24 lines
750 B
C
24 lines
750 B
C
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{
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// Volume and motion flux check
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scalar newTotalVolume = sum(mesh.V()).value();
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volScalarField motionContErr =
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fvc::ddt(dimensionedScalar("1", dimless, 1.0), mesh)
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- fvc::div(fvc::meshPhi(U));
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scalar sumLocalContErr = runTime.deltaT().value()*
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mag(motionContErr)().weightedAverage(mesh.V()).value();
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scalar maxContErr =
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runTime.deltaT().value()*max(motionContErr.internalField());
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Info<< "Volume: new = " << newTotalVolume << " old = " << totalVolume
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<< " change = " << Foam::mag(newTotalVolume - totalVolume) << nl
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<< "Motion continuity errors : sum local = " << sumLocalContErr
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<< ", maximum = " << maxContErr
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<< endl;
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totalVolume = newTotalVolume;
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}
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