reader
        # Delete output file
        resultFile = os.path.join("BooleanParameters.mat")

        if os.path.exists(resultFile):
            os.remove(resultFile)

        s = Simulator("MyModelicaLibrary.Examples.BooleanParameters", "dymola", packagePath=self._packagePath)
        s.addParameters({'p1' : True})
        s.addParameters({'p2' : False})
        s.simulate()

        r = Reader(resultFile, "dymola")

        (_, p) = r.values('p1')
        self.assertEqual(p[0], 1.0)
        (_, p) = r.values('p2')
        self.assertEqual(p[0], 0.0)
        # Delete output files
        s.deleteOutputFiles()
        s.deleteLogFiles()
    def test_setBooleanParameterValues(self):
        '''
        Tests the :mod:`buildingspy.simulate.Simulator.addParameters`
        function for boolean parameters.
        '''

        from buildingspy.io.outputfile import Reader
        # Delete output file
        resultFile = os.path.join("BooleanParameters.mat")

        if os.path.exists(resultFile):
            os.remove(resultFile)

        s = Simulator("MyModelicaLibrary.Examples.BooleanParameters",
                      "dymola",
                      packagePath=self._packagePath)
        s.addParameters({'p1': True})
        s.addParameters({'p2': False})
        s.simulate()

        r = Reader(resultFile, "dymola")

        (_, p) = r.values('p1')
        self.assertEqual(p[0], 1.0)
        (_, p) = r.values('p2')
        self.assertEqual(p[0], 0.0)
        # Delete output files
        s.deleteOutputFiles()
        s.deleteLogFiles()
Exemple #4
0
def _simulate(spec):
    import os

    from buildingspy.simulate.Simulator import Simulator
    if not spec["simulate"]:
        return

    wor_dir = create_working_directory()

    out_dir = os.path.join(wor_dir, "simulations", spec["name"])
    os.makedirs(out_dir)

    # Update MODELICAPATH to get the right library version
    os.environ["MODELICAPATH"] = ":".join([spec['lib_dir'], out_dir])

    # Copy the models
    #    print("Copying models from {} to {}".format(CWD, wor_dir))
    shutil.copytree(os.path.join(CWD, "VAVMultiZone"),
                    os.path.join(wor_dir, "VAVMultiZone"))
    # Change the working directory so that the right checkout is loaded
    os.chdir(os.path.join(wor_dir, "VAVMultiZone"))

    # Write git information if the simulation is based on a github checkout
    if 'git' in spec:
        with open(os.path.join(out_dir, "version.txt"), "w+") as text_file:
            text_file.write("branch={}\n".format(spec['git']['branch']))
            text_file.write("commit={}\n".format(spec['git']['commit']))

    s = Simulator(spec["model"], "dymola", outputDirectory=out_dir)
    s.addPreProcessingStatement("OutputCPUtime:= true;")
    s.addPreProcessingStatement("Advanced.ParallelizeCode = false;")
    #    s.addPreProcessingStatement("Advanced.EfficientMinorEvents = true;")
    if not 'solver' in spec:
        s.setSolver("Cvode")
    if 'parameters' in spec:
        s.addParameters(spec['parameters'])
    s.setStartTime(spec["start_time"])
    s.setStopTime(spec["stop_time"])
    s.setTolerance(1E-5)
    s.showGUI(False)
    print("Starting simulation in {}".format(out_dir))
    s.simulate()

    # Copy results back
    res_des = os.path.join(CWD, "simulations", spec["name"])
    if os.path.isdir(res_des):
        shutil.rmtree(res_des)
    print("Copying results to {}".format(res_des))
    shutil.move(out_dir, res_des)

    # Delete the working directory
    shutil.rmtree(wor_dir)
    def test_addMethods(self):
        '''
        Tests the various add methods.
        '''
        import numpy as np

        from buildingspy.io.outputfile import Reader

        s = Simulator("MyModelicaLibrary.MyModel",
                      "dymola",
                      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()
        s.deleteLogFiles()
    def test_addMethods(self):
        '''
        Tests the various add methods.
        '''
        import os
        import numpy as np

        from buildingspy.io.outputfile import Reader

        
        s = Simulator("MyModelicaLibrary.MyModel", "dymola")
        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()
        s.deleteLogFiles()
    def test_addVectorOfParameterValues(self):
        '''
        Tests the :mod:`buildingspy.simulate.Simulator.addParameters`
        function for the situation where values for a parameter that is
        a vector is added.
        '''
        import numpy as np
        from buildingspy.io.outputfile import Reader
        # Delete output file
        resultFile = os.path.join("Constants.mat")
        if os.path.exists(resultFile):
            os.remove(resultFile)

        s = Simulator("MyModelicaLibrary.Examples.Constants",
                      "dymola",
                      packagePath=self._packagePath)
        s.addParameters({'const1.k': [2, 3]})
        s.addParameters({'const2.k': [[1.1, 1.2], [2.1, 2.2], [3.1, 3.2]]})
        s.addParameters({'const3.k': 0})
        s.simulate()

        r = Reader(resultFile, "dymola")

        np.testing.assert_allclose(2, r.max('const1[1].y'))
        np.testing.assert_allclose(3, r.max('const1[2].y'))

        np.testing.assert_allclose(1.1, r.max('const2[1, 1].y'))
        np.testing.assert_allclose(1.2, r.max('const2[1, 2].y'))
        np.testing.assert_allclose(2.1, r.max('const2[2, 1].y'))
        np.testing.assert_allclose(2.2, r.max('const2[2, 2].y'))
        np.testing.assert_allclose(3.1, r.max('const2[3, 1].y'))
        np.testing.assert_allclose(3.2, r.max('const2[3, 2].y'))

        np.testing.assert_allclose(0, r.max('const3.y'))
        # Delete output files
        s.deleteOutputFiles()
        s.deleteLogFiles()
Exemple #8
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def _profile_dymola(result):
    ''' Run simulation with dymola. The function returns
        CPU time used for compile and simulation.
    '''
    import datetime
    import time

    from buildingspy.simulate.Simulator import Simulator
    from buildingspy.io.outputfile import Reader

    model=result['model']
    modelName = model.split(".")[-1]

    worDir = create_working_directory()
    # Update MODELICAPATH to get the right library version
    s=Simulator(model, "dymola", outputDirectory=worDir)
    s.setSolver(result['solver'])
    s.setStartTime(result['start_time'])
    s.setStopTime(result['stop_time'])
    s.setTolerance(result['tolerance'])
    timeout = result['timeout']
    if float(timeout) > 0.01:
        s.setTimeOut(timeout)
    tstart_tr = datetime.datetime.now()
    s.simulate()
    tend_tr = datetime.datetime.now()
    # total time
    tTotTim = (tend_tr-tstart_tr).total_seconds()
    resultFile = os.path.join(worDir, "{}.mat".format(modelName))

    # In case of timeout or error, the output file may not exist
    if not os.path.exists(resultFile):
        shutil.rmtree(worDir)
        return {'tTra': 0,
            'tCPU': 0,
            'nTimeEvent': 0,
            'nStateEvent': 0,
            'nStepEvent': 0}

    r=Reader(resultFile, "dymola")
    tCPU=r.max("CPUtime")
    tTra = tTotTim-tCPU
    nEve=r.max('EventCounter')

    eveLog = N.zeros(3)
    searchEve = list()
    searchEve.append("Number of (model) time events             :")
    searchEve.append("Number of time    events                 :")
    searchEve.append("Number of step     events                 :")
    # ------ search and retrieve times from compile log file ------
    with open(os.path.join(worDir,'dslog.txt'), "r") as f:
        for line in f:
            for index, strLin in enumerate(searchEve):
                if strLin in line:
                    sect1 = line.split(": ")
                    sect2 = sect1[1].split("\n")
                    eveLog[index] = sect2[0]
    f.close()

    shutil.rmtree(worDir)
    return {'tTra': float(tTra),
            'tCPU': float(tCPU),
            'nTimeEvent': float(eveLog[0]),
            'nStateEvent': float(eveLog[1]),
            'nStepEvent': float(eveLog[2])}