createFields.H

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#include "readMechanicalProperties.H"
#include "readThermalProperties.H"
 
Info<< "Reading field D\n" << endl;
volVectorField D
(
    IOobject
    (
        "D",
        runTime.timeName(),
        mesh,
        IOobject::MUST_READ,
        IOobject::AUTO_WRITE
    ),
    mesh
);
 
 
autoPtr<volScalarField> Tptr;
 
if (thermalStress)
{
    Info<< "Reading field T\n" << endl;
    Tptr.reset
    (
        new volScalarField
        (
            IOobject
            (
                "T",
                runTime.timeName(),
                mesh,
                IOobject::MUST_READ,
                IOobject::AUTO_WRITE
            ),
            mesh
        )
    );
}
 
 
Info<< "Calculating stress field sigmaD\n" << endl;
volSymmTensorField sigmaD
(
    IOobject
    (
        "sigmaD",
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
        IOobject::NO_WRITE
    ),
    mu*twoSymm(fvc::grad(D)) + lambda*(I*tr(fvc::grad(D)))
);
 
Info<< "Calculating explicit part of div(sigma) divSigmaExp\n" << endl;
volVectorField divSigmaExp
(
    IOobject
    (
        "divSigmaExp",
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
        IOobject::NO_WRITE
    ),
    fvc::div(sigmaD)
);
 
if (compactNormalStress)
{
    divSigmaExp -= fvc::laplacian(2*mu + lambda, D, "laplacian(DD,D)");
}
else
{
    divSigmaExp -= fvc::div((2*mu + lambda)*fvc::grad(D), "div(sigmaD)");
}
 
mesh.setFluxRequired(D.name());