Beispiel #1
0
flowFields = models.FlowFields('flow')

fmodel = models.FlowModelA(geomFields, flowFields, meshes)

## set bc for top to be a wall with x velocity
bc3 = fmodel.getBCMap()[3]
bc3.bcType = 'NoSlipWall'
bc3.setVar('specifiedXVelocity', 1)

## set viscosity and density, this is done per mesh since each mesh has its own VC object
vcMap = fmodel.getVCMap()
for vc in vcMap.values():
    vc.setVar('density', 1.0)
    vc.setVar('viscosity', 1.0)

momSolver = fvmbaseExt.AMG()
momSolver.relativeTolerance = 1e-1
momSolver.nMaxIterations = 20
momSolver.maxCoarseLevels = 20
momSolver.verbosity = 0

contSolver = fvmbaseExt.AMG()
contSolver.relativeTolerance = 1e-1
contSolver.nMaxIterations = 20
contSolver.verbosity = 0
contSolver.maxCoarseLevels = 20

foptions = fmodel.getOptions()

foptions.momentumLinearSolver = momSolver
foptions.pressureLinearSolver = contSolver
Beispiel #2
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geomFields =  models.GeomFields('geom')
metricsCalculator = models.MeshMetricsCalculatorA(geomFields,meshes)

metricsCalculator.init()

if atype == 'tangent':
    metricsCalculator.setTangentCoords(0,7,1)

flowFields =  models.FlowFields('flow')

fmodel = models.FlowModelA(geomFields,flowFields,meshes)

reader.importFlowBCs(fmodel)
#fmodel.printBCs()

momSolver = fvmbaseExt.AMG()
momSolver.relativeTolerance = 1e-1
#momSolver.nMaxIterations = 20
#momSolver.maxCoarseLevels=20
momSolver.verbosity=0

#contSolver = fvmbaseExt.AMG()
pc = fvmbaseExt.AMG()
pc.verbosity=0
contSolver = fvmbaseExt.BCGStab()
contSolver.preconditioner = pc
contSolver.relativeTolerance = 1e-1
contSolver.nMaxIterations = 20
contSolver.verbosity=0
#contSolver.maxCoarseLevels=20
Beispiel #3
0
## set bc for top to be at 400
bc3 = tmodel.getBCMap()[3]
bc3.bcType = 'SpecifiedTemperature'
bc3.setVar('specifiedTemperature', 300)

bc4 = tmodel.getBCMap()[4]
bc4.bcType = 'SpecifiedTemperature'
bc4.setVar('specifiedTemperature', 400)

## set viscosity and density, this is done per mesh since each mesh has its own VC object
#vcMap = tmodel.getVCMap()
#for vc in vcMap.values():
#    vc.setVar('density',1.0)
#    vc.setVar('thermalConductivity',1.0)

tSolver = fvmbaseExt.AMG()
tSolver.relativeTolerance = 1e-6
tSolver.nMaxIterations = 20
tSolver.maxCoarseLevels = 20
tSolver.verbosity = 1

toptions = tmodel.getOptions()

toptions.linearSolver = tSolver

#import debug
tmodel.init()
tmodel.advance(1)

dumpTecplotFile(nmesh, meshes)
Beispiel #4
0
geomFields = models.GeomFields('geom')
metricsCalculator = models.MeshMetricsCalculatorA(geomFields, meshes)

metricsCalculator.init()

if atype == 'tangent':
    metricsCalculator.setTangentCoords(0, 7, 1)

flowFields = models.FlowFields('flow')

fmodel = models.FlowModelA(geomFields, flowFields, meshes)

reader.importFlowBCs(fmodel)

pc = fvmbaseExt.AMG()
pc.verbosity = 0
cSolver = fvmbaseExt.BCGStab()
cSolver.preconditioner = pc
#cSolver=pc
pc.maxCoarseLevels = 0
cSolver.relativeTolerance = 1e-6
cSolver.nMaxIterations = 20
cSolver.verbosity = 1

foptions = fmodel.getOptions()

foptions.coupledLinearSolver = cSolver

foptions.momentumTolerance = 1e-3
foptions.continuityTolerance = 1e-3