def test_translate_simulate(self):
'''
Tests the :mod:`buildingspy.simulate.Simulator.translate` and
the :mod:`buildingspy.simulate.Simulator.simulate_translated`
method.
'''
import numpy as np
from buildingspy.io.outputfile import Reader
s = Simulator("MyModelicaLibrary.MyModel",
"dymola",
packagePath=self._packagePath)
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.translate()
s.simulate_translated()
# 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(-0.1, r.min('source.y'))
np.testing.assert_allclose(0.725, r.mean('source.y'))
np.testing.assert_allclose(0.725 * 6, r.integral('source.y'))
# Delete output files
s.deleteOutputFiles()
s.deleteLogFiles()
# Make another simulation, but now the start time is at -2, and the height is 2.1
s.setStartTime(-2)
s.addParameters({'source.height': 2.1})
s.simulate_translated()
outDir = s.getOutputDirectory()
resultFile = os.path.abspath(os.path.join(outDir, "myResults.mat"))
r = Reader(resultFile, "dymola")
np.testing.assert_allclose(2.0, r.max('source.y'))
np.testing.assert_allclose(-0.1, r.min('source.y'))
np.testing.assert_allclose(1.25, r.mean('source.y'))
np.testing.assert_allclose(7 * 1.25, r.integral('source.y'))
# clean up translate temporary dir
s.deleteOutputFiles()
s.deleteLogFiles()
s.deleteTranslateDirectory()
def test_translate_simulate(self):
"""
Tests the :mod:`buildingspy.simulate.Simulator.translate` and
the :mod:`buildingspy.simulate.Simulator.simulate_translated`
method.
"""
import numpy as np
from buildingspy.io.outputfile import Reader
s = Simulator("MyModelicaLibrary.MyModel", "dymola", packagePath=self._packagePath)
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.translate()
s.simulate_translated()
# 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(-0.1, r.min('source.y'))
np.testing.assert_allclose(0.725, r.mean('source.y'))
np.testing.assert_allclose(0.725 * 6, r.integral('source.y'))
# Delete output files
s.deleteOutputFiles()
s.deleteLogFiles()
# Make another simulation, but now the start time is at -2, and the height is 2.1
s.setStartTime(-2)
s.addParameters({'source.height': 2.1})
s.simulate_translated()
outDir = s.getOutputDirectory()
resultFile = os.path.abspath(os.path.join(outDir, "myResults.mat"))
r = Reader(resultFile, "dymola")
np.testing.assert_allclose(2.0, r.max('source.y'))
np.testing.assert_allclose(-0.1, r.min('source.y'))
np.testing.assert_allclose(1.25, r.mean('source.y'))
np.testing.assert_allclose(7 * 1.25, r.integral('source.y'))
# clean up translate temporary dir
s.deleteOutputFiles()
s.deleteLogFiles()
s.deleteTranslateDirectory()
def test_translate_simulate_exception_parameter(self):
"""
Tests the :mod:`buildingspy.simulate.Simulator.translate` and
the :mod:`buildingspy.simulate.Simulator.simulate_translated`
method.
This tests whether an exception is thrown if
one attempts to change a parameter that is fixed after compilation
"""
import numpy as np
from buildingspy.io.outputfile import Reader
s = Simulator("MyModelicaLibrary.Examples.ParameterEvaluation",
"dymola", packagePath=self._packagePath)
s.translate()
s.setSolver("dassl")
desired_value = 0.2
s.addParameters({'x': desired_value})
# Simulate the model with new parameter and check in the output file
# whether the parameter is really set.
# Dymola 2016 FD01 sets it correctly, but Dymola 2016 does not.
try:
s.simulate_translated()
# No exception. Check results
actual_res = Reader(os.path.join(".",
'ParameterEvaluation.mat'),
'dymola')
(_, y) = actual_res.values('x')
(_, n) = actual_res.values('n')
np.testing.assert_allclose(y[0], desired_value)
np.testing.assert_allclose(n[0], 5)
except IOError as e:
# An IOError was raised. Make sure it is raised by simulate_translated
print(("Caught IOError with message '{}'".format(e)))
self.assertRaises(IOError, s.simulate_translated)
# clean up translate temporary dir
s.deleteTranslateDirectory()
# Delete output files
s.deleteOutputFiles()
s.deleteLogFiles()
# This is called to clean up after an exception in simulate_translated().
s.deleteSimulateDirectory()
def test_translate_simulate_exception_parameter(self):
'''
Tests the :mod:`buildingspy.simulate.Simulator.translate` and
the :mod:`buildingspy.simulate.Simulator.simulate_translated`
method.
This tests whether an exception is thrown if
one attempts to change a parameter that is fixed after compilation
'''
import numpy as np
from buildingspy.io.outputfile import Reader
s = Simulator("MyModelicaLibrary.Examples.ParameterEvaluation",
"dymola",
packagePath=self._packagePath)
s.translate()
s.setSolver("dassl")
desired_value = 0.2
s.addParameters({'x': desired_value})
# Simulate the model with new parameter and check in the output file
# whether the parameter is really set.
# Dymola 2016 FD01 sets it correctly, but Dymola 2016 does not.
try:
s.simulate_translated()
# No exception. Check results
actual_res = Reader(os.path.join(".", 'ParameterEvaluation.mat'),
'dymola')
(_, y) = actual_res.values('x')
(_, n) = actual_res.values('n')
np.testing.assert_allclose(y[0], desired_value)
np.testing.assert_allclose(n[0], 5)
except IOError as e:
# An IOError was raised. Make sure it is raised by simulate_translated
print(("Caught IOError with message '{}'".format(e)))
self.assertRaises(IOError, s.simulate_translated)
# clean up translate temporary dir
s.deleteTranslateDirectory()
# Delete output files
s.deleteOutputFiles()
s.deleteLogFiles()
# This is called to clean up after an exception in simulate_translated().
s.deleteSimulateDirectory()
