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foam-extend4.1-coherent-io/applications/solvers/solidMechanics/elasticContactSolidFoam/createFields.H
2012-09-11 16:42:55 +01:00

91 lines
2 KiB
C

Info<< "Reading field U\n" << endl;
volVectorField U
(
IOobject
(
"U",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
volTensorField gradU = fvc::grad(U);
surfaceVectorField snGradU = fvc::snGrad(U);
volVectorField V
(
IOobject
(
"V",
runTime.timeName(),
mesh,
IOobject::READ_IF_PRESENT,
IOobject::AUTO_WRITE
),
fvc::ddt(U)
);
volTensorField gradV = fvc::ddt(gradU);
surfaceVectorField snGradV = (snGradU - snGradU.oldTime())/runTime.deltaT();
volSymmTensorField epsilon
(
IOobject
(
"epsilon",
runTime.timeName(),
mesh,
IOobject::READ_IF_PRESENT,
IOobject::AUTO_WRITE
),
mesh,
dimensionedSymmTensor("zero", dimless, symmTensor::zero)
);
volSymmTensorField sigma
(
IOobject
(
"sigma",
runTime.timeName(),
mesh,
IOobject::READ_IF_PRESENT,
IOobject::AUTO_WRITE
),
mesh,
dimensionedSymmTensor("zero", dimForce/dimArea, symmTensor::zero)
);
volVectorField divSigmaExp
(
IOobject
(
"divSigmaExp",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh,
dimensionedVector("zero", dimensionSet(1,-2,-2,0,0,0,0), vector::zero)
);
// read rheology properties
rheologyModel rheology(sigma);
volScalarField rho = rheology.rho();
volScalarField mu = rheology.mu();
volScalarField lambda = rheology.lambda();
surfaceScalarField muf = fvc::interpolate(mu, "mu");
surfaceScalarField lambdaf = fvc::interpolate(lambda, "lambda");
surfaceVectorField n = mesh.Sf()/mesh.magSf();
//- create contact problem
contactProblem contact(U);