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Revised fvMatrix::setReference

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This commit is contained in:
Henrik Rusche 2013-07-10 00:58:16 +02:00
parent 3915b701f7
commit 1e32d23da1
1 changed files with 27 additions and 24 deletions
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51
src/finiteVolume/fvMatrices/fvMatrix/fvMatrix.C
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@ -519,35 +519,38 @@ void Foam::fvMatrix<Type>::setReference
const bool forceReference
)
{
if (celli >= 0 && (psi_.needReference() || forceReference))
if ((forceReference || psi_.needReference()) && celli >= 0)
{
// Bug fix: force reference only on master for parallel runs
// HJ, 12/Feb/2010
if (Pstream::parRun())
{
// Parallel run:
// - only set reference on master processor: one place is enough
// - make sure that cellI is not out of range
if (Pstream::master())
{
label parCelli = celli;
// HR, 9/Jul/2013
// Very early versions could produce memory violations if celli is read
// from dictionary, however, the proposed fix produced unpredictable
// results in parallel. Keeping in mind that topologically changing
// meshes will complicate the matter to level that cannot possibly be
// dealt with at this point, we will simply raise an error if celli
// is out of bound.
while (parCelli >= diag().size())
{
// Out of range, pick a local cell
parCelli /= Pstream::nProcs();
}
// In essence: The user of this function needs to make sure that celli
// is set only on one processor and that it is updated if the mesh
// changes. We should be doing better than this! Consider mesh object
// to hold reference cell and associated data.
source()[parCelli] += diag()[parCelli]*value;
diag()[parCelli] += diag()[parCelli];
}
}
else
if (celli >= diag().size())
{
// Serial run, standard practice
source()[celli] += diag()[celli]*value;
diag()[celli] += diag()[celli];
FatalErrorIn
(
"fvMatrix<Type>::setReference"
"("
"const label celli, "
"const Type& value, "
"const bool forceReference"
")"
)
<< "celli out of bound"
<< abort(FatalError);
}
source()[celli] += diag()[celli]*value;
diag()[celli] += diag()[celli];
}
}