167 lines
4.9 KiB
C
167 lines
4.9 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2011 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "pimpleControl.H"
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#include "Switch.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(pimpleControl, 0);
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}
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// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
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void Foam::pimpleControl::read()
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{
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solutionControl::read(false);
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// Read solution controls
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const dictionary& pimpleDict = dict();
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nOuterCorr_ = pimpleDict.lookupOrDefault<label>("nOuterCorrectors", 1);
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nCorr_ = pimpleDict.lookupOrDefault<label>("nCorrectors", 1);
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turbOnFinalIterOnly_ =
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pimpleDict.lookupOrDefault<Switch>("turbOnFinalIterOnly", true);
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}
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bool Foam::pimpleControl::criteriaSatisfied()
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{
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if ((corr_ == 0) || residualControl_.empty() || finalIter())
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{
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return false;
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}
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bool firstIter = corr_ == 1;
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bool achieved = true;
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const dictionary& solverDict = mesh_.solverPerformanceDict();
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forAllConstIter(dictionary, solverDict, iter)
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{
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const word& variableName = iter().keyword();
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label fieldI = applyToField(variableName);
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if (fieldI != -1)
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{
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const List<lduMatrix::solverPerformance> sp(iter().stream());
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const scalar residual = sp.last().initialResidual();
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if (firstIter)
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{
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residualControl_[fieldI].initialResidual =
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sp.first().initialResidual();
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}
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bool absCheck = residual < residualControl_[fieldI].absTol;
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bool relCheck = false;
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scalar relative = 0.0;
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if (!firstIter)
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{
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scalar iniRes =
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residualControl_[fieldI].initialResidual
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+ ROOTVSMALL;
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relative = residual/iniRes;
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relCheck = relative < residualControl_[fieldI].relTol;
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}
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achieved = achieved && (absCheck || relCheck);
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if (debug)
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{
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Info<< algorithmName_ << "loop statistics:" << endl;
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Info<< " " << variableName << " iter " << corr_
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<< ": ini res = "
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<< residualControl_[fieldI].initialResidual
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<< ", abs tol = " << residual
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<< " (" << residualControl_[fieldI].absTol << ")"
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<< ", rel tol = " << relative
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<< " (" << residualControl_[fieldI].relTol << ")"
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<< endl;
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}
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}
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}
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return achieved;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::pimpleControl::pimpleControl(fvMesh& mesh)
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:
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solutionControl(mesh, "PIMPLE"),
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nOuterCorr_(0),
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nCorr_(0),
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corr_(0),
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turbOnFinalIterOnly_(true)
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{
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read();
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if (nOuterCorr_ > 1)
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{
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Info<< nl;
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if (!residualControl_.empty())
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{
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Info<< algorithmName_ << ": max iterations = " << nOuterCorr_
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<< endl;
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forAll(residualControl_, i)
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{
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Info<< " field " << residualControl_[i].name << token::TAB
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<< ": relTol " << residualControl_[i].relTol
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<< ", tolerance " << residualControl_[i].absTol
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<< nl;
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}
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Info<< endl;
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}
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else
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{
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Info<< algorithmName_ << ": no residual control data found. " << nl
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<< "Calculations will employ " << nOuterCorr_
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<< " corrector loops" << nl << endl;
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}
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}
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else
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{
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Info<< nl << algorithmName_ << ": Operating solver in PISO mode" << nl
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<< endl;
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}
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::pimpleControl::~pimpleControl()
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{}
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// ************************************************************************* //
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