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foam-extend4.1-coherent-io/applications/solvers/solidMechanics/elasticPlasticNonLinTLSolidFoam/readDivDSigmaExpMethod.H

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C

//- how explicit component of sigma is to be calculated
word divDSigmaExpMethod(mesh.solutionDict().subDict("solidMechanics").lookup("divSigmaExp"));
Info << "divSigmaExp method " << divDSigmaExpMethod << endl;
if(divDSigmaExpMethod != "standard" && divDSigmaExpMethod != "surface" && divDSigmaExpMethod != "decompose" && divDSigmaExpMethod != "laplacian")
{
FatalError << "divSigmaExp method " << divDSigmaExpMethod << " not found!" << nl
<< "valid methods are:\nstandard\nsurface\ndecompose\nlaplacian"
<< exit(FatalError);
}