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foam-extend4.1-coherent-io/applications/solvers/solidMechanics/elasticIncrAcpSolidFoam/calculateDEpsilonDSigma.H

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2012-09-11 15:42:55 +00:00
DEpsilon = symm(gradDU);
DSigma = 2*mu*DEpsilon + lambda*(I*tr(DEpsilon));