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foam-extend4.1-coherent-io/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/compressibleContinuityErrors.C

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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
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under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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for more details.
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Description
Continuity errors for fluid meshes
\*---------------------------------------------------------------------------*/
void compressibleContinuityErrors
(
scalar& cumulativeContErr,
const volScalarField& rho,
const basicThermo& thermo
)
{
dimensionedScalar totalMass = fvc::domainIntegrate(rho);
scalar sumLocalContErr =
(
fvc::domainIntegrate(mag(rho - thermo.rho()))/totalMass
).value();
scalar globalContErr =
(
fvc::domainIntegrate(rho - thermo.rho())/totalMass
).value();
cumulativeContErr += globalContErr;
const word& regionName = rho.mesh().name();
Info<< "time step continuity errors (" << regionName << ")"
<< ": sum local = " << sumLocalContErr
<< ", global = " << globalContErr
<< ", cumulative = " << cumulativeContErr
<< endl;
}