def run(self, the_number_iterations=5):
"""
Runs the solver execution
The fvSolution dictionary must be manually edited before calling this function
(see comments for createFvSolutionDict)
"""
pRes = [] # initial pressure residual
uRes = [] # initial velocity residual
it = []
iteration = []
iteration.append(0)
for i in xrange(the_number_iterations):
i += iteration[0]
it.append(i)
self.solver.step()
pRes.append(self.solver.pressureRes())
uRes.append(self.solver.velocityRes())
pResTpl = tuple(pRes)
uResTpl = tuple(uRes)
self.run_time.writeNow()
print_d("runTime.value() = %g" % (self.run_time.value()))
self.post_processor.process(self.run_time.value())
pass
iteration[0] += the_number_iterations
return True
def __init__(self, the_case_dir, the_post_processor=None):
"""
Constructs instance of this class
"""
import os, os.path
# To identify the canonical pathes of the specified filenames,
# eliminating any symbolic links encountered in the pathes
the_case_dir = os.path.realpath(the_case_dir)
# Definiton of the "root" and OpenFOAM "case"
a_root_dir, a_case = os.path.split(the_case_dir)
print_d('a_root_dir = "%s", a_case = "%s"' % (a_root_dir, a_case))
a_controlDict = self._createControlDict()
# Create time - without reading controlDict from file
# Note - controlDict not written to file using this method
self.run_time = ref.Time(a_controlDict, ref.fileName(a_root_dir), ref.fileName(a_case))
print_d("self.run_time.caseConstant() = %s" % self.run_time.caseConstant())
# Create transport properties
self.transportProperties = ref.IOdictionary(
ref.IOobject(
ref.word("transportProperties"),
self.run_time.caseConstant(),
self.run_time,
ref.IOobject.NO_READ,
ref.IOobject.NO_WRITE,
)
)
nu = ref.dimensionedScalar(ref.word("nu"), ref.dimensionSet(0.0, 2.0, -1.0, 0.0, 0.0, 0.0, 0.0), 1e-6)
self.transportProperties.add(ref.word("nu"), nu)
# Create fvSchemes and fvSolution dictionaries
fvSchemesDict = self._createFvSchemesDict()
fvSoln = self._createFvSolution()
# Write all dictionaries to file
# Note, we currently need fvSchemes and fvSolution to reside in the case directory
# since it is used during the solution... so we now write them to file
self.run_time.writeNow()
# Clean up unused variables
fvSchemesDict = 0
fvSoln = 0
# Create mesh
self.mesh, self.patches = self._createFvMesh()
# mesh.write()
# Create pressure field
pPatchTypes = pyWordList(["zeroGradient", "fixedValue", "fixedValue", "zeroGradient"])
a_value = ref.dimensionedScalar(ref.word(), ref.dimensionSet(0.0, 2.0, -2.0, 0.0, 0.0, 0.0, 0.0), 101.325)
self.p = ref.volScalarField(
ref.IOobject(
ref.word("p"),
ref.fileName(self.run_time.timeName()),
self.mesh,
ref.IOobject.NO_READ,
ref.IOobject.AUTO_WRITE,
),
self.mesh,
a_value,
pPatchTypes,
)
self.p.ext_boundaryField()[1] << 101.325
self.p.ext_boundaryField()[2] << 101.325
# Create velocity field
UPatchTypes = pyWordList(["fixedValue", "zeroGradient", "zeroGradient", "fixedValue"])
a_value = ref.dimensionedVector(
ref.word(), ref.dimensionSet(0.0, 1.0, -1.0, 0.0, 0.0, 0.0, 0.0), ref.vector(0.0, 0.0, 0.0)
)
self.U = ref.volVectorField(
ref.IOobject(
ref.word("U"),
ref.fileName(self.run_time.timeName()),
self.mesh,
ref.IOobject.NO_READ,
ref.IOobject.AUTO_WRITE,
),
self.mesh,
a_value,
UPatchTypes,
)
self.U.ext_boundaryField()[0] << ref.vector(0.0, 0.1, 0.0)
self.U.ext_boundaryField()[3] << ref.vector(0.0, 0.0, 0.0)
self.phi = ref.createPhi(self.run_time, self.mesh, self.U)
# Write all dictionaries to file
self.run_time.writeNow()
# Define the post processor engine
if the_post_processor == None:
the_post_processor = TDummyPostProcessor
pass
# Construction of the post processor engine
self.post_processor = the_post_processor(the_case_dir, a_case)
# To dump controlDict to be able to run "foamToVTK" utility
self._writeControlDict(a_controlDict)
# Post processing of the first step
self.post_processor.process(self.run_time.value())
# Initialization of the engine
self.solver = icoFoam(self.run_time, self.U, self.p, self.phi, self.transportProperties)
pass
