144 lines
3.1 KiB
C
144 lines
3.1 KiB
C
Info<< "Reading field U\n" << endl;
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volVectorField U
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(
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IOobject
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(
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"U",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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mesh
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);
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// volTensorField gradU = fvc::grad(U);
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volTensorField gradU
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(
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IOobject
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(
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"grad(U)",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh,
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dimensionedTensor("zero", dimless, tensor::zero)
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);
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//surfaceVectorField snGradU = fvc::snGrad(U);
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surfaceVectorField snGradU
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(
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IOobject
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(
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"snGrad(U)",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh,
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dimensionedVector("zero", dimless, vector::zero)
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);
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volVectorField V
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(
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IOobject
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(
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"V",
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runTime.timeName(),
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mesh,
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IOobject::READ_IF_PRESENT,
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IOobject::AUTO_WRITE
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),
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fvc::ddt(U)
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);
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volTensorField gradV = fvc::ddt(gradU);
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surfaceVectorField snGradV = (snGradU - snGradU.oldTime())/runTime.deltaT();
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volSymmTensorField epsilon
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(
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IOobject
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(
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"epsilon",
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runTime.timeName(),
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mesh,
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IOobject::READ_IF_PRESENT,
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IOobject::AUTO_WRITE
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),
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mesh,
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dimensionedSymmTensor("zero", dimless, symmTensor::zero)
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);
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volSymmTensorField sigma
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(
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IOobject
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(
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"sigma",
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runTime.timeName(),
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mesh,
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IOobject::READ_IF_PRESENT,
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IOobject::AUTO_WRITE
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),
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mesh,
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dimensionedSymmTensor("zero", dimForce/dimArea, symmTensor::zero)
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);
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volVectorField divSigmaExp
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(
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IOobject
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(
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"divSigmaExp",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh,
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dimensionedVector("zero", dimForce/dimVolume, vector::zero)
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);
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constitutiveModel rheology(sigma, U);
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volScalarField rho = rheology.rho();
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volScalarField mu = rheology.mu();
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volScalarField lambda = rheology.lambda();
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surfaceScalarField muf = rheology.muf();
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surfaceScalarField lambdaf = rheology.lambdaf();
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surfaceVectorField n = mesh.Sf()/mesh.magSf();
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// check if there are contact boundaries to know
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// if contact fields should be written for visualisation
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// note: this is just for visualisation
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// bool contactBoundaries = false;
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// forAll(U.boundaryField(), patchi)
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// {
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// if(U.boundaryField()[patchi].type()
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// ==
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// solidContactFvPatchVectorField::typeName)
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// {
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// contactBoundaries = true;
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// break;
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// }
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// }
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// for aitken relaxation
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volVectorField aitkenDelta
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(
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IOobject
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(
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"aitkenDelta",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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mesh,
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dimensionedVector("zero", dimLength, vector::zero)
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);
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// aitken relaxation factor
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scalar aitkenInitialRes = 1.0;
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scalar aitkenTheta = 0.1;
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