4b60453cf1
- change system/controlDict to use functions {..} instead of functions (..);
* This is internally more efficient
- fixed formatting of system/controlDict functions entry
- pedantic change: use 'return 0' instead of 'return(0)' in the applications,
since return is a C/C++ keyword, not a function.
194 lines
5.1 KiB
C
194 lines
5.1 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) 1991-2009 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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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momentScalarError
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Description
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Estimates the error in the solution for a scalar transport equation in the
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standard form
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "linear.H"
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#include "gaussConvectionScheme.H"
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#include "gaussLaplacianScheme.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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# include "addTimeOptions.H"
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# include "setRootCase.H"
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Info<< "\nEstimating error in scalar transport equation\n" << endl;
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# include "createTime.H"
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// Get times list
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instantList Times = runTime.times();
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# include "checkTimeOptions.H"
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runTime.setTime(Times[startTime], startTime);
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# include "createMesh.H"
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Info<< "Reading transportProperties\n" << endl;
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IOdictionary transportProperties
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(
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IOobject
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(
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"transportProperties",
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runTime.constant(),
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mesh,
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IOobject::MUST_READ,
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IOobject::NO_WRITE
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)
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);
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Info<< "Reading diffusivity DT\n" << endl;
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dimensionedScalar DT
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(
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transportProperties.lookup("DT")
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);
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for (label i=startTime; i<endTime; i++)
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{
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runTime.setTime(Times[i], i);
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Info<< "Time = " << runTime.timeName() << endl;
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mesh.readUpdate();
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IOobject THeader
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(
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"T",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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IOobject Uheader
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(
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"U",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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if (THeader.headerOk() && Uheader.headerOk())
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{
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Info << "Reading T" << endl;
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volScalarField T(THeader, mesh);
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Info << "Reading U" << endl;
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volVectorField U(Uheader, mesh);
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# include "createPhi.H"
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volVectorField gradT = fvc::grad(T);
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volScalarField TE = 0.5*sqr(T);
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volScalarField L
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(
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IOobject
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(
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"L",
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mesh.time().timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh,
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dimensionedScalar("one", dimLength, 1.0)
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);
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L.internalField() =
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mesh.V()/fvc::surfaceSum(mesh.magSf())().internalField();
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// Divergence of the error in the T squared
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volScalarField momError
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(
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IOobject
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(
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"momErrorL" + T.name(),
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mesh.time().timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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sqrt
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(
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2.0*mag
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(
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(
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fv::gaussConvectionScheme<scalar>
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(
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mesh,
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phi,
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tmp<surfaceInterpolationScheme<scalar> >
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(
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new linear<scalar>(mesh)
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)
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).fvcDiv(phi, TE)
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- DT*
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fv::gaussLaplacianScheme<scalar, scalar>(mesh)
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.fvcLaplacian
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(
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TE
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)
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+ DT*(gradT & gradT)
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)*L/(mag(U) + DT/L)
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)
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)
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);
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momError.boundaryField() = 0.0;
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momError.write();
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}
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else
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{
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Info<< " No T or U" << endl;
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}
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Info<< endl;
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}
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Info<< "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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