buoyantWallHeatFlux utility
Variant of wallHeatFlux utility for incompressible flow with Boussinesq's buoyancy assumption (e.g. buoyantBoussinesqSimpleFoam). Reports total wall heat flux on each wall and also writes buoyantWallHeatFlux as volScalarField for easy visualisation.
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Vuko Vukcevic
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# --------------------------------------------------------------------------
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# ======== |
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# \ / F ield | foam-extend: Open Source CFD
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# \ / O peration | Version: 4.1
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# \ / A nd | Web: http://www.foam-extend.org
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# \/ M anipulation | For copyright notice see file Copyright
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# --------------------------------------------------------------------------
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# License
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# This file is part of foam-extend.
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#
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# foam-extend is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# foam-extend is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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#
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# Description
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# CMakeLists.txt file for libraries and applications
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#
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# Author
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# Henrik Rusche, Wikki GmbH, 2017. All rights reserved
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#
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#
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# --------------------------------------------------------------------------
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list(APPEND SOURCES
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buoyantWallHeatFlux.C
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)
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# Set minimal environment for external compilation
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if(NOT FOAM_FOUND)
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cmake_minimum_required(VERSION 2.8)
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find_package(FOAM REQUIRED)
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endif()
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add_foam_executable(buoyantWallHeatFlux
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DEPENDS incompressibleRASModels incompressibleTransportModels incompressibleLESModels
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SOURCES ${SOURCES}
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)
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buoyantWallHeatFlux.C
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EXE = $(FOAM_APPBIN)/buoyantWallHeatFlux
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EXE_INC = \
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-I$(LIB_SRC)/finiteVolume/lnInclude \
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-I$(LIB_SRC)/turbulenceModels \
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-I$(LIB_SRC)/turbulenceModels/LES/LESdeltas/lnInclude \
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-I$(LIB_SRC)/turbulenceModels/LES/LESfilters/lnInclude \
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-I$(LIB_SRC)/turbulenceModels/incompressible/RAS/lnInclude \
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-I$(LIB_SRC)/turbulenceModels/incompressible/LES/lnInclude \
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-I$(LIB_SRC)/transportModels \
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-I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel
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EXE_LIBS = \
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-lfiniteVolume \
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-lmeshTools \
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-lincompressibleTurbulenceModel \
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-lincompressibleRASModels \
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-lincompressibleLESModels \
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-lincompressibleTransportModels \
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-lLESdeltas \
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-lLESfilters \
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-llduSolvers
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.1
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Application
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buoyantWallHeatFlux
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Description
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Calculates and writes the heat flux in incompressible flow with Boussinesq's
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buoyancy assumption (e.g. buoyantBoussineqSimpleFoam) for all patches as the
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boundary field of a volScalarField and also prints the integrated flux for
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all wall patches.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "RASModel.H"
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#include "LESModel.H"
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#include "singlePhaseTransportModel.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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timeSelector::addOptions();
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#include "setRootCase.H"
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#include "createTime.H"
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instantList timeDirs = timeSelector::select0(runTime, args);
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#include "createMesh.H"
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forAll(timeDirs, timeI)
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{
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runTime.setTime(timeDirs[timeI], timeI);
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Info<< "Time = " << runTime.timeName() << endl;
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mesh.readUpdate();
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#include "createFields.H"
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// Calculate effective kappa
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const volScalarField kappaEff
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(
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"kappaEff",
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turbulence->nu()/Pr + turbulence->nut()/Prt
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);
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// Calculate the heat flux
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const surfaceScalarField heatFlux =
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rhoRef*c*fvc::interpolate(kappaEff)*fvc::snGrad(T);
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// Get the heat flux at the patch
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const surfaceScalarField::GeometricBoundaryField& patchHeatFlux =
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heatFlux.boundaryField();
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Info<< "\nWall heat fluxes [W]" << endl;
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forAll(patchHeatFlux, patchi)
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{
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if (mesh.boundary()[patchi].isWall())
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{
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Info<< mesh.boundary()[patchi].name()
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<< " "
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<< gSum
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(
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mesh.magSf().boundaryField()[patchi]
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*patchHeatFlux[patchi]
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)
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<< endl;
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}
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}
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Info<< endl;
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// Create the volScalarField which will have heat fluxes at the boundary
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volScalarField buoyantWallHeatFlux
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(
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IOobject
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(
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"buoyantWallHeatFlux",
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runTime.timeName(),
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mesh
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),
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mesh,
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dimensionedScalar("buoyantWallHeatFlux", heatFlux.dimensions(), 0.0)
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);
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forAll(buoyantWallHeatFlux.boundaryField(), patchi)
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{
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buoyantWallHeatFlux.boundaryField()[patchi] = patchHeatFlux[patchi];
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}
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buoyantWallHeatFlux.write();
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}
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Info<< "End" << endl;
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return 0;
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}
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// ************************************************************************* //
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// Read velocity field for turbulence
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volVectorField U
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(
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IOobject
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(
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"U",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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mesh
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);
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// Read temperature field
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volScalarField T
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(
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IOobject
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(
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"T",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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mesh
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);
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// Create the flux for turbulence
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#include "createPhi.H"
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// Read transport properties and all necessary coefficients
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#include "readTransportProperties.H"
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// Create generic turbulence model (RAS/LES)
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autoPtr<incompressible::turbulenceModel> turbulence
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(
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incompressible::turbulenceModel::New
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(
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U,
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phi,
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laminarTransport
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)
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);
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singlePhaseTransportModel laminarTransport(U, phi);
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// Laminar Prandtl number
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const dimensionedScalar Pr(laminarTransport.lookup("Pr"));
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// Turbulent Prandtl number
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const dimensionedScalar Prt(laminarTransport.lookup("Prt"));
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// Reference density
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const dimensionedScalar rhoRef(laminarTransport.lookup("rhoRef"));
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// Specific heat capacity
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const dimensionedScalar c(laminarTransport.lookup("c"));
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