26 lines
698 B
C
26 lines
698 B
C
if(divDSigmaNonLinExpMethod == "standard")
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{
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divDSigmaNonLinExp = fvc::div
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(
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( mu * (gradDU & gradDU.T()) )
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+ ( 0.5 * lambda * tr(gradDU & gradDU.T()) * I )
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+ ( (sigma + DSigma) & gradDU ),
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"div(sigma)"
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);
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}
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else if(divDSigmaNonLinExpMethod == "surface")
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{
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divDSigmaNonLinExp = fvc::div
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(
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mesh.magSf()*
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(
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( muf * (n & fvc::interpolate( gradDU & gradDU.T() )) )
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+ ( 0.5*lambdaf * (n * tr(fvc::interpolate( gradDU & gradDU.T() ))) )
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+ (n & fvc::interpolate( (sigma + DSigma) & gradDU ))
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)
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);
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}
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else
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{
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FatalError << "divDSigmaExp method " << divDSigmaExpMethod << " not found!" << endl;
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}
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