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BUG: maxDeltaxyz LES delta - updated calculation. Fixes #200

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This commit is contained in:
Andrew Heather 2016-08-01 12:59:24 +01:00
parent 466a2631c7
commit e9edf89a5d
1 changed files with 14 additions and 9 deletions
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23
src/TurbulenceModels/turbulenceModels/LES/LESdeltas/maxDeltaxyz/maxDeltaxyz.C
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@ -47,26 +47,31 @@ void Foam::LESModels::maxDeltaxyz::calcDelta()
label nD = mesh.nGeometricD();
const cellList& cells = mesh.cells();
const vectorField& cellC = mesh.cellCentres();
const vectorField& faceC = mesh.faceCentres();
const vectorField faceN(mesh.faceAreas()/mag(mesh.faceAreas()));
scalarField hmax(cells.size());
forAll(cells,cellI)
forAll(cells, celli)
{
scalar deltaMaxTmp = 0.0;
const labelList& cFaces = mesh.cells()[cellI];
const point& centrevector = mesh.cellCentres()[cellI];
const labelList& cFaces = cells[celli];
const point& cc = cellC[celli];
forAll(cFaces, cFaceI)
forAll(cFaces, cFacei)
{
label faceI = cFaces[cFaceI];
const point& facevector = mesh.faceCentres()[faceI];
scalar tmp = mag(facevector - centrevector);
label facei = cFaces[cFacei];
const point& fc = faceC[facei];
const vector& n = faceN[facei];
scalar tmp = magSqr(n*(n & (fc - cc)));
if (tmp > deltaMaxTmp)
{
deltaMaxTmp = tmp;
}
}
hmax[cellI] = deltaCoeff_*deltaMaxTmp;
hmax[celli] = deltaCoeff_*Foam::sqrt(deltaMaxTmp);
}
if (nD == 3)
@ -76,7 +81,7 @@ void Foam::LESModels::maxDeltaxyz::calcDelta()
else if (nD == 2)
{
WarningInFunction
<< "Case is 2D, LES is not strictly applicable\n"
<< "Case is 2D, LES is not strictly applicable" << nl
<< endl;
delta_.internalField() = hmax;