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solidEquilibriumDisplacementFoam.C
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23 
24 Application
25  solidEquilibriumDisplacementFoam
26 
27 Description
28  Steady-state segregated finite-volume solver of linear-elastic,
29  small-strain deformation of a solid body, with optional thermal
30  diffusion and thermal stresses.
31 
32  Simple linear elasticity structural analysis code.
33  Solves for the displacement vector field D, also generating the
34  stress tensor field sigma.
35 
36 \*---------------------------------------------------------------------------*/
37 
38 #include "fvCFD.H"
40 
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 
43 int main(int argc, char *argv[])
44 {
45  #define NO_CONTROL
46  #include "postProcess.H"
47 
48  #include "setRootCaseLists.H"
49  #include "createTime.H"
50  #include "createMesh.H"
51  #include "createFields.H"
52 
53  // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
54 
55  Info<< "\nCalculating displacement field\n" << endl;
56 
57  while (runTime.loop())
58  {
59  Info<< "Iteration: " << runTime.value() << nl << endl;
60 
62 
63  solve
64  (
65  fvm::laplacian(2*mu + lambda, Dcorr, "laplacian(DD,Dcorr)")
66  + fvc::div(sigmaExp + sigmaD)
67  );
68 
69  D += accFac*Dcorr;
70 
71  {
72  volTensorField gradDcorr(fvc::grad(Dcorr));
73 
74  sigmaExp =
75  (lambda - mu)*gradDcorr + mu*gradDcorr.T()
76  + (lambda*I)*tr(gradDcorr);
77 
78  sigmaD += accFac*(mu*twoSymm(gradDcorr) + (lambda*I)*tr(gradDcorr));
79  }
80 
81  #include "calculateStress.H"
82  #include "kineticEnergyLimiter.H"
83 
84  Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
85  << " ClockTime = " << runTime.elapsedClockTime() << " s"
86  << nl << endl;
87  }
88 
89  Info<< "End\n" << endl;
90 
91  return 0;
92 }
93 
94 
95 // ************************************************************************* //
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcGrad.C:52
dimensionedScalar lambda(laminarTransport.lookup("lambda"))
GeometricField< tensor, fvPatchField, volMesh > volTensorField
Definition: volFieldsFwd.H:62
tmp< GeometricField< Type, fvPatchField, volMesh > > div(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcDiv.C:47
engineTime & runTime
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:251
tmp< GeometricField< Type, fvPatchField, volMesh > > laplacian(const GeometricField< Type, fvPatchField, volMesh > &vf, const word &name)
Definition: fvcLaplacian.C:45
dimensionedSymmTensor twoSymm(const dimensionedSymmTensor &dt)
static const Identity< scalar > I
Definition: Identity.H:93
const scalar accFac(mesh.solutionDict().subDict("stressAnalysis") .lookup< scalar >("accelerationFactor"))
dimensionedScalar tr(const dimensionedSphericalTensor &dt)
static const char nl
Definition: Ostream.H:260
const dimensionedScalar mu
Atomic mass unit.
dimensioned< Type > T() const
Return transpose.
rhoEqn solve()
messageStream Info
Execute application functionObjects to post-process existing results.