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All ldu solvers: new optional parameter "minIter"

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to specify the minimum number of iterations the solver should perform.
This commit is contained in:
Henry
2013-12-11 17:27:27 +00:00
parent a8c917fd4b
commit 79614840b3
12 changed files with 80 additions and 22 deletions
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3
src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrix.H
View File

@ -125,6 +125,9 @@ public:
//- Maximum number of iterations in the solver
label maxIter_;
//- Minimum number of iterations in the solver
label minIter_;
//- Final convergence tolerance
Type tolerance_;

2
src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixSolver.C
View File

@ -135,6 +135,7 @@ Foam::LduMatrix<Type, DType, LUType>::solver::solver
controlDict_(solverDict),
maxIter_(1000),
minIter_(0),
tolerance_(1e-6*pTraits<Type>::one),
relTol_(pTraits<Type>::zero)
{
@ -148,6 +149,7 @@ template<class Type, class DType, class LUType>
void Foam::LduMatrix<Type, DType, LUType>::solver::readControls()
{
readControl(controlDict_, maxIter_, "maxIter");
readControl(controlDict_, minIter_, "minIter");
readControl(controlDict_, tolerance_, "tolerance");
readControl(controlDict_, relTol_, "relTol");
}

11
src/OpenFOAM/matrices/LduMatrix/Solvers/PBiCCCG/PBiCCCG.C
View File

@ -104,7 +104,11 @@ Foam::PBiCCCG<Type, DType, LUType>::solve
solverPerf.finalResidual() = solverPerf.initialResidual();
// --- Check convergence, solve if not converged
if (!solverPerf.checkConvergence(this->tolerance_, this->relTol_))
if
(
this->minIter_ > 0
|| !solverPerf.checkConvergence(this->tolerance_, this->relTol_)
)
{
// --- Select and construct the preconditioner
autoPtr<typename LduMatrix<Type, DType, LUType>::preconditioner>
@ -181,9 +185,12 @@ Foam::PBiCCCG<Type, DType, LUType>::solve
cmptDivide(gSumCmptMag(rA), normFactor);
} while
(
(
solverPerf.nIterations()++ < this->maxIter_
&& !(solverPerf.checkConvergence(this->tolerance_, this->relTol_))
&& !solverPerf.checkConvergence(this->tolerance_, this->relTol_)
)
|| solverPerf.nIterations() < this->minIter_
);
}

11
src/OpenFOAM/matrices/LduMatrix/Solvers/PCICG/PCICG.C
View File

@ -92,7 +92,11 @@ Foam::PCICG<Type, DType, LUType>::solve(Field<Type>& psi) const
solverPerf.finalResidual() = solverPerf.initialResidual();
// --- Check convergence, solve if not converged
if (!solverPerf.checkConvergence(this->tolerance_, this->relTol_))
if
(
this->minIter_ > 0
|| !solverPerf.checkConvergence(this->tolerance_, this->relTol_)
)
{
// --- Select and construct the preconditioner
autoPtr<typename LduMatrix<Type, DType, LUType>::preconditioner>
@ -173,9 +177,12 @@ Foam::PCICG<Type, DType, LUType>::solve(Field<Type>& psi) const
cmptDivide(gSumCmptMag(rA), normFactor);
} while
(
(
solverPerf.nIterations()++ < this->maxIter_
&& !(solverPerf.checkConvergence(this->tolerance_, this->relTol_))
&& !solverPerf.checkConvergence(this->tolerance_, this->relTol_)
)
|| solverPerf.nIterations() < this->minIter_
);
}

11
src/OpenFOAM/matrices/LduMatrix/Solvers/SmoothSolver/SmoothSolver.C
View File

@ -113,7 +113,11 @@ Foam::SmoothSolver<Type, DType, LUType>::solve(Field<Type>& psi) const
// Check convergence, solve if not converged
if (!solverPerf.checkConvergence(this->tolerance_, this->relTol_))
if
(
this->minIter_ > 0
|| !solverPerf.checkConvergence(this->tolerance_, this->relTol_)
)
{
autoPtr<typename LduMatrix<Type, DType, LUType>::smoother>
smootherPtr = LduMatrix<Type, DType, LUType>::smoother::New
@ -139,9 +143,12 @@ Foam::SmoothSolver<Type, DType, LUType>::solve(Field<Type>& psi) const
normFactor
);
} while
(
(
(solverPerf.nIterations() += nSweeps_) < this->maxIter_
&& !(solverPerf.checkConvergence(this->tolerance_, this->relTol_))
&& !solverPerf.checkConvergence(this->tolerance_, this->relTol_)
)
|| solverPerf.nIterations() < this->minIter_
);
}
}

3
src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H
View File

@ -107,6 +107,9 @@ public:
//- Maximum number of iterations in the solver
label maxIter_;
//- Minimum number of iterations in the solver
label minIter_;
//- Final convergence tolerance
scalar tolerance_;

1
src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrixSolver.C
View File

@ -164,6 +164,7 @@ Foam::lduMatrix::solver::solver
void Foam::lduMatrix::solver::readControls()
{
maxIter_ = controlDict_.lookupOrDefault<label>("maxIter", 1000);
minIter_ = controlDict_.lookupOrDefault<label>("minIter", 0);
tolerance_ = controlDict_.lookupOrDefault<scalar>("tolerance", 1e-6);
relTol_ = controlDict_.lookupOrDefault<scalar>("relTol", 0);
}

11
src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverSolve.C
View File

@ -69,7 +69,11 @@ Foam::solverPerformance Foam::GAMGSolver::solve
// Check convergence, solve if not converged
if (!solverPerf.checkConvergence(tolerance_, relTol_))
if
(
minIter_ > 0
|| !solverPerf.checkConvergence(tolerance_, relTol_)
)
{
// Create coarse grid correction fields
PtrList<scalarField> coarseCorrFields;
@ -130,9 +134,12 @@ Foam::solverPerformance Foam::GAMGSolver::solve
solverPerf.print(Info(matrix().mesh().comm()));
}
} while
(
(
++solverPerf.nIterations() < maxIter_
&& !(solverPerf.checkConvergence(tolerance_, relTol_))
&& !solverPerf.checkConvergence(tolerance_, relTol_)
)
|| solverPerf.nIterations() < minIter_
);
}

11
src/OpenFOAM/matrices/lduMatrix/solvers/PBiCG/PBiCG.C
View File

@ -120,7 +120,11 @@ Foam::solverPerformance Foam::PBiCG::solve
solverPerf.finalResidual() = solverPerf.initialResidual();
// --- Check convergence, solve if not converged
if (!solverPerf.checkConvergence(tolerance_, relTol_))
if
(
minIter_ > 0
|| !solverPerf.checkConvergence(tolerance_, relTol_)
)
{
// --- Select and construct the preconditioner
autoPtr<lduMatrix::preconditioner> preconPtr =
@ -191,9 +195,12 @@ Foam::solverPerformance Foam::PBiCG::solve
gSumMag(rA, matrix().mesh().comm())
/normFactor;
} while
(
(
solverPerf.nIterations()++ < maxIter_
&& !(solverPerf.checkConvergence(tolerance_, relTol_))
&& !solverPerf.checkConvergence(tolerance_, relTol_)
)
|| solverPerf.nIterations() < minIter_
);
}

11
src/OpenFOAM/matrices/lduMatrix/solvers/PCG/PCG.C
View File

@ -111,7 +111,11 @@ Foam::solverPerformance Foam::PCG::solve
solverPerf.finalResidual() = solverPerf.initialResidual();
// --- Check convergence, solve if not converged
if (!solverPerf.checkConvergence(tolerance_, relTol_))
if
(
minIter_ > 0
|| !solverPerf.checkConvergence(tolerance_, relTol_)
)
{
// --- Select and construct the preconditioner
autoPtr<lduMatrix::preconditioner> preconPtr =
@ -176,9 +180,12 @@ Foam::solverPerformance Foam::PCG::solve
/normFactor;
} while
(
(
solverPerf.nIterations()++ < maxIter_
&& !(solverPerf.checkConvergence(tolerance_, relTol_))
&& !solverPerf.checkConvergence(tolerance_, relTol_)
)
|| solverPerf.nIterations() < minIter_
);
}

11
src/OpenFOAM/matrices/lduMatrix/solvers/smoothSolver/smoothSolver.C
View File

@ -138,7 +138,11 @@ Foam::solverPerformance Foam::smoothSolver::solve
// Check convergence, solve if not converged
if (!solverPerf.checkConvergence(tolerance_, relTol_))
if
(
minIter_ > 0
|| !solverPerf.checkConvergence(tolerance_, relTol_)
)
{
autoPtr<lduMatrix::smoother> smootherPtr = lduMatrix::smoother::New
(
@ -175,9 +179,12 @@ Foam::solverPerformance Foam::smoothSolver::solve
matrix().mesh().comm()
)/normFactor;
} while
(
(
(solverPerf.nIterations() += nSweeps_) < maxIter_
&& !(solverPerf.checkConvergence(tolerance_, relTol_))
&& !solverPerf.checkConvergence(tolerance_, relTol_)
)
|| solverPerf.nIterations() < minIter_
);
}
}