/
test.py
executable file
·1664 lines (1414 loc) · 47.6 KB
/
test.py
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#!/usr/bin/env python3
# ASCEND modelling environment
# Copyright (C) 2006, 2007 Carnegie Mellon University
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This script gives a test suite for the high-level interface of ASCEND via
# Python. It is also planned to be a wrapper for the CUnit test suite, although
# this is still experimental.
import unittest
import os, sys
from pathlib import Path
import math
import atexit
import platform
if platform.system() != "Windows":
try:
import os
_dlflags = os.RTLD_GLOBAL|os.RTLD_NOW
except:
# On platforms that unilaterally refuse to provide the 'dl' module
# we'll just set the value and see if it works.
print("Note: python 'dl' module not available on this system, guessing value of RTLD_* flags")
_dlflags = 258
sys.setdlopenflags(_dlflags)
class Ascend(unittest.TestCase):
def setUp(self):
import ascpy
self.L = ascpy.Library()
def tearDown(self):
self.L.clear()
del self.L
class AscendSelfTester(Ascend):
def _run(self,modelname,solvername="QRSlv",filename=None,parameters={}):
if filename==None:
filename = 'johnpye/%s.a4c' % modelname
self.L.load(filename)
T = self.L.findType(modelname)
M = T.getSimulation('sim',True)
M.setSolver(ascpy.Solver(solvername))
for k,v in list(parameters.items()):
M.setParameter(k,v)
M.solve(ascpy.Solver(solvername),ascpy.SolverReporter())
M.run(T.getMethod('self_test'))
return M
class TestCompiler(Ascend):
def _run(self,filen,modeln=""):
self.L.load('test/compiler/%s.a4c' % filen)
T = self.L.findType('%s%s' % (filen,modeln))
M = T.getSimulation('sim',1)
M.build()
def _runfail(self,filen,n,msg="failed"):
try:
self._run(filen,'fail%d' % n)
except Exception as e:
print("(EXPECTED) ERROR: %s" % e)
return
self.fail(msg)
def testloading(self):
"""library startup"""
pass
def testsystema4l(self):
"""loading system.a4l?"""
self.L.load('system.a4l')
def testatomsa4l(self):
"""loading atoms.a4l?"""
self.L.load('atoms.a4l')
def testmissingreq(self):
"""flagging a missing REQUIRE"""
self._runfail('missingreq',1)
def testmissingsubreq(self):
"""flagging a subsidiary missing REQUIRE"""
self._runfail('missingreq',1)
def defaultmethodstest(self,modelname):
self.L.load("test/defaultmethods.a4c")
T = self.L.findType(modelname)
M = T.getSimulation('sim',True)
M.run(T.getMethod('on_load'))
M.run(T.getMethod('self_test'))
return M
def testdefault1(self):
self.defaultmethodstest('testdefault1')
def testdefault2(self):
self.defaultmethodstest('testdefault2')
def testdefault3(self):
self.defaultmethodstest('testdefault3')
def testdefault4(self):
self.defaultmethodstest('testdefault4')
def testdefault5(self):
self.defaultmethodstest('testdefault5')
def testdefault6(self):
self.defaultmethodstest('testdefault6')
def testdefault7(self):
self.defaultmethodstest('testdefault7')
def testdefault8(self):
self.defaultmethodstest('testdefault8')
def testdefault9(self):
self.defaultmethodstest('testdefault9')
def testdefault10(self):
self.defaultmethodstest('testdefault10')
def testdefault11(self):
self.defaultmethodstest('testdefault11')
def testdefault12(self):
self.defaultmethodstest('testdefault12')
def testdefault13(self):
self.defaultmethodstest('testdefault13')
def testdefault14(self):
self.defaultmethodstest('testdefault14')
def testdefault15(self):
self.defaultmethodstest('testdefault15')
def testdefault16(self):
self.defaultmethodstest('testdefault16')
def testdefault17(self):
self.defaultmethodstest('testdefault17')
def testdefault18(self):
self.defaultmethodstest('testdefault18')
def testdefault19(self):
self.defaultmethodstest('testdefault19')
#def testdefault19fail(self):
# self.defaultmethodstest('testdefault19fail')
def testdefault20(self):
self.defaultmethodstest('testdefault20')
#def testdefault20fail(self):
# self.defaultmethodstest('testdefault20fail')
class TestSystem(AscendSelfTester):
def testwritegraph(self):
M = self._run('testlog10')
M.run(self.L.findType('testlog10').getMethod('on_load'))
if platform.system!="Windows":
M.write('temp.png',"dot")
assert Path('temp.png').exists()
else:
self.fail("not implemented on windows")
class TestSolver(AscendSelfTester):
def testlog10(self):
M = self._run('testlog10')
def testrootsofpoly(self):
self._run('roots_of_poly',filename="roots_of_poly.a4c")
def testcollapsingcan(self):
self._run('collapsingcan',filename="collapsingcan.a4c")
def testdistancecalc(self):
self._run('distance_calc',filename="distance_calc.a4c")
def testconopt(self):
self._run('conopttest',"CONOPT",filename="test/conopt/conopttest.a4c")
def testcmslv2(self):
self._run('testcmslv2',"CMSlv")
def testsunpos1(self):
self._run('example_1_6_1',"QRSlv","johnpye/sunpos_db.a4c")
def testsunpos2(self):
self._run('example_1_6_2a',"QRSlv","johnpye/sunpos_db.a4c")
def testsunpos2(self):
self._run('example_1_6_2b',"QRSlv","johnpye/sunpos_db.a4c")
def testsunpos2(self):
self._run('example_1_6_3',"QRSlv","johnpye/sunpos_db.a4c")
def testsunpos3(self):
self._run('example_1_8_1',"QRSlv","johnpye/sunpos_db.a4c")
def testsunpos4(self):
self._run('example_1_8_2',"QRSlv","johnpye/sunpos_db.a4c")
def testsunpos5(self):
self._run('example_1_8_3',"QRSlv","johnpye/sunpos_db.a4c")
def testinstanceas(self):
M = self._run('example_1_6_1',"QRSlv","johnpye/sunpos_db.a4c")
self.assertAlmostEqual( float(M.t_solar), M.t_solar.to("s"))
self.assertAlmostEqual( float(M.t_solar)/3600, M.t_solar.to("h"))
def testrelinclude(self):
self.L.load('test/relinclude.a4c')
T = self.L.findType('relinclude')
M = T.getSimulation('sim',True)
M.eq1.setIncluded(True)
M.eq2.setIncluded(False)
M.eq3.setIncluded(False)
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
self.assertAlmostEqual( float(M.z), 2.0)
M.eq1.setIncluded(False)
M.eq2.setIncluded(True)
M.eq3.setIncluded(False)
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
self.assertAlmostEqual( float(M.z), 4.0)
M.eq1.setIncluded(False)
M.eq2.setIncluded(False)
M.eq3.setIncluded(True)
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
self.assertAlmostEqual( float(M.z), 4.61043629206)
class TestBinTokens(AscendSelfTester):
def test1(self):
ascpy.getCompiler().setBinaryCompilation(True)
self.L.load('johnpye/testlog10.a4c')
T = self.L.findType('testlog10')
M = T.getSimulation('sim',True)
M.build()
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
class TestLRSlv(AscendSelfTester):
def testonerel(self):
self._run('onerel',"LRSlv","test/lrslv/onerel.a4c")
# need to migrate to 'FIX boolvar', currently not supported...
# def testonerel(self):
# self._run('onerel',"LRSlv","test/lrslv/onerel.a4c")
def testsequencecrash(self):
try:
self._run('onerel',"LRSlv","test/lrslv/sequencecrash.a4c")
except:
pass
# it just has to not crash, that's all
def testsequence(self):
self._run('onerel',"LRSlv","test/lrslv/sequence.a4c")
class TestCMSlv(AscendSelfTester):
def testsonic(self):
M = self._run('sonic',"CMSlv","sonic.a4c")
assert(M.sonic_flow.getBoolValue())
# other side of boundary...
M.D.setRealValueWithUnits(4.,"cm")
T = self.L.findType('sonic')
M.solve(ascpy.Solver('CMSlv'),ascpy.SolverReporter())
M.run(T.getMethod('self_test'))
assert(not M.sonic_flow.getBoolValue())
def testheatex(self):
self._run('heatex',"CMSlv","heatex.a4c")
def testphaseeq(self):
self._run('phaseq',"CMSlv","phaseq.a4c")
def testpipeline(self):
self._run('pipeline',"CMSlv","pipeline.a4c"
,{'infinity':3.2e9}
)
def testrachford(self):
self._run('rachford',"CMSlv","rachford.a4c")
def testlinmassbal(self):
self._run('linmassbal',"CMSlv","linmassbal.a4c")
class TestMatrix(AscendSelfTester):
def testlog10(self):
M = self._run('testlog10')
print("FETCHING MATRIX.................")
X = M.getMatrix()
# this stuff crashes Windows because the FILE* structure used by Python is not the same
# as used by MinGW...
#print "GOT MATRIX"
#sys.stderr.flush()
#sys.stdout.flush()
#F = os.tmpfile()
#X.write(F.fileno,"mmio")
#F.seek(0)
#print F.read()
class TestIntegrator(Ascend):
def testListIntegrators(self):
I = ascpy.Integrator.getEngines()
s1 = sorted([str(i) for i in I])
assert 'IDA' in s1
assert 'LSODE' in s1
# this routine is reused by both testIDA and testLSODE
def _testIntegrator(self,integratorname):
self.L.load('johnpye/shm.a4c')
M = self.L.findType('shm').getSimulation('sim',True)
M.setSolver(ascpy.Solver('QRSlv'))
P = M.getParameters()
M.setParameter('feastol',1e-12)
print(M.getChildren())
assert float(M.x) == 10.0
assert float(M.v) == 0.0
t_end = math.pi
I = ascpy.Integrator(M)
I.setReporter(ascpy.IntegratorReporterNull(I))
I.setEngine(integratorname);
I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100);
I.setMinSubStep(0.0001); # these limits are required by IDA at present (numeric diff)
I.setMaxSubStep(0.1);
I.setInitialSubStep(0.001);
I.setMaxSubSteps(200);
if(integratorname=='IDA'):
I.setParameter('autodiff',False)
for p in M.getParameters():
print(p.getName(),"=",p.getValue())
I.analyse();
I.solve();
print("At end of simulation,")
print("x = %f" % M.x)
print("v = %f" % M.v)
assert abs(float(M.x) + 10) < 1e-2
assert abs(float(M.v)) < 1e-2
assert I.getNumObservedVars() == 3
def testInvalidIntegrator(self):
self.L.load('johnpye/shm.a4c')
M = self.L.findType('shm').getSimulation('sim',True)
M.setSolver(ascpy.Solver('QRSlv'))
I = ascpy.Integrator(M)
try:
I.setEngine('___NONEXISTENT____')
except IndexError:
return
self.fail("setEngine did not raise error!")
def testLSODE(self):
self._testIntegrator('LSODE')
def testIDA(self):
self._testIntegrator('IDA')
def testparameters(self):
self.L.load('johnpye/shm.a4c')
M = self.L.findType('shm').getSimulation('sim',True)
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
P = I.getParameters()
for p in P:
print(p.getName(),"=",p.getValue())
assert len(P)==12
assert P[0].isStr()
assert P[0].getName()=="linsolver"
assert P[0].getValue()=='DENSE'
assert P[2].getName()=="maxord"
assert P[3].getName()=="autodiff"
assert P[3].getValue()==True
assert P[8].getName()=="atolvect"
assert P[8].getBoolValue() == True
P[3].setBoolValue(False)
assert P[3].getBoolValue()==False
I.setParameters(P)
assert I.getParameterValue('autodiff')==False
I.setParameter('autodiff',True)
try:
v = I.getParameterValue('nonexist')
except KeyError:
pass
else:
self.fail('Failed to trip invalid Integrator parameter')
class TestLSODE(Ascend):
def testzill(self):
self.L.load('johnpye/zill.a4c')
T = self.L.findType('zill')
M = T.getSimulation('sim',True)
M.setSolver(ascpy.Solver('QRSlv'))
I = ascpy.Integrator(M)
I.setEngine('LSODE')
I.setMinSubStep(1e-7)
I.setMaxSubStep(0.001)
I.setMaxSubSteps(10000)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5)
I.analyse()
I.solve()
M.run(T.getMethod('self_test'))
def testnewton(self):
sys.stderr.write("STARTING TESTNEWTON\n")
self.L.load('johnpye/newton.a4c')
T = self.L.findType('newton')
M = T.getSimulation('sim',True)
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
I = ascpy.Integrator(M)
I.setEngine('LSODE')
I.setParameter('rtolvect',False)
I.setParameter('rtol',1e-7)
I.setParameter('atolvect',False)
I.setParameter('atol',1e-7)
I.setMinSubStep(1e-7)
I.setMaxSubStep(0.001)
I.setMaxSubSteps(10000)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2)
I.analyse()
I.solve()
print("At end of simulation,")
print("x = %f" % M.x)
print("v = %f" % M.v)
M.run(T.getMethod('self_test'))
def testlotka(self):
self.L.load('johnpye/lotka.a4c')
M = self.L.findType('lotka').getSimulation('sim',True)
M.setSolver(ascpy.Solver("QRSlv"))
I = ascpy.Integrator(M)
I.setEngine('LSODE')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5)
I.analyse()
print("Number of vars = %d" % I.getNumVars())
assert I.getNumVars()==2
I.solve()
assert I.getNumObservedVars() == 3;
assert abs(M.R - 832) < 1.0
assert abs(M.F - 21.36) < 0.1
def testwritegraph(self):
self.L.load('johnpye/lotka.a4c')
M = self.L.findType('lotka').getSimulation('sim',1)
M.build()
M.write('lotka.png',"dot")
#-------------------------------------------------------------------------------
# Testing of a external blackbox functions
class TestBlackBox(AscendSelfTester):
def testparsefail0(self):
try:
self.L.load('test/blackbox/parsefail0.a4c')
self.fail("parsefail0 should not have loaded without errors")
except:
pass
def testparsefail1(self):
try:
self.L.load('test/blackbox/parsefail1.a4c')
self.fail("parsefail1 should not have loaded without errors")
except:
pass
def testparsefail2(self):
try:
self.L.load('test/blackbox/parsefail2.a4c')
self.fail("parsefail2 should not have loaded without errors")
except:
pass
def testparsefail3(self):
try:
self.L.load('test/blackbox/parsefail3.a4c')
self.fail("parsefail3 should not have loaded without errors")
except:
pass
def testparsefail4(self):
try:
self.L.load('test/blackbox/parsefail4.a4c')
self.fail("parsefail4 should not have loaded")
except:
pass
def testfail1(self):
"""Mismatched arg counts check-- tests bbox, not ascend."""
self.L.load('test/blackbox/fail1.a4c')
try:
M = self.L.findType('fail1').getSimulation('sim',True)
self.fail("expected exception was not raised")
except RuntimeError as e:
print("Caught exception '%s', assumed ok" % e)
def testfail2(self):
"""Incorrect data arg check -- tests bbox, not ascend"""
self.L.load('test/blackbox/fail2.a4c')
try:
M = self.L.findType('fail2').getSimulation('sim',True)
self.fail("expected exception was not raised")
except RuntimeError as e:
print("Caught exception '%s', assumed ok (should mention errors during instantiation)" % e)
def testpass1(self):
"""simple single bbox forward solve"""
M = self._run('pass1',filename='test/blackbox/pass.a4c')
def testpass2(self):
"""simple single bbox reverse solve"""
M = self._run('pass2',filename='test/blackbox/pass.a4c')
def testpass3(self):
"""simple double bbox solve"""
M = self._run('pass3',filename='test/blackbox/pass3.a4c')
def testpass4(self):
"""simple double bbox reverse solve"""
M = self._run('pass4',filename='test/blackbox/pass3.a4c')
def testpass5(self):
M = self._run('pass5',filename='test/blackbox/pass5.a4c')
def testpass6(self):
M = self._run('pass6',filename='test/blackbox/pass5.a4c')
def testpass7(self):
M = self._run('pass7',filename='test/blackbox/passmerge.a4c')
def testpass8(self):
M = self._run('pass8',filename='test/blackbox/passmerge.a4c')
def testpass9(self):
M = self._run('pass9',filename='test/blackbox/passmerge.a4c')
def testpass10(self):
M = self._run('pass10',filename='test/blackbox/passmerge.a4c')
def testpass11(self):
M = self._run('pass11',filename='test/blackbox/passmerge.a4c')
def testpass12(self):
M = self._run('pass12',filename='test/blackbox/passmerge.a4c')
# this test doesn't work: 'system is inconsistent' -- and structurally singular
# def testpass13(self):
# """cross-merged input/output solve"""
# M = self._run('pass13',filename='test/blackbox/passmerge.a4c')
def testpass14(self):
"""cross-merged input/output reverse solve"""
M = self._run('pass14',filename='test/blackbox/passmerge.a4c')
def testpass20(self):
M = self._run('pass20',filename='test/blackbox/passarray.a4c')
def testparsefail21(self):
"""dense array of black boxes wrong syntax"""
try:
self.L.load('test/blackbox/parsefail21.a4c')
self.fail("parsefail21 should not have loaded without errors")
except:
pass
def testpass22(self):
M = self._run('pass22',filename='test/blackbox/passarray.a4c')
def testpass23(self):
M = self._run('pass23',filename='test/blackbox/passarray.a4c')
def testpass61(self):
M = self._run('pass61',filename='test/blackbox/reinstantiate.a4c')
def testpass62(self):
M = self._run('pass62',filename='test/blackbox/reinstantiate.a4c')
def testpass64(self):
M = self._run('pass64',filename='test/blackbox/reinstantiate.a4c')
def testpass65(self):
M = self._run('pass65',filename='test/blackbox/reinstantiate.a4c')
def testpass66(self):
M = self._run('pass66',filename='test/blackbox/reinstantiate.a4c')
def testpass67(self):
M = self._run('pass67',filename='test/blackbox/reinstantiate.a4c')
class TestExtFn(AscendSelfTester):
def testextfntest(self):
M = self._run('extfntest',filename='johnpye/extfn/extfntest.a4c')
self.assertAlmostEqual(M.y, 2);
self.assertAlmostEqual(M.x, 1);
self.assertAlmostEqual(M.y, M.x + 1);
def testextrelfor(self):
M = self._run('extrelfor',filename='johnpye/extfn/extrelfor.a4c')
## @TODO fix bug with badly-named bbox rel in a loop (Ben, maybe)
# def testextrelforbadnaming(self):
# self.L.load('johnpye/extfn/extrelforbadnaming.a4c')
# T = self.L.findType('extrelfor')
# M = T.getSimulation('sim')
# M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
# print "x[1] = %f" % M.x[1]
# print "x[2] = %f" % M.x[2]
# print "x[3] = %f" % M.x[3]
# print "x[4] = %f" % M.x[4]
# print "x[5] = %f" % M.x[5]
# M.run(T.getMethod('self_test'))
def testextrelrepeat(self):
M = self._run('extrelrepeat',filename='johnpye/extfn/extrelrepeat.a4c')
#-------------------------------------------------------------------------------
# Testing of Sensitivity module
class TestSensitivity(AscendSelfTester):
def test1(self):
self.L.load('sensitivity_test.a4c')
T = self.L.findType('sensitivity_test')
M = T.getSimulation('sim',False)
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
M.run(T.getMethod('analyse'))
M.run(T.getMethod('self_test'))
# def testall(self):
# self.L.load('sensitivity_test.a4c')
# T = self.L.findType('sensitivity_test_all')
# M = T.getSimulation('sim',False)
# M.run(T.getMethod('on_load'))
# M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
# M.run(T.getMethod('analyse'))
# M.run(T.getMethod('self_test'))
# CAUSES CRASH
#-------------------------------------------------------------------------------
# Testing of a ExtPy - external python methods
class TestExtPy(AscendSelfTester):
def test1(self):
self.L.load('johnpye/extpy/extpytest.a4c')
T = self.L.findType('extpytest')
M = T.getSimulation('sim',True)
M.run(T.getMethod('self_test'))
def test2(self):
self.L.load('johnpye/extpy/extpytest.a4c')
T = self.L.findType('extpytest')
M = T.getSimulation('sim',False)
M.run(T.getMethod('pythonthing'))
M.run(T.getMethod('pythonthing'))
M.run(T.getMethod('pythonthing'))
M.run(T.getMethod('pythonthing'))
M.run(T.getMethod('pythonthing'))
M.run(T.getMethod('pythonthing'))
M.run(T.getMethod('pythonthing'))
# causes crash!
#-------------------------------------------------------------------------------
# Testing of saturated steam properties library (iapwssatprops.a4c)
class TestSteam(AscendSelfTester):
def testiapwssatprops1(self):
M = self._run('testiapwssatprops1',filename='steam/iapwssatprops.a4c')
def testiapwssatprops2(self):
M = self._run('testiapwssatprops2',filename='steam/iapwssatprops.a4c')
def testiapwssatprops3(self):
M = self._run('testiapwssatprops3',filename='steam/iapwssatprops.a4c')
# test the stream model basically works
def testsatsteamstream(self):
M = self._run('satsteamstream',filename='steam/satsteamstream.a4c')
# test that we can solve in terms of various (rho,u)
def testsatuv(self):
self.L.load('steam/iapwssat.a4c')
T = self.L.findType('testiapwssatuv')
M = T.getSimulation('sim',False)
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
print("p = %f bar" % M.p.to('bar'));
print("T = %f C" % (M.T.to('K') - 273.15));
print("x = %f" % M.x);
M.run(T.getMethod('self_test'))
M.run(T.getMethod('values2'))
# M.v.setRealValueWithUnits(1.0/450,"m^3/kg");
# M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
print("p = %f bar" % M.p.to('bar'));
print("T = %f C" % (M.T.to('K') - 273.15));
print("x = %f" % M.x);
M.run(T.getMethod('self_test2'))
## @TODO fix error capture from bounds checking during initialisation
# def testiapwssat1(self):
# M = self._run('testiapwssat1',filename='steam/iapwssat.a4c')
def testdsgsat(self):
self.L.load('steam/dsgsat3.a4c')
T = self.L.findType('dsgsat3')
M = T.getSimulation('sim',False)
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
self.assertAlmostEqual(M.dTw_dt[2],0.0);
M.run(T.getMethod('configure_dynamic'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
return M
def testdsgsatrepeat(self):
self.L.load('steam/dsgsat3.a4c')
T = self.L.findType('dsgsat3')
M = T.getSimulation('sim',False)
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
def testvary(self):
self.L.load('steam/dsgsat3.a4c')
T = self.L.findType('dsgsat3')
M = T.getSimulation('sim',False)
M.run(T.getMethod('on_load'))
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
print("----- setting qdot_s -----")
M.qdot_s.setRealValueWithUnits(1000,"W/m")
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
print("----- setting qdot_s -----")
M.qdot_s.setRealValueWithUnits(2000,"W/m")
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
def teststeadylsode(self):
"test that steady conditions are stable with LSODE"
M = self.testdsgsat()
#M.qdot_s.setRealValueWithUnits(1000,"W/m")
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
#M.setParameter('
I = ascpy.Integrator(M)
I.setEngine('LSODE')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 3600, 10)
I.analyse()
I.solve()
# def testpeturblsode(self):
# "test that steady conditions are stable with LSODE"
# M = self.testdsgsat()
# # here is the peturbation...
# M.qdot_s.setRealValueWithUnits(1000,"W/m")
# M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
# I = ascpy.Integrator(M)
# I.setEngine('LSODE')
# I.setReporter(ascpy.IntegratorReporterConsole(I))
# I.setLinearTimesteps(ascpy.Units("s"), 0, 5, 1)
# I.analyse()
# I.solve()
def teststeadyida(self):
M = self.testdsgsat()
self.assertAlmostEqual(M.dTw_dt[2],0.0)
Tw1 = float(M.T_w[2])
T = self.L.findType('dsgsat3')
M.run(T.getMethod('free_states'))
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setParameter('linsolver','DENSE')
I.setParameter('safeeval',True)
I.setParameter('rtol',1e-4)
I.setParameter('atolvect',False)
I.setParameter('atol',1e-4)
I.setParameter('maxord',3)
I.setInitialSubStep(0.001)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 3600, 10)
I.analyse()
I.solve()
self.assertAlmostEqual(float(M.T_w[2]),Tw1)
M.qdot_s.setRealValueWithUnits(1000,"W/m")
self.assertAlmostEqual(M.qdot_s.to("W/m"),1000)
M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
print("dTw/dt = %f" % M.dTw_dt[2])
self.assertNotAlmostEqual(M.dTw_dt[2],0.0)
F=file('dsgsat.dot','w')
M.write(F,'dot')
def testpeturbida(self):
M = self.testdsgsat()
self.assertAlmostEqual(M.dTw_dt[2],0.0)
T = self.L.findType('dsgsat3')
M.run(T.getMethod('free_states'))
# here is the peturbation...
qdot_s = float(M.qdot_s)
print("OLD QDOT_S = %f" % qdot_s)
M.qdot_s.setRealValueWithUnits(6000,"W/m")
# IDA has its own initial conditions solver, so no need to call QRSlv here
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setParameter('linsolver','DENSE')
I.setReporter(ascpy.IntegratorReporterConsole(I))
#I.setLinearTimesteps(ascpy.Units("s"), 0,300,300)
I.setLogTimesteps(ascpy.Units("s"), 0.009, 1200, 150)
I.analyse()
F = file('ga.mm','w')
I.writeMatrix(F,'dg/dz')
F = file('gd.mm','w')
I.writeMatrix(F,'dg/dx')
F = file('fa.mm','w')
I.writeMatrix(F,'df/dz')
F = file('fd.mm','w')
I.writeMatrix(F,'df/dx')
F = file('fdp.mm','w')
I.writeMatrix(F,"df/dx'")
I.solve()
#-------------------------------------------------------------------------------
# Testing of freesteam external steam properties functions
with_freesteam = True
try:
# we assume that if the freesteam python module is installed, the ASCEND
# external library will also be.
import freesteam
have_freesteam = True
except ImportError as e:
have_freesteam = False
if with_freesteam and have_freesteam:
class TestFreesteam(AscendSelfTester):
# def testfreesteamtest(self):
# """run the self-test cases bundled with freesteam"""
# self._run('testfreesteam',filename='testfreesteam.a4c')
def testload(self):
"""check that we can load 'thermalequilibrium2' (IMPORT "freesteam", etc)"""
self.L.load('johnpye/thermalequilibrium2.a4c')
def testinstantiate(self):
"""load an instantiate 'thermalequilibrium2'"""
self.testload()
M = self.L.findType('thermalequilibrium2').getSimulation('sim')
return M
def testintegrate(self):
"""integrate transfer of heat from one mass of water/steam to another
according to Newton's law of cooling"""
M = self.testinstantiate()
M.setSolver(ascpy.Solver("QRSlv"))
I = ascpy.Integrator(M)
I.setEngine('LSODE')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 3000, 30)
I.setMinSubStep(0.01)
I.setInitialSubStep(1)
I.analyse()
print("Number of vars = %d" % I.getNumVars())
assert I.getNumVars()==2
I.solve()
assert I.getNumObservedVars() == 3;
print("S[1].T = %f K" % M.S[1].T)
print("S[2].T = %f K" % M.S[2].T)
print("Q = %f W" % M.Q)
self.assertAlmostEqual(float(M.S[1].T),506.77225109,4);
self.assertAlmostEqual(float(M.S[2].T),511.605173967,5);
self.assertAlmostEqual(float(M.Q),-48.32922877329,3);
self.assertAlmostEqual(float(M.t),3000);
print("Note that the above values have not been verified analytically")
def testcollapsingcan2(self):
""" solve the collapsing can model using IAPWS-IF97 steam props """
M = self._run("collapsingcan2",filename="collapsingcan2.a4c");
#-------------------------------------------------------------------------------
# Testing of the brent-solver EXTERNAL method
class TestBrent(AscendSelfTester):
def testbrent(self):
M = self._run('brent1',filename='test/brent.a4c')
#-------------------------------------------------------------------------------
# Testing of IDA's analysis module
class TestIDA(Ascend):
def _run(self,filen,modeln=""):
self.L.load('test/ida/%s.a4c' % filen)
T = self.L.findType('%s%s' % (filen,modeln))
M = T.getSimulation('sim')
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.analyse()
return M;
def _runfail(self,filen,n,msg="failed"):
try:
self._run(filen,'fail%d' % n)
except Exception as e:
print("(EXPECTED) ERROR: %s" % e)
return
self.fail(msg)
def testsinglederiv(self):
self._run('singlederiv')
def testsinglederivfail1(self):
self._runfail('singlederiv',1
,"t.ode_id=-1 did not trigger error")
def testsinglederivfail2(self):
self._runfail('singlederiv',2
,"dy_dt.ode_id=2 did not trigger error")
def testsinglederivfail3(self):
self._runfail('singlederiv',3
,"dy_dt.ode_type=3 did not trigger error")
def testsinglederivfail4(self):
self._runfail('singlederiv',4
,"duplicate ode_type=1 did not trigger error")
def testsinglederivfail5(self):
self._runfail('singlederiv',5
,"duplicate ode_type=1 did not trigger error")
def testsinglederivfail6(self):
self._runfail('singlederiv',6
,"duplicate ode_type=1 did not trigger error")
def testtwoderiv(self):
self._run('twoderiv')
def testtwoderivfail1(self):
self._runfail('twoderiv',1)
def testtwoderivfail2(self):
self._runfail('twoderiv',2)
def testtwoderivfail3(self):
self._runfail('twoderiv',3)
def testtwoderivfail4(self):
self._runfail('twoderiv',4)
def testtwoderivfail5(self):
self._runfail('twoderiv',5)
def testnoderivs(self):
self._runfail('noderivs',1)
def testnoindeps(self):
self._runfail('indeps',1)
def testtwoindeps(self):
self._runfail('indeps',2)
def testfixedvars(self):
self._run('fixedvars')
def testfixedvars1(self):
self._run('fixedvars',1)
# fails the index check
# def testfixedvars2(self):
# self._run('fixedvars',2)
# fails the index check
# def testfixedvars3(self):
# self._run('fixedvars',3)