zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

driftFluxFoam: separate advection and diffusion for predictor-corrector MULES to reduce operator-splitting error

Browse Source
This commit is contained in:
Henry
2014-10-13 21:12:51 +01:00
committed by Andrew Heather
parent 36662d0e48
commit fd5a14decb
2 changed files with 2 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
applications/solvers/multiphase/driftFluxFoam/alphaEqn.H
View File

@ -19,16 +19,7 @@
).fvmDiv(phi, alpha1) ).fvmDiv(phi, alpha1)
); );
solve solve(alpha1Eqn);
(
alpha1Eqn
- fv::gaussLaplacianScheme<scalar, scalar>
(
mesh,
linear<scalar>(mesh),
fv::uncorrectedSnGrad<scalar>(mesh)
).fvmLaplacian(fvc::interpolate(turbulence->nut()), alpha1)
);
Info<< "Phase-1 volume fraction = " Info<< "Phase-1 volume fraction = "
<< alpha1.weightedAverage(mesh.Vsc()).value() << alpha1.weightedAverage(mesh.Vsc()).value()
@ -42,6 +33,7 @@
if (alphaApplyPrevCorr && tphiAlphaCorr0.valid()) if (alphaApplyPrevCorr && tphiAlphaCorr0.valid())
{ {
Info<< "Applying the previous iteration correction flux" << endl; Info<< "Applying the previous iteration correction flux" << endl;
#ifdef LTSSOLVE #ifdef LTSSOLVE
MULES::LTScorrect MULES::LTScorrect
( (

1
applications/solvers/multiphase/driftFluxFoam/alphaEqnSubCycle.H
View File

@ -50,7 +50,6 @@
// Apply the diffusion term separately to allow implicit solution // Apply the diffusion term separately to allow implicit solution
// and boundedness of the explicit advection // and boundedness of the explicit advection
if (!MULESCorr)
{ {
fvScalarMatrix alpha1Eqn fvScalarMatrix alpha1Eqn
( (