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foam-extend4.1-coherent-io/applications/solvers/stressAnalysis/solidEquilibriumDisplacementFoam/createFields.H

54 lines
976 B
C

Info<< "Reading displacement field D\n" << endl;
volVectorField D
(
IOobject
(
"D",
runTime.timeName(),
mesh,
IOobject::MUST_READ,
IOobject::AUTO_WRITE
),
mesh
);
Info<< "Reading/setting displacement correction field Dcorr\n" << endl;
volVectorField Dcorr
(
IOobject
(
"Dcorr",
runTime.timeName(),
mesh
),
D
);
Dcorr *= 0.0;
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))
);
volTensorField sigmaExp
(
IOobject
(
"sigmaExp",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
(lambda - mu)*fvc::grad(Dcorr) + mu*fvc::grad(Dcorr)().T()
+ (lambda*I)*tr(fvc::grad(Dcorr))
);