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wallHeatFlux: Updated to use the thermophysicalTransportModel::q() function

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providing consistency between the reported heat fluxes and those used in the
energy equation.
This commit is contained in:
Henry Weller
2020-09-22 15:30:28 +01:00
parent 77ee78b47e
commit 16da54acda
3 changed files with 15 additions and 18 deletions
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24
src/functionObjects/field/wallHeatFlux/wallHeatFlux.C
View File

@ -27,7 +27,7 @@ License
#include "thermophysicalTransportModel.H" #include "thermophysicalTransportModel.H"
#include "solidThermo.H" #include "solidThermo.H"
#include "surfaceInterpolate.H" #include "surfaceInterpolate.H"
#include "fvcSnGrad.H" #include "fvcGrad.H"
#include "wallPolyPatch.H" #include "wallPolyPatch.H"
#include "addToRunTimeSelectionTable.H" #include "addToRunTimeSelectionTable.H"
@ -59,11 +59,7 @@ void Foam::functionObjects::wallHeatFlux::writeFileHeader(const label i)
Foam::tmp<Foam::volScalarField> Foam::tmp<Foam::volScalarField>
Foam::functionObjects::wallHeatFlux::calcWallHeatFlux Foam::functionObjects::wallHeatFlux::calcWallHeatFlux(const volVectorField& q)
(
const volScalarField& alpha,
const volScalarField& he
)
{ {
tmp<volScalarField> twallHeatFlux tmp<volScalarField> twallHeatFlux
( (
@ -78,14 +74,16 @@ Foam::functionObjects::wallHeatFlux::calcWallHeatFlux
volScalarField::Boundary& wallHeatFluxBf = volScalarField::Boundary& wallHeatFluxBf =
twallHeatFlux.ref().boundaryFieldRef(); twallHeatFlux.ref().boundaryFieldRef();
const volScalarField::Boundary& heBf = he.boundaryField(); const volVectorField::Boundary& qBf = q.boundaryField();
const volScalarField::Boundary& alphaBf = alpha.boundaryField();
forAllConstIter(labelHashSet, patchSet_, iter) forAllConstIter(labelHashSet, patchSet_, iter)
{ {
const label patchi = iter.key(); const label patchi = iter.key();
wallHeatFluxBf[patchi] = alphaBf[patchi]*heBf[patchi].snGrad(); const vectorField& Sfp = mesh_.Sf().boundaryField()[patchi];
const scalarField& magSfp = mesh_.magSf().boundaryField()[patchi];
wallHeatFluxBf[patchi] = (-Sfp/magSfp) & qBf[patchi];
} }
if (foundObject<volScalarField>("qr")) if (foundObject<volScalarField>("qr"))
@ -211,7 +209,7 @@ bool Foam::functionObjects::wallHeatFlux::execute()
return store return store
( (
name, name,
calcWallHeatFlux(ttm.alphaEff(), ttm.thermo().he()) calcWallHeatFlux(ttm.q())
); );
} }
else if (foundObject<solidThermo>(solidThermo::dictName)) else if (foundObject<solidThermo>(solidThermo::dictName))
@ -219,7 +217,11 @@ bool Foam::functionObjects::wallHeatFlux::execute()
const solidThermo& thermo = const solidThermo& thermo =
lookupObject<solidThermo>(solidThermo::dictName); lookupObject<solidThermo>(solidThermo::dictName);
return store(name, calcWallHeatFlux(thermo.alpha(), thermo.he())); return store
(
name,
calcWallHeatFlux(-thermo.alpha()*fvc::grad(thermo.he()))
);
} }
else else
{ {

6
src/functionObjects/field/wallHeatFlux/wallHeatFlux.H
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@ -108,11 +108,7 @@ protected:
virtual void writeFileHeader(const label i); virtual void writeFileHeader(const label i);
//- Calculate the heat-flux //- Calculate the heat-flux
tmp<volScalarField> calcWallHeatFlux tmp<volScalarField> calcWallHeatFlux(const volVectorField& q);
(
const volScalarField& alpha,
const volScalarField& he
);
public: public:

3
src/functionObjects/field/wallShearStress/wallShearStress.C
View File

@ -82,9 +82,8 @@ Foam::functionObjects::wallShearStress::calcShearStress
const vectorField& Sfp = mesh_.Sf().boundaryField()[patchi]; const vectorField& Sfp = mesh_.Sf().boundaryField()[patchi];
const scalarField& magSfp = mesh_.magSf().boundaryField()[patchi]; const scalarField& magSfp = mesh_.magSf().boundaryField()[patchi];
const symmTensorField& taup = tau.boundaryField()[patchi];
wallShearStressBf[patchi] = (-Sfp/magSfp) & taup; wallShearStressBf[patchi] = (-Sfp/magSfp) & tau.boundaryField()[patchi];
} }
return twallShearStress; return twallShearStress;