104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
if (runTime.outputTime())
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{
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volScalarField epsilonEq
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(
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IOobject
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(
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"epsilonEq",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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sqrt((2.0/3.0)*magSqr(dev(epsilon)))
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);
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Info<< "Max epsilonEq = " << max(epsilonEq).value()
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<< endl;
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volScalarField sigmaEq
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(
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IOobject
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(
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"sigmaEq",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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sqrt((3.0/2.0)*magSqr(dev(sigma)))
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);
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Info<< "Max sigmaEq = " << max(sigmaEq).value()
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<< endl;
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//- Calculate Cauchy stress
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volTensorField F = I + gradU;
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volScalarField J = det(F);
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//- update density
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rho = rho/J;
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volSymmTensorField sigmaCauchy
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(
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IOobject
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(
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"sigmaCauchy",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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(1/J) * symm(F.T() & sigma & F)
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);
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//- Cauchy von Mises stress
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volScalarField sigmaCauchyEq
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(
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IOobject
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(
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"sigmaCauchyEq",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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sqrt((3.0/2.0)*magSqr(dev(sigmaCauchy)))
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);
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Info<< "Max sigmaCauchyEq = " << max(sigmaCauchyEq).value()
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<< endl;
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//- write boundary forces
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//- integrate (sigma2PK & F) over reference area
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//- which is equivalent to integrating sigmaCauchy
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//- over the deformed area
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Info << nl;
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forAll(mesh.boundary(), patchi)
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{
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Info << "Patch " << mesh.boundary()[patchi].name() << endl;
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tensorField F = I + gradU.boundaryField()[patchi];
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vectorField totalForce = mesh.Sf().boundaryField()[patchi] & (sigma.boundaryField()[patchi] & F);
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vector force = sum( totalForce );
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Info << "\ttotal force is " << force << " N" << endl;
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tensorField Finv = inv(F);
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vectorField nCurrent = Finv & n.boundaryField()[patchi];
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nCurrent /= mag(nCurrent);
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scalar normalForce = sum( nCurrent & totalForce );
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Info << "\tnormal force is " << normalForce << " N" << endl;
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scalar shearForce = mag(sum( (I - sqr(nCurrent)) & totalForce ));
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Info << "\tshear force is " << shearForce << " N" << endl << endl;;
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}
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//- move mesh for visualisation and move it back after writing
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vectorField oldPoints = mesh.allPoints();
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# include "moveMeshLeastSquares.H"
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runTime.write();
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//- move mesh back
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mesh.movePoints(oldPoints);
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}
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