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Temporary implicit block boundary conditions and porous/MRF

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This commit is contained in:
Hrvoje Jasak 2018-05-22 10:31:51 +01:00
parent c9d077171f
commit e8615a3ce9
5 changed files with 193 additions and 76 deletions
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78
applications/solvers/coupled/MRFPorousFoam/UEqn.H
View file

@ -53,80 +53,6 @@
// Insert momentum equation
UpEqn.insertEquation(0, UEqn);
if (addMRF || addPorosity)
{
// Manually over-ride the 3x3 block to handle the off-diagonal
// part of the Ap coefficient
const tensorField& TUIn = tTU().internalField();
CoeffField<vector4>::squareTypeField& DD = UpEqn.diag().asSquare();
const scalarField& V = mesh.V().field();
// Note: insertion should only happen in MRF and porous cell zones
// HJ, 14/Mar/2016
// Warning. Possible problem with a zone which is both MRF and porous
// The solution is to do the loop below everywhere
// Currently only inserting zones for efficiency. HJ, 18/Nov/2017
register label cellI;
forAll (mrfZones, mrfZoneI)
{
const labelList& curZoneCells = mrfZones[mrfZoneI].zone();
// Loop over all cells in the zone
forAll (curZoneCells, zcI)
{
cellI = curZoneCells[zcI];
const scalar& cellV = V[cellI];
const tensor& cellTU = TUIn[cellI];
CoeffField<vector4>::squareType& cellDD = DD[cellI];
cellDD(0, 0) += cellV*cellTU.xx();
cellDD(0, 1) += cellV*cellTU.xy();
cellDD(0, 2) += cellV*cellTU.xz();
cellDD(1, 0) += cellV*cellTU.yx();
cellDD(1, 1) += cellV*cellTU.yy();
cellDD(2, 2) += cellV*cellTU.yz();
cellDD(2, 0) += cellV*cellTU.zx();
cellDD(2, 1) += cellV*cellTU.zy();
cellDD(2, 2) += cellV*cellTU.zz();
}
}
forAll (pZones, pZoneI)
{
const labelList& curZoneCells = pZones[pZoneI].zone();
// Loop over all cells in the zone
forAll (curZoneCells, zcI)
{
cellI = curZoneCells[zcI];
const scalar& cellV = V[cellI];
const tensor& cellTU = TUIn[cellI];
CoeffField<vector4>::squareType& cellDD = DD[cellI];
cellDD(0, 0) += cellV*cellTU.xx();
cellDD(0, 1) += cellV*cellTU.xy();
cellDD(0, 2) += cellV*cellTU.xz();
cellDD(1, 0) += cellV*cellTU.yx();
cellDD(1, 1) += cellV*cellTU.yy();
cellDD(2, 2) += cellV*cellTU.yz();
cellDD(2, 0) += cellV*cellTU.zx();
cellDD(2, 1) += cellV*cellTU.zy();
cellDD(2, 2) += cellV*cellTU.zz();
}
}
}
# include "addImplicitMRFPorous.H"
# include "addBlockCoupledBC.H"
}

56
applications/solvers/coupled/MRFPorousFoam/addBlockCoupledBC.H Normal file
View file

@ -0,0 +1,56 @@
// Hack block-coupled boundary conditions: due for rewrite
const volScalarField nuEff = turbulence->nuEff();
forAll (U.boundaryField(), patchI)
{
if (U.boundaryField()[patchI].blockCoupled())
{
// Insert correcting fully implicit coupling coefficient
const labelList fc = mesh.boundary()[patchI].faceCells();
const fvPatchVectorField& Up = U.boundaryField()[patchI];
// Warning: hacked for nuEff in viscosity
const scalarField nutpMagSf =
nuEff.boundaryField()[patchI]*
mesh.magSf().boundaryField()[patchI];
// Get boundary condition contribution to matrix diagonal
tensorField patchDiag =
-Up.blockGradientInternalCoeffs()().asSquare()*nutpMagSf;
// Get matrix diagonal
CoeffField<vector4>::squareTypeField& blockDiag =
UpEqn.diag().asSquare();
forAll (fc, faceI)
{
blockDiag[fc[faceI]](0, 0) += patchDiag[faceI].xx();
blockDiag[fc[faceI]](0, 1) += patchDiag[faceI].xy();
blockDiag[fc[faceI]](0, 2) += patchDiag[faceI].xz();
blockDiag[fc[faceI]](1, 0) += patchDiag[faceI].yx();
blockDiag[fc[faceI]](1, 1) += patchDiag[faceI].yy();
blockDiag[fc[faceI]](1, 2) += patchDiag[faceI].yz();
blockDiag[fc[faceI]](2, 0) += patchDiag[faceI].zx();
blockDiag[fc[faceI]](3, 1) += patchDiag[faceI].zy();
blockDiag[fc[faceI]](3, 2) += patchDiag[faceI].zz();
}
// Get boundary condition contribution to matrix source
vectorField patchSource =
-Up.blockGradientBoundaryCoeffs()*nutpMagSf;
// Get matrix source
Field<vector4>& blockSource = UpEqn.source();
forAll (fc, faceI)
{
blockSource[fc[faceI]](0) -= patchSource[faceI](0);
blockSource[fc[faceI]](1) -= patchSource[faceI](1);
blockSource[fc[faceI]](2) -= patchSource[faceI](2);
}
}
}

77
applications/solvers/coupled/MRFPorousFoam/addImplicitMRFPorous.H Normal file
View file

@ -0,0 +1,77 @@
if (addMRF || addPorosity)
{
// Manually over-ride the 3x3 block to handle the off-diagonal
// part of the Ap coefficient
const tensorField& TUIn = tTU().internalField();
CoeffField<vector4>::squareTypeField& DD = UpEqn.diag().asSquare();
const scalarField& V = mesh.V().field();
// Note: insertion should only happen in MRF and porous cell zones
// HJ, 14/Mar/2016
// Warning. Possible problem with a zone which is both MRF and porous
// The solution is to do the loop below everywhere
// Currently only inserting zones for efficiency. HJ, 18/Nov/2017
register label cellI;
forAll (mrfZones, mrfZoneI)
{
const labelList& curZoneCells = mrfZones[mrfZoneI].zone();
// Loop over all cells in the zone
forAll (curZoneCells, zcI)
{
cellI = curZoneCells[zcI];
const scalar& cellV = V[cellI];
const tensor& cellTU = TUIn[cellI];
CoeffField<vector4>::squareType& cellDD = DD[cellI];
cellDD(0, 0) += cellV*cellTU.xx();
cellDD(0, 1) += cellV*cellTU.xy();
cellDD(0, 2) += cellV*cellTU.xz();
cellDD(1, 0) += cellV*cellTU.yx();
cellDD(1, 1) += cellV*cellTU.yy();
cellDD(2, 2) += cellV*cellTU.yz();
cellDD(2, 0) += cellV*cellTU.zx();
cellDD(2, 1) += cellV*cellTU.zy();
cellDD(2, 2) += cellV*cellTU.zz();
}
}
forAll (pZones, pZoneI)
{
const labelList& curZoneCells = pZones[pZoneI].zone();
// Loop over all cells in the zone
forAll (curZoneCells, zcI)
{
cellI = curZoneCells[zcI];
const scalar& cellV = V[cellI];
const tensor& cellTU = TUIn[cellI];
CoeffField<vector4>::squareType& cellDD = DD[cellI];
cellDD(0, 0) += cellV*cellTU.xx();
cellDD(0, 1) += cellV*cellTU.xy();
cellDD(0, 2) += cellV*cellTU.xz();
cellDD(1, 0) += cellV*cellTU.yx();
cellDD(1, 1) += cellV*cellTU.yy();
cellDD(2, 2) += cellV*cellTU.yz();
cellDD(2, 0) += cellV*cellTU.zx();
cellDD(2, 1) += cellV*cellTU.zy();
cellDD(2, 2) += cellV*cellTU.zz();
}
}
}

2
applications/solvers/coupled/pUCoupledFoam/UEqn.H
View file

@ -12,4 +12,6 @@
UEqn.relax();
UpEqn.insertEquation(0, UEqn);
# include "addBlockCoupledBC.H"
}

56
applications/solvers/coupled/pUCoupledFoam/addBlockCoupledBC.H Normal file
View file

@ -0,0 +1,56 @@
// Hack block-coupled boundary conditions: due for rewrite
const volScalarField nuEff = turbulence->nuEff();
forAll (U.boundaryField(), patchI)
{
if (U.boundaryField()[patchI].blockCoupled())
{
// Insert correcting fully implicit coupling coefficient
const labelList fc = mesh.boundary()[patchI].faceCells();
const fvPatchVectorField& Up = U.boundaryField()[patchI];
// Warning: hacked for nuEff in viscosity
const scalarField nutpMagSf =
nuEff.boundaryField()[patchI]*
mesh.magSf().boundaryField()[patchI];
// Get boundary condition contribution to matrix diagonal
tensorField patchDiag =
-Up.blockGradientInternalCoeffs()().asSquare()*nutpMagSf;
// Get matrix diagonal
CoeffField<vector4>::squareTypeField& blockDiag =
UpEqn.diag().asSquare();
forAll (fc, faceI)
{
blockDiag[fc[faceI]](0, 0) += patchDiag[faceI].xx();
blockDiag[fc[faceI]](0, 1) += patchDiag[faceI].xy();
blockDiag[fc[faceI]](0, 2) += patchDiag[faceI].xz();
blockDiag[fc[faceI]](1, 0) += patchDiag[faceI].yx();
blockDiag[fc[faceI]](1, 1) += patchDiag[faceI].yy();
blockDiag[fc[faceI]](1, 2) += patchDiag[faceI].yz();
blockDiag[fc[faceI]](2, 0) += patchDiag[faceI].zx();
blockDiag[fc[faceI]](3, 1) += patchDiag[faceI].zy();
blockDiag[fc[faceI]](3, 2) += patchDiag[faceI].zz();
}
// Get boundary condition contribution to matrix source
vectorField patchSource =
-Up.blockGradientBoundaryCoeffs()*nutpMagSf;
// Get matrix source
Field<vector4>& blockSource = UpEqn.source();
forAll (fc, faceI)
{
blockSource[fc[faceI]](0) -= patchSource[faceI](0);
blockSource[fc[faceI]](1) -= patchSource[faceI](1);
blockSource[fc[faceI]](2) -= patchSource[faceI](2);
}
}
}