Files
openfoam/src/finiteVolume/fields/fvPatchFields/constraint/processor/processorFvPatchScalarField.C

152 lines
4.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "processorFvPatchScalarField.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<>
void processorFvPatchField<scalar>::initInterfaceMatrixUpdate
(
scalarField&,
const scalarField& psiInternal,
const scalarField&,
const direction,
const Pstream::commsTypes commsType
) const
{
this->patch().patchInternalField(psiInternal, scalarSendBuf_);
if (commsType == Pstream::nonBlocking && !Pstream::floatTransfer)
{
// Fast path.
if (debug && !this->ready())
{
FatalErrorIn
(
"processorFvPatchField<scalar>::initInterfaceMatrixUpdate(..)"
) << "On patch " << procPatch_.name()
<< " outstanding request."
<< abort(FatalError);
}
scalarReceiveBuf_.setSize(scalarSendBuf_.size());
outstandingRecvRequest_ = UPstream::nRequests();
IPstream::read
(
Pstream::nonBlocking,
procPatch_.neighbProcNo(),
reinterpret_cast<char*>(scalarReceiveBuf_.begin()),
scalarReceiveBuf_.byteSize(),
procPatch_.tag()
);
outstandingSendRequest_ = UPstream::nRequests();
OPstream::write
(
Pstream::nonBlocking,
procPatch_.neighbProcNo(),
reinterpret_cast<const char*>(scalarSendBuf_.begin()),
scalarSendBuf_.byteSize(),
procPatch_.tag()
);
}
else
{
procPatch_.compressedSend(commsType, scalarSendBuf_);
}
const_cast<processorFvPatchField<scalar>&>(*this).updatedMatrix() = false;
}
template<>
void processorFvPatchField<scalar>::updateInterfaceMatrix
(
scalarField& result,
const scalarField&,
const scalarField& coeffs,
const direction,
const Pstream::commsTypes commsType
) const
{
if (this->updatedMatrix())
{
return;
}
const labelUList& faceCells = this->patch().faceCells();
if (commsType == Pstream::nonBlocking && !Pstream::floatTransfer)
{
// Fast path.
if
(
outstandingRecvRequest_ >= 0
&& outstandingRecvRequest_ < Pstream::nRequests()
)
{
UPstream::waitRequest(outstandingRecvRequest_);
}
// Recv finished so assume sending finished as well.
outstandingSendRequest_ = -1;
outstandingRecvRequest_ = -1;
// Consume straight from scalarReceiveBuf_
forAll(faceCells, elemI)
{
result[faceCells[elemI]] -= coeffs[elemI]*scalarReceiveBuf_[elemI];
}
}
else
{
scalarField pnf
(
procPatch_.compressedReceive<scalar>(commsType, this->size())()
);
forAll(faceCells, elemI)
{
result[faceCells[elemI]] -= coeffs[elemI]*pnf[elemI];
}
}
const_cast<processorFvPatchField<scalar>&>(*this).updatedMatrix() = true;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// ************************************************************************* //