mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
ENH: applyBoundaryLayer - added option -compressible for application to compressible flows
This commit is contained in:
@ -1,7 +1,10 @@
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EXE_INC = \
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-I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
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-I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
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-I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
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-I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
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-I$(LIB_SRC)/transportModels \
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-I$(LIB_SRC)/transportModels/compressible/lnInclude \
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-I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
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-I$(LIB_SRC)/finiteVolume/lnInclude \
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-I$(LIB_SRC)/meshTools/lnInclude
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@ -9,7 +12,9 @@ EXE_INC = \
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EXE_LIBS = \
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-lturbulenceModels \
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-lincompressibleTurbulenceModels \
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-lcompressibleTurbulenceModels \
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-lincompressibleTransportModels \
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-lcompressibleTransportModels \
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-lgenericPatchFields \
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-lfiniteVolume \
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-lmeshTools
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@ -38,7 +38,9 @@ Description
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#include "fvCFD.H"
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#include "singlePhaseTransportModel.H"
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#include "turbulentTransportModel.H"
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#include "turbulentFluidThermoModel.H"
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#include "wallDist.H"
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#include "processorFvPatchField.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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@ -46,6 +48,266 @@ Description
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static const scalar Cmu(0.09);
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static const scalar kappa(0.41);
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void correctProcessorPatches(volScalarField& vf)
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{
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if (!Pstream::parRun())
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{
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return;
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}
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// Not possible to use correctBoundaryConditions on fields as they may
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// use local info as opposed to the constraint values employed here,
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// but still need to update processor patches
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volScalarField::GeometricBoundaryField& bf = vf.boundaryField();
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forAll(bf, patchI)
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{
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if (isA<processorFvPatchField<scalar> >(bf[patchI]))
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{
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bf[patchI].initEvaluate();
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}
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}
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forAll(bf, patchI)
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{
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if (isA<processorFvPatchField<scalar> >(bf[patchI]))
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{
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bf[patchI].evaluate();
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}
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}
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}
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template<class TurbulenceModel>
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Foam::tmp<Foam::volScalarField> calcK
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(
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TurbulenceModel& turbulence,
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const volScalarField& mask,
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const volScalarField& nut,
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const volScalarField& y,
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const dimensionedScalar& ybl,
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const scalar Cmu,
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const scalar kappa
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)
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{
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// Turbulence k
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tmp<volScalarField> tk = turbulence->k();
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volScalarField& k = tk();
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scalar ck0 = pow025(Cmu)*kappa;
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k = (1 - mask)*k + mask*sqr(nut/(ck0*min(y, ybl)));
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// Do not correct BC
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// - operation may use inconsistent fields wrt these local manipulations
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// k.correctBoundaryConditions();
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correctProcessorPatches(k);
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Info<< "Writing k\n" << endl;
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k.write();
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return tk;
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}
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template<class TurbulenceModel>
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Foam::tmp<Foam::volScalarField> calcEpsilon
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(
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TurbulenceModel& turbulence,
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const volScalarField& mask,
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const volScalarField& k,
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const volScalarField& y,
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const dimensionedScalar& ybl,
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const scalar Cmu,
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const scalar kappa
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)
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{
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// Turbulence epsilon
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tmp<volScalarField> tepsilon = turbulence->epsilon();
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volScalarField& epsilon = tepsilon();
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scalar ce0 = ::pow(Cmu, 0.75)/kappa;
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epsilon = (1 - mask)*epsilon + mask*ce0*k*sqrt(k)/min(y, ybl);
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epsilon.max(SMALL);
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// Do not correct BC
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// - operation may use inconsistent fields wrt these local manipulations
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// epsilon.correctBoundaryConditions();
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correctProcessorPatches(epsilon);
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Info<< "Writing epsilon\n" << endl;
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epsilon.write();
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return tepsilon;
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}
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void calcOmega
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(
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const fvMesh& mesh,
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const volScalarField& mask,
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const volScalarField& k,
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const volScalarField& epsilon
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)
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{
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// Turbulence omega
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IOobject omegaHeader
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(
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"omega",
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mesh.time().timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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);
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if (omegaHeader.headerOk())
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{
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volScalarField omega(omegaHeader, mesh);
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dimensionedScalar k0("SMALL", k.dimensions(), SMALL);
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omega = (1 - mask)*omega + mask*epsilon/(Cmu*k + k0);
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omega.max(SMALL);
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// Do not correct BC
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// - operation may use inconsistent fields wrt these local
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// manipulations
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// omega.correctBoundaryConditions();
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correctProcessorPatches(omega);
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Info<< "Writing omega\n" << endl;
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omega.write();
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}
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}
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void setField
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(
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const fvMesh& mesh,
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const word& fieldName,
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const volScalarField& value
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)
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{
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IOobject fldHeader
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(
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fieldName,
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mesh.time().timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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);
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if (fldHeader.headerOk())
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{
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volScalarField fld(fldHeader, mesh);
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fld = value;
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// Do not correct BC
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// - operation may use inconsistent fields wrt these local
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// manipulations
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// fld.correctBoundaryConditions();
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correctProcessorPatches(fld);
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Info<< "Writing " << fieldName << nl << endl;
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fld.write();
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}
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}
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void calcCompressible
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(
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const fvMesh& mesh,
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const volScalarField& mask,
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const volVectorField& U,
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const volScalarField& y,
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const dimensionedScalar& ybl
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)
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{
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const Time& runTime = mesh.time();
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autoPtr<fluidThermo> pThermo(fluidThermo::New(mesh));
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fluidThermo& thermo = pThermo();
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volScalarField rho(thermo.rho());
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// Update/re-write phi
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#include "compressibleCreatePhi.H"
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phi.write();
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autoPtr<compressible::turbulenceModel> turbulence
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(
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compressible::turbulenceModel::New
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(
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rho,
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U,
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phi,
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thermo
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)
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);
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// Calculate nut - reference nut is calculated by the turbulence model
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// on its construction
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tmp<volScalarField> tnut = turbulence->nut();
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volScalarField& nut = tnut();
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volScalarField S(mag(dev(symm(fvc::grad(U)))));
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nut = (1 - mask)*nut + mask*sqr(kappa*min(y, ybl))*::sqrt(2)*S;
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// Do not correct BC - wall functions will 'undo' manipulation above
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// by using nut from turbulence model
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correctProcessorPatches(nut);
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nut.write();
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tmp<volScalarField> k =
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calcK(turbulence, mask, nut, y, ybl, Cmu, kappa);
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tmp<volScalarField> epsilon =
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calcEpsilon(turbulence, mask, k, y, ybl, Cmu, kappa);
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calcOmega(mesh, mask, k, epsilon);
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setField(mesh, "nuTilda", nut);
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}
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void calcIncompressible
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(
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const fvMesh& mesh,
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const volScalarField& mask,
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const volVectorField& U,
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const volScalarField& y,
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const dimensionedScalar& ybl
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)
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{
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const Time& runTime = mesh.time();
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// Update/re-write phi
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#include "createPhi.H"
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phi.write();
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singlePhaseTransportModel laminarTransport(U, phi);
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autoPtr<incompressible::turbulenceModel> turbulence
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(
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incompressible::turbulenceModel::New(U, phi, laminarTransport)
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);
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tmp<volScalarField> tnut = turbulence->nut();
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// Calculate nut - reference nut is calculated by the turbulence model
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// on its construction
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volScalarField& nut = tnut();
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volScalarField S(mag(dev(symm(fvc::grad(U)))));
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nut = (1 - mask)*nut + mask*sqr(kappa*min(y, ybl))*::sqrt(2)*S;
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// Do not correct BC - wall functions will 'undo' manipulation above
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// by using nut from turbulence model
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correctProcessorPatches(nut);
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nut.write();
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tmp<volScalarField> k =
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calcK(turbulence, mask, nut, y, ybl, Cmu, kappa);
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tmp<volScalarField> epsilon =
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calcEpsilon(turbulence, mask, k, y, ybl, Cmu, kappa);
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calcOmega(mesh, mask, k, epsilon);
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setField(mesh, "nuTilda", nut);
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}
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int main(int argc, char *argv[])
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{
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@ -55,6 +317,8 @@ int main(int argc, char *argv[])
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"turbulence fields based on the 1/7th power-law."
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);
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#include "addRegionOption.H"
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argList::addOption
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(
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"ybl",
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@ -69,8 +333,8 @@ int main(int argc, char *argv[])
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);
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argList::addBoolOption
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(
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"writenut",
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"write nut field"
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"compressible",
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"apply to compressible case"
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);
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#include "setRootCase.H"
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@ -93,9 +357,11 @@ int main(int argc, char *argv[])
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}
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#include "createTime.H"
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#include "createMesh.H"
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#include "createNamedMesh.H"
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#include "createFields.H"
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const bool compressible = args.optionFound("compressible");
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Modify velocity by applying a 1/7th power law boundary-layer
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@ -117,113 +383,16 @@ int main(int argc, char *argv[])
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Info<< "Writing U\n" << endl;
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U.write();
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// Update/re-write phi
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#include "createPhi.H"
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phi.write();
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singlePhaseTransportModel laminarTransport(U, phi);
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autoPtr<incompressible::turbulenceModel> turbulence
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(
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incompressible::turbulenceModel::New(U, phi, laminarTransport)
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);
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if (isA<incompressible::RASModel>(turbulence()))
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if (compressible)
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{
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// Calculate nut - reference nut is calculated by the turbulence model
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// on its construction
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tmp<volScalarField> tnut = turbulence->nut();
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volScalarField& nut = tnut();
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volScalarField S(mag(dev(symm(fvc::grad(U)))));
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nut = (1 - mask)*nut + mask*sqr(kappa*min(y, ybl))*::sqrt(2)*S;
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// do not correct BC - wall functions will 'undo' manipulation above
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// by using nut from turbulence model
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if (args.optionFound("writenut"))
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{
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Info<< "Writing nut" << endl;
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nut.write();
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}
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//--- Read and modify turbulence fields
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// Turbulence k
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tmp<volScalarField> tk = turbulence->k();
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volScalarField& k = tk();
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scalar ck0 = pow025(Cmu)*kappa;
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k = (1 - mask)*k + mask*sqr(nut/(ck0*min(y, ybl)));
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// do not correct BC - operation may use inconsistent fields wrt these
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// local manipulations
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// k.correctBoundaryConditions();
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Info<< "Writing k\n" << endl;
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k.write();
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// Turbulence epsilon
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tmp<volScalarField> tepsilon = turbulence->epsilon();
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volScalarField& epsilon = tepsilon();
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scalar ce0 = ::pow(Cmu, 0.75)/kappa;
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epsilon = (1 - mask)*epsilon + mask*ce0*k*sqrt(k)/min(y, ybl);
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// do not correct BC - wall functions will use non-updated k from
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// turbulence model
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// epsilon.correctBoundaryConditions();
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Info<< "Writing epsilon\n" << endl;
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epsilon.write();
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// Turbulence omega
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IOobject omegaHeader
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(
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"omega",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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);
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if (omegaHeader.headerOk())
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{
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volScalarField omega(omegaHeader, mesh);
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dimensionedScalar k0("VSMALL", k.dimensions(), VSMALL);
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omega = (1 - mask)*omega + mask*epsilon/(Cmu*k + k0);
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// do not correct BC - wall functions will use non-updated k from
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// turbulence model
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// omega.correctBoundaryConditions();
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Info<< "Writing omega\n" << endl;
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omega.write();
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}
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// Turbulence nuTilda
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IOobject nuTildaHeader
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(
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"nuTilda",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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);
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if (nuTildaHeader.headerOk())
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{
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volScalarField nuTilda(nuTildaHeader, mesh);
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nuTilda = nut;
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// do not correct BC
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// nuTilda.correctBoundaryConditions();
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Info<< "Writing nuTilda\n" << endl;
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nuTilda.write();
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}
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calcCompressible(mesh, mask, U, y, ybl);
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}
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else
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{
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calcIncompressible(mesh, mask, U, y, ybl);
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}
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Info<< nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
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<< " ClockTime = " << runTime.elapsedClockTime() << " s"
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