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Cached block AMG: Work in progress

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This commit is contained in:
Hrvoje Jasak 2017-10-12 11:29:55 +01:00
parent f3cbb24d30
commit 220a46a584
29 changed files with 449 additions and 233 deletions
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32
src/foam/matrices/blockLduMatrix/BlockAMG/BlockAMGCycle.C
View file

@ -107,6 +107,22 @@ void Foam::BlockAMGCycle<Type>::makeCoarseLevels(const label nMaxLevels)
}
template<class Type>
Foam::BlockLduMatrix<Type>& Foam::BlockAMGCycle<Type>::coarseMatrix()
{
if (!coarseLevelPtr_)
{
FatalErrorIn
(
"BlockLduMatrix<Type>& BlockAMGCycle<Type>::coarseMatrix()"
) << "Coarse level not available"
<< abort(FatalError);
}
return coarseLevelPtr_->matrix();
}
template<class Type>
void Foam::BlockAMGCycle<Type>::fixedCycle
(
@ -193,7 +209,21 @@ void Foam::BlockAMGCycle<Type>::fixedCycle
else
{
// Call direct solver
levelPtr_->solve(x, b, 1e-9, 0);
levelPtr_->solve(x, b, 1e-7, 0);
}
}
template<class Type>
void Foam::BlockAMGCycle<Type>::initMatrix()
{
// Update current level
levelPtr_->initLevel(coarseLevelPtr_);
// If present, update coarse levels recursively
if (coarseLevelPtr_)
{
coarseLevelPtr_->initMatrix();
}
}

6
src/foam/matrices/blockLduMatrix/BlockAMG/BlockAMGCycle.H
View file

@ -143,6 +143,9 @@ public:
return nLevels_;
}
//- Return coarse matrix
BlockLduMatrix<Type>& coarseMatrix();
//- Calculate residual
void residual
(
@ -166,6 +169,9 @@ public:
const label nPostSweeps,
const bool scale
) const;
//- Re-initialise preconditioner after matrix coefficient update
void initMatrix();
};

9
src/foam/matrices/blockLduMatrix/BlockAMG/BlockAMGLevel.H
View file

@ -86,6 +86,9 @@ public:
// Member Functions
//- Return reference to matrix
virtual BlockLduMatrix<Type>& matrix() = 0;
//- Return reference to x
virtual Field<Type>& x() = 0;
@ -144,6 +147,12 @@ public:
//- Create next level from current level
virtual autoPtr<BlockAMGLevel> makeNextLevel() const = 0;
//- Re-initialise AMG level after matrix coefficient update
virtual void initLevel
(
autoPtr<Foam::BlockAMGLevel<Type> >& coarseLevelPtr
) = 0;
};

3
src/foam/matrices/blockLduMatrix/BlockAMG/BlockMatrixCoarsening/BlockMatrixAgglomeration/BlockMatrixAgglomeration.H
View file

@ -192,6 +192,9 @@ public:
Field<Type>& x,
const Field<Type>& coarseX
) const;
//- Update coarse matrix using same coefficients
virtual void updateMatrix(BlockLduMatrix<Type>& coarseMatrix) const;
};

419
src/foam/matrices/blockLduMatrix/BlockAMG/BlockMatrixCoarsening/BlockMatrixClustering/BlockMatrixClustering.C
View file

@ -495,6 +495,163 @@ void Foam::BlockMatrixClustering<Type>::calcClustering()
reduce(coarsen_, andOp<bool>());
// If the matrix will be coarsened, create off-diagonal agglomeration
// Does the matrix have solo equations
bool soloEqns = nSolo_ > 0;
// Storage for block neighbours and coefficients
// Guess initial maximum number of neighbours in block
label maxNnbrs = 10;
// Number of neighbours per block
labelList blockNnbrs(nCoarseEqns_, 0);
// Setup initial packed storage for neighbours and coefficients
labelList blockNbrsData(maxNnbrs*nCoarseEqns_);
const label nFineCoeffs = upperAddr.size();
// Create face-restriction addressing
coeffRestrictAddr_.setSize(nFineCoeffs);
// Initial neighbour array (not in upper-triangle order)
labelList initCoarseNeighb(nFineCoeffs);
// Counter for coarse coeffs
label nCoarseCoeffs = 0;
// Loop through all fine coeffs
forAll (upperAddr, fineCoeffi)
{
label rmUpperAddr = agglomIndex_[upperAddr[fineCoeffi]];
label rmLowerAddr = agglomIndex_[lowerAddr[fineCoeffi]];
// If the coefficient touches block zero and solo equations are
// present, skip it
if (soloEqns && (rmUpperAddr == 0 || rmLowerAddr == 0))
{
continue;
}
if (rmUpperAddr == rmLowerAddr)
{
// For each fine coeff inside of a coarse cluster keep the address
// of the cluster corresponding to the coeff in the
// coeffRestrictAddr_ as a negative index
coeffRestrictAddr_[fineCoeffi] = -(rmUpperAddr + 1);
}
else
{
// This coeff is a part of a coarse coeff
label cOwn = rmUpperAddr;
label cNei = rmLowerAddr;
// Get coarse owner and neighbour
if (rmUpperAddr > rmLowerAddr)
{
cOwn = rmLowerAddr;
cNei = rmUpperAddr;
}
// Check the neighbour to see if this coeff has already been found
bool nbrFound = false;
label& ccnCoeffs = blockNnbrs[cOwn];
for (int i = 0; i < ccnCoeffs; i++)
{
if (initCoarseNeighb[blockNbrsData[maxNnbrs*cOwn + i]] == cNei)
{
nbrFound = true;
coeffRestrictAddr_[fineCoeffi] =
blockNbrsData[maxNnbrs*cOwn + i];
break;
}
}
if (!nbrFound)
{
if (ccnCoeffs >= maxNnbrs)
{
// Double the size of list and copy data
label oldMaxNnbrs = maxNnbrs;
maxNnbrs *= 2;
// Resize and copy list
const labelList oldBlockNbrsData = blockNbrsData;
blockNbrsData.setSize(maxNnbrs*nCoarseEqns_);
forAll (blockNnbrs, i)
{
for (int j = 0; j < blockNnbrs[i]; j++)
{
blockNbrsData[maxNnbrs*i + j] =
oldBlockNbrsData[oldMaxNnbrs*i + j];
}
}
}
blockNbrsData[maxNnbrs*cOwn + ccnCoeffs] = nCoarseCoeffs;
initCoarseNeighb[nCoarseCoeffs] = cNei;
coeffRestrictAddr_[fineCoeffi] = nCoarseCoeffs;
ccnCoeffs++;
// New coarse coeff created
nCoarseCoeffs++;
}
}
} // End for all fine coeffs
// Renumber into upper-triangular order
// All coarse owner-neighbour storage
labelList coarseOwner(nCoarseCoeffs);
labelList coarseNeighbour(nCoarseCoeffs);
labelList coarseCoeffMap(nCoarseCoeffs);
label coarseCoeffi = 0;
forAll (blockNnbrs, cci)
{
label* cCoeffs = &blockNbrsData[maxNnbrs*cci];
label ccnCoeffs = blockNnbrs[cci];
for (int i = 0; i < ccnCoeffs; i++)
{
coarseOwner[coarseCoeffi] = cci;
coarseNeighbour[coarseCoeffi] = initCoarseNeighb[cCoeffs[i]];
coarseCoeffMap[cCoeffs[i]] = coarseCoeffi;
coarseCoeffi++;
}
}
forAll(coeffRestrictAddr_, fineCoeffi)
{
label rmUpperAddr = agglomIndex_[upperAddr[fineCoeffi]];
label rmLowerAddr = agglomIndex_[lowerAddr[fineCoeffi]];
// If the coefficient touches block zero and solo equations are
// present, skip it
if (soloEqns && (rmUpperAddr == 0 || rmLowerAddr == 0))
{
continue;
}
if (coeffRestrictAddr_[fineCoeffi] >= 0)
{
coeffRestrictAddr_[fineCoeffi] =
coarseCoeffMap[coeffRestrictAddr_[fineCoeffi]];
}
}
// Clear the temporary storage for the coarse matrix data
blockNnbrs.setSize(0);
blockNbrsData.setSize(0);
initCoarseNeighb.setSize(0);
coarseCoeffMap.setSize(0);
if (blockLduMatrix::debug >= 3)
{
// Count singleton clusters
@ -555,10 +712,8 @@ void Foam::BlockMatrixClustering<Type>::restrictDiag
squareTypeField& activeCoarseCoeff = coarseCoeff.asSquare();
const squareTypeField& activeCoeff = Coeff.asSquare();
forAll (coarseCoeff, i)
{
activeCoarseCoeff[i] = pTraits<squareType>::zero;
}
// Reset coefficients to zero
activeCoarseCoeff = pTraits<squareType>::zero;
forAll (Coeff, i)
{
@ -577,10 +732,8 @@ void Foam::BlockMatrixClustering<Type>::restrictDiag
linearTypeField& activeCoarseCoeff = coarseCoeff.asLinear();
const linearTypeField& activeCoeff = Coeff.asLinear();
forAll (coarseCoeff, i)
{
activeCoarseCoeff[i] = pTraits<linearType>::zero;
}
// Reset coefficients to zero
activeCoarseCoeff = pTraits<linearType>::zero;
forAll (Coeff, i)
{
@ -599,10 +752,8 @@ void Foam::BlockMatrixClustering<Type>::restrictDiag
scalarTypeField& activeCoarseCoeff = coarseCoeff.asScalar();
const scalarTypeField& activeCoeff = Coeff.asScalar();
forAll (coarseCoeff, i)
{
activeCoarseCoeff[i] = pTraits<scalarType>::zero;
}
// Reset coefficients to zero
activeCoarseCoeff = pTraits<scalarType>::zero;
forAll (Coeff, i)
{
@ -624,7 +775,6 @@ template<class Type>
template<class DiagType, class ULType>
void Foam::BlockMatrixClustering<Type>::agglomerateCoeffs
(
const labelList& coeffRestrictAddr,
Field<DiagType>& activeCoarseDiag,
Field<ULType>& activeCoarseUpper,
const Field<ULType>& activeFineUpper,
@ -638,7 +788,10 @@ void Foam::BlockMatrixClustering<Type>::agglomerateCoeffs
const unallocLabelList& upperAddr = matrix_.lduAddr().upperAddr();
const unallocLabelList& lowerAddr = matrix_.lduAddr().lowerAddr();
forAll(coeffRestrictAddr, fineCoeffI)
// Reset coefficients to zero. Cannot touch the diagonal
activeCoarseUpper = pTraits<ULType>::zero;
forAll(coeffRestrictAddr_, fineCoeffI)
{
label rmUpperAddr = agglomIndex_[upperAddr[fineCoeffI]];
label rmLowerAddr = agglomIndex_[lowerAddr[fineCoeffI]];
@ -650,7 +803,7 @@ void Foam::BlockMatrixClustering<Type>::agglomerateCoeffs
continue;
}
label cCoeff = coeffRestrictAddr[fineCoeffI];
label cCoeff = coeffRestrictAddr_[fineCoeffI];
if (cCoeff >= 0)
{
@ -673,7 +826,6 @@ template<class Type>
template<class DiagType, class ULType>
void Foam::BlockMatrixClustering<Type>::agglomerateCoeffs
(
const labelList& coeffRestrictAddr,
Field<DiagType>& activeCoarseDiag,
Field<ULType>& activeCoarseUpper,
const Field<ULType>& activeFineUpper,
@ -688,7 +840,11 @@ void Foam::BlockMatrixClustering<Type>::agglomerateCoeffs
const unallocLabelList& upperAddr = matrix_.lduAddr().upperAddr();
const unallocLabelList& lowerAddr = matrix_.lduAddr().lowerAddr();
forAll(coeffRestrictAddr, fineCoeffI)
// Reset coefficients to zero. Cannot touch the diagonal
activeCoarseUpper = pTraits<ULType>::zero;
activeCoarseLower = pTraits<ULType>::zero;
forAll(coeffRestrictAddr_, fineCoeffI)
{
label rmUpperAddr = agglomIndex_[upperAddr[fineCoeffI]];
label rmLowerAddr = agglomIndex_[lowerAddr[fineCoeffI]];
@ -700,7 +856,7 @@ void Foam::BlockMatrixClustering<Type>::agglomerateCoeffs
continue;
}
label cCoeff = coeffRestrictAddr[fineCoeffI];
label cCoeff = coeffRestrictAddr_[fineCoeffI];
if (cCoeff >= 0)
{
@ -739,10 +895,8 @@ void Foam::BlockMatrixClustering<Type>::restrictDiagDecoupled
linearTypeField& activeCoarseCoeff = coarseCoeff.asLinear();
const linearTypeField& activeCoeff = Coeff.asLinear();
forAll (coarseCoeff, i)
{
activeCoarseCoeff[i] = pTraits<linearType>::zero;
}
// Reset coefficients to zero
activeCoarseCoeff = pTraits<linearType>::zero;
forAll (Coeff, i)
{
@ -761,10 +915,8 @@ void Foam::BlockMatrixClustering<Type>::restrictDiagDecoupled
scalarTypeField& activeCoarseCoeff = coarseCoeff.asScalar();
const scalarTypeField& activeCoeff = Coeff.asScalar();
forAll (coarseCoeff, i)
{
activeCoarseCoeff[i] = pTraits<scalarType>::zero;
}
// Reset coefficients to zero
activeCoarseCoeff = pTraits<scalarType>::zero;
forAll (Coeff, i)
{
@ -800,6 +952,7 @@ Foam::BlockMatrixClustering<Type>::BlockMatrixClustering
maxGroupSize_(readLabel(dict.lookup("maxGroupSize"))),
normPtr_(BlockCoeffNorm<Type>::New(dict)),
agglomIndex_(matrix_.lduAddr().size()),
coeffRestrictAddr_(),
groupSize_(groupSize),
nSolo_(0),
nCoarseEqns_(0),
@ -850,8 +1003,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
const unallocLabelList& upperAddr = matrix_.lduAddr().upperAddr();
const unallocLabelList& lowerAddr = matrix_.lduAddr().lowerAddr();
const label nFineCoeffs = upperAddr.size();
# ifdef FULLDEBUG
if (agglomIndex_.size() != matrix_.lduAddr().size())
{
@ -866,161 +1017,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
}
# endif
// Does the matrix have solo equations
bool soloEqns = nSolo_ > 0;
// Storage for block neighbours and coefficients
// Guess initial maximum number of neighbours in block
label maxNnbrs = 10;
// Number of neighbours per block
labelList blockNnbrs(nCoarseEqns_, 0);
// Setup initial packed storage for neighbours and coefficients
labelList blockNbrsData(maxNnbrs*nCoarseEqns_);
// Create face-restriction addressing
labelList coeffRestrictAddr(nFineCoeffs);
// Initial neighbour array (not in upper-triangle order)
labelList initCoarseNeighb(nFineCoeffs);
// Counter for coarse coeffs
label nCoarseCoeffs = 0;
// Loop through all fine coeffs
forAll (upperAddr, fineCoeffi)
{
label rmUpperAddr = agglomIndex_[upperAddr[fineCoeffi]];
label rmLowerAddr = agglomIndex_[lowerAddr[fineCoeffi]];
// If the coefficient touches block zero and solo equations are
// present, skip it
if (soloEqns && (rmUpperAddr == 0 || rmLowerAddr == 0))
{
continue;
}
if (rmUpperAddr == rmLowerAddr)
{
// For each fine coeff inside of a coarse cluster keep the address
// of the cluster corresponding to the coeff in the
// coeffRestrictAddr as a negative index
coeffRestrictAddr[fineCoeffi] = -(rmUpperAddr + 1);
}
else
{
// This coeff is a part of a coarse coeff
label cOwn = rmUpperAddr;
label cNei = rmLowerAddr;
// Get coarse owner and neighbour
if (rmUpperAddr > rmLowerAddr)
{
cOwn = rmLowerAddr;
cNei = rmUpperAddr;
}
// Check the neighbour to see if this coeff has already been found
bool nbrFound = false;
label& ccnCoeffs = blockNnbrs[cOwn];
for (int i = 0; i < ccnCoeffs; i++)
{
if (initCoarseNeighb[blockNbrsData[maxNnbrs*cOwn + i]] == cNei)
{
nbrFound = true;
coeffRestrictAddr[fineCoeffi] =
blockNbrsData[maxNnbrs*cOwn + i];
break;
}
}
if (!nbrFound)
{
if (ccnCoeffs >= maxNnbrs)
{
// Double the size of list and copy data
label oldMaxNnbrs = maxNnbrs;
maxNnbrs *= 2;
// Resize and copy list
const labelList oldBlockNbrsData = blockNbrsData;
blockNbrsData.setSize(maxNnbrs*nCoarseEqns_);
forAll (blockNnbrs, i)
{
for (int j = 0; j < blockNnbrs[i]; j++)
{
blockNbrsData[maxNnbrs*i + j] =
oldBlockNbrsData[oldMaxNnbrs*i + j];
}
}
}
blockNbrsData[maxNnbrs*cOwn + ccnCoeffs] = nCoarseCoeffs;
initCoarseNeighb[nCoarseCoeffs] = cNei;
coeffRestrictAddr[fineCoeffi] = nCoarseCoeffs;
ccnCoeffs++;
// New coarse coeff created
nCoarseCoeffs++;
}
}
} // End for all fine coeffs
// Renumber into upper-triangular order
// All coarse owner-neighbour storage
labelList coarseOwner(nCoarseCoeffs);
labelList coarseNeighbour(nCoarseCoeffs);
labelList coarseCoeffMap(nCoarseCoeffs);
label coarseCoeffi = 0;
forAll (blockNnbrs, cci)
{
label* cCoeffs = &blockNbrsData[maxNnbrs*cci];
label ccnCoeffs = blockNnbrs[cci];
for (int i = 0; i < ccnCoeffs; i++)
{
coarseOwner[coarseCoeffi] = cci;
coarseNeighbour[coarseCoeffi] = initCoarseNeighb[cCoeffs[i]];
coarseCoeffMap[cCoeffs[i]] = coarseCoeffi;
coarseCoeffi++;
}
}
forAll(coeffRestrictAddr, fineCoeffi)
{
label rmUpperAddr = agglomIndex_[upperAddr[fineCoeffi]];
label rmLowerAddr = agglomIndex_[lowerAddr[fineCoeffi]];
// If the coefficient touches block zero and solo equations are
// present, skip it
if (soloEqns && (rmUpperAddr == 0 || rmLowerAddr == 0))
{
continue;
}
if (coeffRestrictAddr[fineCoeffi] >= 0)
{
coeffRestrictAddr[fineCoeffi] =
coarseCoeffMap[coeffRestrictAddr[fineCoeffi]];
}
}
// Clear the temporary storage for the coarse matrix data
blockNnbrs.setSize(0);
blockNbrsData.setSize(0);
initCoarseNeighb.setSize(0);
coarseCoeffMap.setSize(0);
// Create coarse-level coupled interfaces
// Create coarse interfaces, addressing and coefficients
@ -1028,8 +1024,7 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
const_cast<BlockLduMatrix<Type>& >(matrix_).interfaces().size();
const typename BlockLduInterfaceFieldPtrsList<Type>::Type&
interfaceFields =
const_cast<BlockLduMatrix<Type>&>(matrix_).interfaces();
interfaceFields = matrix_.interfaces();
// Set the coarse interfaces and coefficients
lduInterfacePtrsList coarseInterfaces(interfaceSize);
@ -1046,7 +1041,7 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
nCoarseEqns_,
coarseOwner,
coarseNeighbour,
Pstream::worldComm, //HJ, AMG Comm fineMesh.comm(),
Pstream::worldComm,
true
)
);
@ -1140,7 +1135,39 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
);
BlockLduMatrix<Type>& coarseMatrix = coarseMatrixPtr();
// Build matrix coefficients
this->updateMatrix(coarseMatrix);
// Create and return BlockAMGLevel
return autoPtr<BlockAMGLevel<Type> >
(
new coarseBlockAMGLevel<Type>
(
coarseAddrPtr,
coarseMatrixPtr,
this->dict(),
this->type(),
this->groupSize(),
this->minCoarseEqns()
)
);
}
template<class Type>
void Foam::BlockMatrixClustering<Type>::updateMatrix
(
BlockLduMatrix<Type>& coarseMatrix
) const
{
// Get interfaces from fine matrix
const typename BlockLduInterfaceFieldPtrsList<Type>::Type&
interfaceFields = matrix_.interfaces();
// Get interfaces from coarse matrix
lduInterfacePtrsList coarseInterfaces = coarseMatrix.mesh().interfaces();
// Get interfaces fields from coarse matrix
typename BlockLduInterfaceFieldPtrsList<Type>::Type&
coarseInterfaceFieldsTransfer = coarseMatrix.interfaces();
@ -1242,7 +1269,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
agglomerateCoeffs
(
coeffRestrictAddr,
activeCoarseDiag,
activeCoarseUpper,
activeFineUpper,
@ -1264,7 +1290,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
agglomerateCoeffs
(
coeffRestrictAddr,
activeCoarseDiag,
activeCoarseUpper,
activeFineUpper,
@ -1286,7 +1311,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
agglomerateCoeffs
(
coeffRestrictAddr,
activeCoarseDiag,
activeCoarseUpper,
activeFineUpper,
@ -1326,7 +1350,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
agglomerateCoeffs
(
coeffRestrictAddr,
activeCoarseDiag,
activeCoarseUpper,
activeFineUpper,
@ -1352,7 +1375,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
agglomerateCoeffs
(
coeffRestrictAddr,
activeCoarseDiag,
activeCoarseUpper,
activeFineUpper,
@ -1378,7 +1400,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
agglomerateCoeffs
(
coeffRestrictAddr,
activeCoarseDiag,
activeCoarseUpper,
activeFineUpper,
@ -1396,20 +1417,6 @@ Foam::BlockMatrixClustering<Type>::restrictMatrix() const
<< abort(FatalError);
}
}
// Create and return BlockAMGLevel
return autoPtr<BlockAMGLevel<Type> >
(
new coarseBlockAMGLevel<Type>
(
coarseAddrPtr,
coarseMatrixPtr,
this->dict(),
this->type(),
this->groupSize(),
this->minCoarseEqns()
)
);
}

10
src/foam/matrices/blockLduMatrix/BlockAMG/BlockMatrixCoarsening/BlockMatrixClustering/BlockMatrixClustering.H
View file

@ -76,7 +76,10 @@ class BlockMatrixClustering
autoPtr<BlockCoeffNorm<Type> > normPtr_;
//- Child array: for each fine equation give a clustering index
labelField agglomIndex_;
labelList agglomIndex_;
//- Face-restriction addressing
labelList coeffRestrictAddr_;
//- Group size
label groupSize_;
@ -116,7 +119,6 @@ class BlockMatrixClustering
template<class DiagType, class ULType>
void agglomerateCoeffs
(
const labelList& coeffRestrictAddr,
Field<DiagType>& activeCoarseDiag,
Field<ULType>& activeCoarseUpper,
const Field<ULType>& activeFineUpper,
@ -127,7 +129,6 @@ class BlockMatrixClustering
template<class DiagType, class ULType>
void agglomerateCoeffs
(
const labelList& coeffRestrictAddr,
Field<DiagType>& activeCoarseDiag,
Field<ULType>& activeCoarseUpper,
const Field<ULType>& activeFineUpper,
@ -197,6 +198,9 @@ public:
Field<Type>& x,
const Field<Type>& coarseX
) const;
//- Update coarse matrix using same coefficients
virtual void updateMatrix(BlockLduMatrix<Type>& coarseMatrix) const;
};

5
src/foam/matrices/blockLduMatrix/BlockAMG/BlockMatrixCoarsening/BlockMatrixCoarsening/BlockMatrixCoarsening.H
View file

@ -172,8 +172,7 @@ public:
virtual bool coarsen() const = 0;
//- Restrict matrix
virtual autoPtr<BlockAMGLevel<Type> > restrictMatrix
() const = 0;
virtual autoPtr<BlockAMGLevel<Type> > restrictMatrix() const = 0;
//- Restrict residual
virtual void restrictResidual
@ -189,6 +188,8 @@ public:
const Field<Type>& coarseX
) const = 0;
//- Update coarse matrix using same coefficients
virtual void updateMatrix(BlockLduMatrix<Type>& coarseMatrix) const = 0;
};

3
src/foam/matrices/blockLduMatrix/BlockAMG/BlockMatrixCoarsening/BlockMatrixSelection/BlockMatrixSelection.C
View file

@ -989,8 +989,7 @@ Foam::BlockMatrixSelection<Type>::restrictMatrix() const
nCoarseEqns_,
coarseOwner,
coarseNeighbour,
// true
false // DO NOT REUSE STORAGE! HJ, HERE
false // DO NOT REUSE STORAGE!
)
);

26
src/foam/matrices/blockLduMatrix/BlockAMG/coarseBlockAMGLevel.C
View file

@ -104,6 +104,13 @@ Foam::coarseBlockAMGLevel<Type>::~coarseBlockAMGLevel()
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
Foam::BlockLduMatrix<Type>& Foam::coarseBlockAMGLevel<Type>::matrix()
{
return matrixPtr_();
}
template<class Type>
Foam::Field<Type>& Foam::coarseBlockAMGLevel<Type>::x()
{
@ -334,4 +341,23 @@ Foam::coarseBlockAMGLevel<Type>::makeNextLevel() const
}
template<class Type>
void Foam::coarseBlockAMGLevel<Type>::initLevel
(
autoPtr<Foam::BlockAMGLevel<Type> >& coarseLevelPtr
)
{
// Update matrix by repeating coarsening
// Update smoother for new matrix
smootherPtr_->initMatrix();
// Update coarse matrix if it exists
if (coarseLevelPtr.valid())
{
coarseningPtr_->updateMatrix(coarseLevelPtr->matrix());
}
}
// ************************************************************************* //

10
src/foam/matrices/blockLduMatrix/BlockAMG/coarseBlockAMGLevel.H
View file

@ -125,6 +125,9 @@ public:
return dict_;
}
//- Return reference to matrix
virtual BlockLduMatrix<Type>& matrix();
//- Return reference to x
virtual Field<Type>& x();
@ -184,6 +187,13 @@ public:
//- Create next level from current level
virtual autoPtr<BlockAMGLevel<Type> > makeNextLevel() const;
//- Re-initialise AMG level after matrix coefficient update
// and update matrix coefficients on coarse level using same coarsening
virtual void initLevel
(
autoPtr<Foam::BlockAMGLevel<Type> >& coarseLevelPtr
);
};

35
src/foam/matrices/blockLduMatrix/BlockAMG/fineBlockAMGLevel.C
View file

@ -81,11 +81,23 @@ Foam::fineBlockAMGLevel<Type>::fineBlockAMGLevel
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
Foam::BlockLduMatrix<Type>& Foam::fineBlockAMGLevel<Type>::matrix()
{
FatalErrorIn("Field<Type>& Foam::fineBlockAMGLevel<Type>::matrix()")
<< "Access to matrix is not available on fine level."
<< abort(FatalError);
// Dummy return
return const_cast<BlockLduMatrix<Type>&>(matrix_);
}
template<class Type>
Foam::Field<Type>& Foam::fineBlockAMGLevel<Type>::x()
{
FatalErrorIn("Field<Type>& Foam::fineBlockAMGLevel<Type>::x()")
<< "x is not available."
<< "x is not available on fine level."
<< abort(FatalError);
// Dummy return
@ -97,7 +109,7 @@ template<class Type>
Foam::Field<Type>& Foam::fineBlockAMGLevel<Type>::b()
{
FatalErrorIn("Field<Type>& Foam::fineBlockAMGLevel<Type>::b()")
<< "b is not available."
<< "b is not available on fine level."
<< abort(FatalError);
// Dummy return
@ -279,4 +291,23 @@ Foam::fineBlockAMGLevel<Type>::makeNextLevel() const
}
template<class Type>
void Foam::fineBlockAMGLevel<Type>::initLevel
(
autoPtr<Foam::BlockAMGLevel<Type> >& coarseLevelPtr
)
{
// Fine matrix has been updated externally
// Update smoother for new matrix
smootherPtr_->initMatrix();
// Update coarse matrix if it exists
if (coarseLevelPtr.valid())
{
coarseningPtr_->updateMatrix(coarseLevelPtr->matrix());
}
}
// ************************************************************************* //

10
src/foam/matrices/blockLduMatrix/BlockAMG/fineBlockAMGLevel.H
View file

@ -125,6 +125,9 @@ public:
return dict_;
}
//- Return reference to matrix
virtual BlockLduMatrix<Type>& matrix();
//- Return reference to x
virtual Field<Type>& x();
@ -183,6 +186,13 @@ public:
//- Create next level from current level
virtual autoPtr<BlockAMGLevel<Type> > makeNextLevel() const;
//- Re-initialise AMG level after matrix coefficient update
// and update matrix coefficients on coarse level using same coarsening
virtual void initLevel
(
autoPtr<Foam::BlockAMGLevel<Type> >& coarseLevelPtr
);
};

1
src/foam/matrices/blockLduMatrix/BlockLduMatrix/BlockLduMatrix.C
View file

@ -67,7 +67,6 @@ Foam::BlockLduMatrix<Type>::BlockLduMatrix(const lduMesh& ldu)
coupleUpper_.set(i, new CoeffField<Type>(addr.patchAddr(i).size()));
coupleLower_.set(i, new CoeffField<Type>(addr.patchAddr(i).size()));
}
}

7
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockAMGPrecon/BlockAMGPrecon.C
View file

@ -141,4 +141,11 @@ void Foam::BlockAMGPrecon<Type>::precondition
}
template<class Type>
void Foam::BlockAMGPrecon<Type>::initMatrix()
{
amgPtr_->initMatrix();
}
// ************************************************************************* //

5
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockAMGPrecon/BlockAMGPrecon.H
View file

@ -25,7 +25,7 @@ Class
BlockAMGPrecon
Description
AMG preconditioning
Algebraic Multigrid preconditioning for block matrices
Author
Klas Jareteg, 2012-12-13
@ -141,6 +141,9 @@ public:
Field<Type>& x,
const Field<Type>& b
) const;
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix();
};

10
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockCholeskyPrecon/BlockCholeskyPrecon.C
View file

@ -914,7 +914,7 @@ Foam::BlockCholeskyPrecon<Type>::BlockCholeskyPrecon
BlockLduPrecon<Type>(matrix),
preconDiag_(matrix.diag())
{
calcPreconDiag();
this->calcPreconDiag();
}
@ -1301,4 +1301,12 @@ void Foam::BlockCholeskyPrecon<Type>::preconditionT
}
template<class Type>
void Foam::BlockCholeskyPrecon<Type>::initMatrix()
{
preconDiag_.clear();
this->calcPreconDiag();
}
// ************************************************************************* //

5
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockCholeskyPrecon/BlockCholeskyPrecon.H
View file

@ -25,7 +25,7 @@ Class
BlockCholeskyPrecon
Description
Incomplete Cholesky preconditioning with no fill-in.
Incomplete Cholesky preconditioning with no fill-in for block matrices.
Author
Hrvoje Jasak, Wikki Ltd. All rights reserved.
@ -215,6 +215,9 @@ public:
Field<Type>& xT,
const Field<Type>& bT
) const;
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix();
};

4
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockDiagonalPrecon/BlockDiagonalPrecon.H
View file

@ -107,6 +107,10 @@ public:
{
return precondition(xT, bT);
}
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix()
{}
};

10
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockGaussSeidelPrecon/BlockGaussSeidelPrecon.C
View file

@ -946,4 +946,14 @@ void Foam::BlockGaussSeidelPrecon<Type>::preconditionT
}
template<class Type>
void Foam::BlockGaussSeidelPrecon<Type>::initMatrix()
{
invDiag_.clear();
LUDiag_.clear();
this->calcInvDiag();
}
// ************************************************************************* //

3
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockGaussSeidelPrecon/BlockGaussSeidelPrecon.H
View file

@ -172,6 +172,9 @@ public:
Field<Type>& xT,
const Field<Type>& bT
) const;
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix();
};

13
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockILUCpPrecon/BlockILUCpPrecon.C
View file

@ -840,4 +840,17 @@ void Foam::BlockILUCpPrecon<Type>::preconditionT
}
template<class Type>
void Foam::BlockILUCpPrecon<Type>::initMatrix()
{
// Clear extended matrix
extBlockMatrix_.extendedLower().clear();
extBlockMatrix_.extendedLower().clear();
preconDiag_.clear();
this->calcFactorization();
}
// ************************************************************************* //

3
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockILUCpPrecon/BlockILUCpPrecon.H
View file

@ -168,6 +168,9 @@ public:
Field<Type>& xT,
const Field<Type>& bT
) const;
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix();
};

3
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockLduPrecon/BlockLduPrecon.H
View file

@ -140,6 +140,9 @@ public:
"(Field<Type>& xT, const Field<Type>& bT) const"
);
}
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix() = 0;
};

4
src/foam/matrices/blockLduMatrix/BlockLduPrecons/BlockNoPrecon/BlockNoPrecon.H
View file

@ -109,6 +109,10 @@ public:
{
precondition(xT, bT);
}
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix()
{}
};

6
src/foam/matrices/blockLduMatrix/BlockLduSmoothers/BlockGaussSeidelSmoother/BlockGaussSeidelSmoother.H
View file

@ -111,6 +111,12 @@ public:
gs_.precondition(x, b);
}
}
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix()
{
gs_.initMatrix();
}
};

6
src/foam/matrices/blockLduMatrix/BlockLduSmoothers/BlockILUCpSmoother/BlockILUCpSmoother.H
View file

@ -127,6 +127,12 @@ public:
x += xCorr_;
}
}
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix()
{
precon_.initMatrix();
}
};

6
src/foam/matrices/blockLduMatrix/BlockLduSmoothers/BlockILUSmoother/BlockILUSmoother.H
View file

@ -133,6 +133,12 @@ public:
x += xCorr_;
}
}
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix()
{
precon_.initMatrix();
}
};

3
src/foam/matrices/blockLduMatrix/BlockLduSmoothers/BlockLduSmoother/BlockLduSmoother.H
View file

@ -125,6 +125,9 @@ public:
const Field<Type>& b,
const label nSweeps
) const = 0;
//- Re-initialise preconditioner after matrix coefficient update
virtual void initMatrix() = 0;
};

3
src/foam/matrices/blockLduMatrix/BlockLduSolvers/BlockAMGSolver/BlockAMGSolver.H
View file

@ -93,8 +93,7 @@ public:
);
// Destructor
//- Destructor
virtual ~BlockAMGSolver()
{}