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advectionDiffusionPatchDistMethod: Only run the predictor method on first call

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Improves efficiency for moving-mesh cases
This commit is contained in:
Henry
2015-01-09 22:05:32 +00:00
parent 5dff7076ce
commit 8ac29612de
2 changed files with 12 additions and 3 deletions
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12
src/finiteVolume/fvMesh/wallDist/patchDistMethods/advectionDiffusion/advectionDiffusionPatchDistMethod.C
View File

@ -68,7 +68,8 @@ Foam::patchDistMethods::advectionDiffusion::advectionDiffusion
), ),
epsilon_(coeffs_.lookupOrDefault<scalar>("epsilon", 0.1)), epsilon_(coeffs_.lookupOrDefault<scalar>("epsilon", 0.1)),
tolerance_(coeffs_.lookupOrDefault<scalar>("tolerance", 1e-3)), tolerance_(coeffs_.lookupOrDefault<scalar>("tolerance", 1e-3)),
maxIter_(coeffs_.lookupOrDefault<int>("maxIter", 10)) maxIter_(coeffs_.lookupOrDefault<int>("maxIter", 10)),
predicted_(false)
{} {}
@ -86,7 +87,11 @@ bool Foam::patchDistMethods::advectionDiffusion::correct
volVectorField& n volVectorField& n
) )
{ {
pdmPredictor_->correct(y); if (!predicted_)
{
pdmPredictor_->correct(y);
predicted_ = true;
}
volVectorField ny volVectorField ny
( (
@ -97,7 +102,7 @@ bool Foam::patchDistMethods::advectionDiffusion::correct
mesh_ mesh_
), ),
mesh_, mesh_,
dimensionedVector("nWall", dimless, vector::zero), dimensionedVector("ny", dimless, vector::zero),
patchTypes<vector>(mesh_, patchIDs_) patchTypes<vector>(mesh_, patchIDs_)
); );
@ -133,6 +138,7 @@ bool Foam::patchDistMethods::advectionDiffusion::correct
yEqn.relax(); yEqn.relax();
initialResidual = yEqn.solve().initialResidual(); initialResidual = yEqn.solve().initialResidual();
} while (initialResidual > tolerance_ && ++iter < maxIter_); } while (initialResidual > tolerance_ && ++iter < maxIter_);
// Only calculate n if the field is defined // Only calculate n if the field is defined

3
src/finiteVolume/fvMesh/wallDist/patchDistMethods/advectionDiffusion/advectionDiffusionPatchDistMethod.H
View File

@ -162,6 +162,9 @@ class advectionDiffusion
// to correct the distance-to-patch and normal-to-patch fields // to correct the distance-to-patch and normal-to-patch fields
int maxIter_; int maxIter_;
//- Flag to indicate the predictor step has been executed
bool predicted_;
// Private Member Functions // Private Member Functions