exaFOAM/foam-extend4.1-coherent-io
Archived
1
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

MRF zone wall flux bug fix. Hakan Nilsson, Martin Beaudoin, Hrvoje Jasak

Browse source
This commit is contained in:
Hrvoje Jasak 2020-07-08 09:18:26 +01:00
parent f2c557318f
commit e2e049bb04
2 changed files with 49 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

78
src/finiteVolume/cfdTools/general/MRF/MRFZone.C
View file

@ -149,9 +149,9 @@ void Foam::MRFZone::setMRFFaces()
label faceI;
forAll (patches, patchi)
forAll (patches, patchI)
{
const polyPatch& pp = patches[patchi];
const polyPatch& pp = patches[patchI];
forAll (pp, patchFaceI)
{
@ -159,11 +159,11 @@ void Foam::MRFZone::setMRFFaces()
if (faceType[faceI] == 1)
{
nIncludedFaces[patchi]++;
nIncludedFaces[patchI]++;
}
else if (faceType[faceI] == 2)
{
nExcludedFaces[patchi]++;
nExcludedFaces[patchI]++;
}
}
}
@ -553,8 +553,8 @@ void Foam::MRFZone::addCoriolis(fvVectorMatrix& UEqn) const
forAll (cells, i)
{
label celli = cells[i];
Usource[celli] -= V[celli]*(rotVel ^ U[celli]);
label cellI = cells[i];
Usource[cellI] -= V[cellI]*(rotVel ^ U[cellI]);
}
}
@ -578,8 +578,8 @@ void Foam::MRFZone::addCoriolis
forAll (cells, i)
{
label celli = cells[i];
Usource[celli] -= V[celli]*rho[celli]*(rotVel ^ U[celli]);
label cellI = cells[i];
Usource[cellI] -= V[cellI]*rho[cellI]*(rotVel ^ U[cellI]);
}
}
@ -609,28 +609,28 @@ void Foam::MRFZone::relativeVelocity(volVectorField& U) const
forAll (cells, i)
{
label celli = cells[i];
U[celli] -= (rotVel ^ (C[celli] - origin));
label cellI = cells[i];
U[cellI] -= (rotVel ^ (C[cellI] - origin));
}
// Included faces
forAll (includedFaces_, patchi)
forAll (includedFaces_, patchI)
{
forAll (includedFaces_[patchi], i)
forAll (includedFaces_[patchI], i)
{
label patchFaceI = includedFaces_[patchi][i];
U.boundaryField()[patchi][patchFaceI] = vector::zero;
label patchFaceI = includedFaces_[patchI][i];
U.boundaryField()[patchI][patchFaceI] = vector::zero;
}
}
// Excluded faces
forAll (excludedFaces_, patchi)
forAll (excludedFaces_, patchI)
{
forAll (excludedFaces_[patchi], i)
forAll (excludedFaces_[patchI], i)
{
label patchFaceI = excludedFaces_[patchi][i];
U.boundaryField()[patchi][patchFaceI] -=
(rotVel ^ (C.boundaryField()[patchi][patchFaceI] - origin));
label patchFaceI = excludedFaces_[patchI][i];
U.boundaryField()[patchI][patchFaceI] -=
(rotVel ^ (C.boundaryField()[patchI][patchFaceI] - origin));
}
}
}
@ -647,29 +647,45 @@ void Foam::MRFZone::absoluteVelocity(volVectorField& U) const
forAll (cells, i)
{
label celli = cells[i];
U[celli] += (rotVel ^ (C[celli] - origin));
label cellI = cells[i];
U[cellI] += (rotVel ^ (C[cellI] - origin));
}
// For precision and consistency, normal component of the
// absolute velocity must match the mesh flux exactly
// HJ, 3/Jul/2020
const surfaceScalarField& meshVel = meshVelocity();
const surfaceScalarField& magSf = mesh_.magSf();
// Included faces
forAll (includedFaces_, patchi)
forAll (includedFaces_, patchI)
{
forAll (includedFaces_[patchi], i)
vectorField n = mesh_.boundary()[patchI].nf();
forAll (includedFaces_[patchI], i)
{
label patchFaceI = includedFaces_[patchi][i];
U.boundaryField()[patchi][patchFaceI] =
(rotVel ^ (C.boundaryField()[patchi][patchFaceI] - origin));
label patchFaceI = includedFaces_[patchI][i];
vector Up =
rotVel ^ (C.boundaryField()[patchI][patchFaceI] - origin);
scalar Un = meshVel.boundaryField()[patchI][patchFaceI]/
magSf.boundaryField()[patchI][patchFaceI];
U.boundaryField()[patchI][patchFaceI] =
(Up + n[patchFaceI]*(Un - (n[patchFaceI] & Up)));
}
}
// Excluded faces
forAll (excludedFaces_, patchi)
forAll (excludedFaces_, patchI)
{
forAll (excludedFaces_[patchi], i)
forAll (excludedFaces_[patchI], i)
{
label patchFaceI = excludedFaces_[patchi][i];
U.boundaryField()[patchi][patchFaceI] +=
(rotVel ^ (C.boundaryField()[patchi][patchFaceI] - origin));
label patchFaceI = excludedFaces_[patchI][i];
U.boundaryField()[patchI][patchFaceI] +=
(rotVel ^ (C.boundaryField()[patchI][patchFaceI] - origin));
}
}
}

5
src/finiteVolume/cfdTools/general/MRF/MRFZoneTemplates.C
View file

@ -62,9 +62,8 @@ void Foam::MRFZone::relativeRhoFlux
{
patchFaceI = includedFaces_[patchI][i];
phi.boundaryField()[patchI][patchFaceI] -=
rho.boundaryField()[patchI][patchFaceI]*
meshVel.boundaryField()[patchI][patchFaceI];
// Bugfix, HJ and HN, 3/Jul/2020
phi.boundaryField()[patchI][patchFaceI] = 0;
}
}