{ Info<< "Time: " << runTime.timeName() << nl << endl; # include "readSolidMechanicsControls.H" volScalarField mu = rheology.mu(0); volScalarField lambda = rheology.lambda(0); Info << "mu = " << average(mu.internalField()) << endl; Info << "lambda = " << average(lambda.internalField()) << endl; int iCorr = 0; lduSolverPerformance solverPerf; scalar initialResidual = 0; scalar err = GREAT; do { DU.storePrevIter(); fvVectorMatrix DUEqn ( fvm::laplacian(2*mu+lambda, DU, "laplacian(DDU,DU)") + fvc::div ( mu*gradDU.T() + lambda*(I*tr(gradDU)) - (mu + lambda)*gradDU, "div(sigma)" ) ); solverPerf = DUEqn.solve(); DU.relax(); if(iCorr == 0) { initialResidual = solverPerf.initialResidual(); } gradDU = fvc::grad(DU); } while ( solverPerf.initialResidual() > convergenceTolerance && ++iCorr < nCorr ); Info << "Solving for " << DU.name() << " using " << solverPerf.solverName() << " solver" << ", Initial residula = " << initialResidual << ", Final residual = " << solverPerf.initialResidual() << ", No outer iterations " << iCorr << ", Relative error: " << err << endl; U += DU; # include "calculateDSigma.H" sigma += DSigma; { DSigmaCorr = dimensionedSymmTensor ( "zero", dimForce/dimArea, symmTensor::zero ); scalar t = runTime.value(); scalar tNext = t + runTime.deltaT().value(); DSigmaCorr += 2.0*rheology.mu(tNext)*Depsilon + rheology.lambda(tNext)*(I*tr(Depsilon)); DSigmaCorr -= sigma; } # include "calculateStress.H" # include "writeHistory.H" Depsilon.write(); Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s\n\n" << endl; }