def _testIntegrator(self,integratorname):
self.L.load('johnpye/shm.a4c')
M = self.L.findType('shm').getSimulation('sim',1)
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 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()
def testparameters(self):
self.L.load('johnpye/shm.a4c')
M = self.L.findType('shm').getSimulation('sim',1)
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')
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 testwritematrix2(self):
self.L.load('test/ida/writematrix.a4c')
T = self.L.findType('writematrix2')
M = T.getSimulation('sim')
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.analyse()
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 testindexproblem(self):
self.L.load('test/ida/indexproblem.a4c')
T = self.L.findType('indexproblem')
M = T.getSimulation('sim')
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.analyse()
pass
def testInvalidIntegrator(self):
self.L.load('johnpye/shm.a4c')
M = self.L.findType('shm').getSimulation('sim',1)
M.setSolver(ascpy.Solver('QRSlv'))
I = ascpy.Integrator(M)
try:
I.setEngine('___NONEXISTENT____')
except IndexError:
return
self.fail("setEngine did not raise error!")
def testindexproblem2(self):
self.L.load('test/ida/indexproblem.a4c')
T = self.L.findType('indexproblem2')
M = T.getSimulation('sim')
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
try:
I.analyse()
except Exception,e:
return
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 testlotka(self):
self.L.load('test/dopri5/dopri5test.a4c')
M = self.L.findType('dopri5test').getSimulation('sim')
M.setSolver(ascpy.Solver("QRSlv"))
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
I = ascpy.Integrator(M)
I.setEngine('DOPRI5')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 20)
I.setParameter('rtol',1e-8)
I.analyse()
assert I.getNumVars()==1
I.solve()
def testboundaries(self):
self.L.load('test/ida/boundaries.a4c')
T = self.L.findType('boundaries')
M = T.getSimulation('sim')
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.analyse()
I.setLogTimesteps(ascpy.Units("s"), 0.1, 20, 20)
I.setParameter('linsolver','DENSE')
I.setParameter('calcic','Y')
I.setParameter('linsolver','DENSE')
I.setParameter('safeeval',False)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.solve()
def __init__(self, browser, sim):
# create a new integrator straight away
self.integrator = ascpy.Integrator(sim)
self.engines = self.integrator.getEngines()
self.browser = browser
self.prefs = Preferences()
try:
self.integrator.findIndependentVar()
self.indepvar = self.integrator.getIndependentVariable()
except RuntimeError, e:
self.browser.reporter.reportNote(str(e))
self.indepvar = None
return
def testlotka(self):
self.L.load('johnpye/lotka.a4c')
M = self.L.findType('lotka').getSimulation('sim',1)
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 testzill(self):
self.L.load('johnpye/zill.a4c')
T = self.L.findType('zill')
M = T.getSimulation('sim',1)
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 testlotka(self):
self.L.load('johnpye/lotka.a4c')
M = self.L.findType('lotka').getSimulation('sim')
M.setSolver(ascpy.Solver("QRSlv"))
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5)
I.setParameter('rtol',1e-8)
I.analyse()
assert I.getNumVars()==2
assert abs(M.R - 1000) < 1e-300
I.solve()
assert I.getNumObservedVars() == 3
assert abs(M.R - 832) < 1.0
assert abs(M.F - 21.36) < 0.1
def testhires(self):
self.L.load('test/hires.a4c')
T = self.L.findType('hires')
M = T.getSimulation('sim')
M.setSolver(ascpy.Solver('QRSlv'))
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setParameter('linsolver','DENSE')
I.setParameter('rtol',1.1e-15)
I.setParameter('atolvect',0)
I.setParameter('atol',1.1e-15)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLogTimesteps(ascpy.Units(""), 1, 321.8122, 5)
I.setInitialSubStep(1e-5)
I.setMaxSubSteps(10000)
I.analyse()
I.solve()
for i in range(8):
print "y[%d] = %.20g" % (i+1, M.y[i+1])
M.run(T.getMethod('self_test'))
def testtransamp(self):
self.L.load('test/transamp.a4c')
T = self.L.findType('transamp')
M = T.getSimulation('sim')
M.setSolver(ascpy.Solver('QRSlv'))
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setParameter('linsolver','DENSE')
I.setParameter('rtol',1e-7)
I.setParameter('atolvect',0)
I.setParameter('atol',1e-7)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLinearTimesteps(ascpy.Units("s"), 0.05, 0.2, 20)
I.setInitialSubStep(0.00001)
I.setMaxSubSteps(10000)
I.analyse()
I.solve()
for i in range(6):
print "y[%d] = %.20g" % (i+1, M.y[i+1])
M.run(T.getMethod('self_test'))
def testdenxSPGMR(self):
self.L.load('johnpye/idadenx.a4c')
M = self.L.findType('idadenx').getSimulation('sim')
M.setSolver(ascpy.Solver('QRSlv'))
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11)
I.setMaxSubStep(0);
I.setInitialSubStep(0);
I.setMaxSubSteps(0);
I.setParameter('autodiff',True)
I.setParameter('linsolver','SPGMR')
I.setParameter('gsmodified',False)
I.setParameter('maxncf',10)
I.analyse()
I.solve()
assert abs(float(M.y1) - 5.1091e-08) < 1e-10
assert abs(float(M.y2) - 2.0437e-13) < 1e-15
assert abs(float(M.y3) - 1.0) < 1e-5
def testdenx(self):
print "-----------------------------====="
self.L.load('johnpye/idadenx.a4c')
M = self.L.findType('idadenx').getSimulation('sim')
M.setSolver(ascpy.Solver("QRSlv"))
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setParameter('calcic','YA_YDP')
I.setParameter('linsolver','DENSE')
I.setParameter('safeeval',True)
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11)
I.setMaxSubStep(0);
I.setInitialSubStep(0)
I.setMaxSubSteps(0)
I.setParameter('autodiff',True)
I.analyse()
I.solve()
assert abs(float(M.y1) - 5.1091e-08) < 2e-9
assert abs(float(M.y2) - 2.0437e-13) < 2e-14
assert abs(float(M.y3) - 1.0) < 1e-5
def testaren(self):
self.L.load('test/dopri5/aren.a4c')
M = self.L.findType('aren').getSimulation('sim')
M.setSolver(ascpy.Solver("QRSlv"))
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
I = ascpy.Integrator(M)
I.setEngine('DOPRI5')
I.setReporter(ascpy.IntegratorReporterConsole(I))
#xend = 17.0652165601579625588917206249
I.setLinearTimesteps(ascpy.Units("s"), 0, 17.0652165601579625588917206249, 10)
I.setParameter('rtol',1e-7)
I.setParameter('atol',1e-7)
I.setParameter('tolvect',False)
I.setMinSubStep(0);
I.setMaxSubStep(0);
I.setInitialSubStep(0);
I.analyse()
I.solve()
print "y[0] = %f" % float(M.y[0])
assert abs(float(M.y[0]) - 0.994) < 1e-5
assert abs(float(M.y[1]) - 0.0) < 1e-5
def testnewton(self):
sys.stderr.write("STARTING TESTNEWTON\n")
self.L.load('johnpye/newton.a4c')
T = self.L.findType('newton')
M = T.getSimulation('sim')
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setParameter('linsolver','DENSE')
I.setParameter('safeeval',True)
I.setParameter('rtol',1e-8)
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 testkryx(self):
self.L.load('johnpye/idakryx.a4c')
M = self.L.findType('idakryx').getSimulation('sim')
M.build()
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setReporter(ascpy.IntegratorReporterConsole(I))
I.setParameter('linsolver','SPGMR')
I.setParameter('prec','JACOBI')
I.setParameter('maxl',8)
I.setParameter('gsmodified',False)
I.setParameter('autodiff',True)
I.setParameter('gsmodified',True)
I.setParameter('rtol',0)
I.setParameter('atol',1e-3);
I.setParameter('atolvect',False)
I.setParameter('calcic','Y')
I.analyse()
I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10);
print M.udot[1][3]
I.solve()
assert 0
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"
import matplotlib as mpl
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as plt
## CODE BEGINS
lib = ascpy.Library()
lib.load('test/ida/leon/electron.a4c')
M = lib.findType('electron').getSimulation('sim')
M.setSolver(ascpy.Solver('QRSlv'))
P = M.getParameters()
I = ascpy.Integrator(M)
I.setEngine('IDA')
I.setLinearTimesteps(ascpy.Units("s"), 0.0, 40.0, 60)
I.setMinSubStep(0.0001)
I.setMaxSubStep(0.1)
I.setInitialSubStep(0.001)
I.setMaxSubSteps(200)
I.setParameter('autodiff', False)
I.analyse()
reporter = TReport.TestReporter(I)
I.setReporter(reporter)
I.solve()
x1 = []
