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ENH: outletMappedUniformInlet BC - Cp only calculated for patch and not entire domain; input keywords updated for consistency

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This commit is contained in:
Andrew Heather
2016-12-12 12:13:53 +00:00
parent c0f44ac4f3
commit 6408cd1fbb
3 changed files with 36 additions and 54 deletions
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68
src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/outletMappedUniformInletHeatAddition/outletMappedUniformInletHeatAdditionFvPatchField.C
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@ -42,8 +42,8 @@ outletMappedUniformInletHeatAdditionFvPatchField
outletPatchName_(), outletPatchName_(),
phiName_("phi"), phiName_("phi"),
Q_(0), Q_(0),
minTempLimit_(0), TMin_(0),
maxTempLimit_(5000) TMax_(5000)
{} {}
@ -60,8 +60,8 @@ outletMappedUniformInletHeatAdditionFvPatchField
outletPatchName_(ptf.outletPatchName_), outletPatchName_(ptf.outletPatchName_),
phiName_(ptf.phiName_), phiName_(ptf.phiName_),
Q_(ptf.Q_), Q_(ptf.Q_),
minTempLimit_(ptf.minTempLimit_), TMin_(ptf.TMin_),
maxTempLimit_(ptf.maxTempLimit_) TMax_(ptf.TMax_)
{} {}
@ -77,8 +77,8 @@ outletMappedUniformInletHeatAdditionFvPatchField
outletPatchName_(dict.lookup("outletPatch")), outletPatchName_(dict.lookup("outletPatch")),
phiName_(dict.lookupOrDefault<word>("phi", "phi")), phiName_(dict.lookupOrDefault<word>("phi", "phi")),
Q_(readScalar(dict.lookup("Q"))), Q_(readScalar(dict.lookup("Q"))),
minTempLimit_(dict.lookupOrDefault<scalar>("minTempLimit", 0)), TMin_(dict.lookupOrDefault<scalar>("TMin", 0)),
maxTempLimit_(dict.lookupOrDefault<scalar>("maxTempLimit", 5000)) TMax_(dict.lookupOrDefault<scalar>("TMax", 5000))
{} {}
@ -93,8 +93,8 @@ outletMappedUniformInletHeatAdditionFvPatchField
outletPatchName_(ptf.outletPatchName_), outletPatchName_(ptf.outletPatchName_),
phiName_(ptf.phiName_), phiName_(ptf.phiName_),
Q_(ptf.Q_), Q_(ptf.Q_),
minTempLimit_(ptf.minTempLimit_), TMin_(ptf.TMin_),
maxTempLimit_(ptf.maxTempLimit_) TMax_(ptf.TMax_)
{} {}
@ -110,8 +110,8 @@ outletMappedUniformInletHeatAdditionFvPatchField
outletPatchName_(ptf.outletPatchName_), outletPatchName_(ptf.outletPatchName_),
phiName_(ptf.phiName_), phiName_(ptf.phiName_),
Q_(ptf.Q_), Q_(ptf.Q_),
minTempLimit_(ptf.minTempLimit_), TMin_(ptf.TMin_),
maxTempLimit_(ptf.maxTempLimit_) TMax_(ptf.TMax_)
{} {}
@ -125,18 +125,15 @@ void Foam::outletMappedUniformInletHeatAdditionFvPatchField::updateCoeffs()
return; return;
} }
const GeometricField<scalar, fvPatchField, volMesh>& f const volScalarField& vsf =
( (
dynamic_cast<const GeometricField<scalar, fvPatchField, volMesh>&> dynamic_cast<const volScalarField&>(this->internalField())
(
this->internalField()
)
); );
const fvPatch& p = this->patch(); const fvPatch& fvp = this->patch();
label outletPatchID = label outletPatchID =
p.patch().boundaryMesh().findPatchID(outletPatchName_); fvp.patch().boundaryMesh().findPatchID(outletPatchName_);
if (outletPatchID < 0) if (outletPatchID < 0)
{ {
@ -145,16 +142,13 @@ void Foam::outletMappedUniformInletHeatAdditionFvPatchField::updateCoeffs()
<< abort(FatalError); << abort(FatalError);
} }
const fvPatch& outletPatch = p.boundaryMesh()[outletPatchID]; const fvPatch& outletPatch = fvp.boundaryMesh()[outletPatchID];
const fvPatchField<scalar>& outletPatchField = const fvPatchField<scalar>& outletPatchField =
f.boundaryField()[outletPatchID]; vsf.boundaryField()[outletPatchID];
const surfaceScalarField& phi = const surfaceScalarField& phi =
this->db().lookupObject<surfaceScalarField> db().lookupObject<surfaceScalarField>(phiName_);
(
phiName_
);
const scalarField& outletPatchPhi = phi.boundaryField()[outletPatchID]; const scalarField& outletPatchPhi = phi.boundaryField()[outletPatchID];
scalar sumOutletPatchPhi = gSum(outletPatchPhi); scalar sumOutletPatchPhi = gSum(outletPatchPhi);
@ -162,27 +156,19 @@ void Foam::outletMappedUniformInletHeatAdditionFvPatchField::updateCoeffs()
if (sumOutletPatchPhi > SMALL) if (sumOutletPatchPhi > SMALL)
{ {
const basicThermo& thermo = const basicThermo& thermo =
this->db().lookupObject<basicThermo>(basicThermo::dictName); db().lookupObject<basicThermo>(basicThermo::dictName);
const scalarField& pp = thermo.p().boundaryField()[outletPatchID];
const scalarField& pT = thermo.T().boundaryField()[outletPatchID];
scalar averageOutletField = scalar averageOutletField =
gSum(outletPatchPhi*outletPatchField)/sumOutletPatchPhi; gSum(outletPatchPhi*outletPatchField)/sumOutletPatchPhi;
const scalarField Cpf(thermo.Cp()().boundaryField()[outletPatchID]); const scalarField Cpf(thermo.Cp(pp, pT, outletPatchID));
scalar totalPhiCp = gSum(outletPatchPhi)*gAverage(Cpf); scalar totalPhiCp = gSum(outletPatchPhi)*gAverage(Cpf);
operator== operator==(min(max(averageOutletField + Q_/totalPhiCp, TMin_), TMax_));
(
min
(
max
(
averageOutletField + Q_/totalPhiCp,
minTempLimit_
),
maxTempLimit_
)
);
} }
else else
{ {
@ -205,14 +191,10 @@ void Foam::outletMappedUniformInletHeatAdditionFvPatchField::write
fvPatchScalarField::write(os); fvPatchScalarField::write(os);
os.writeKeyword("outletPatch") os.writeKeyword("outletPatch")
<< outletPatchName_ << token::END_STATEMENT << nl; << outletPatchName_ << token::END_STATEMENT << nl;
writeEntryIfDifferent<word>(os, "phi", "phi", phiName_); writeEntryIfDifferent<word>(os, "phi", "phi", phiName_);
os.writeKeyword("Q") << Q_ << token::END_STATEMENT << nl; os.writeKeyword("Q") << Q_ << token::END_STATEMENT << nl;
os.writeKeyword("minTempLimit") os.writeKeyword("TMin") << TMin_ << token::END_STATEMENT << nl;
<< minTempLimit_ << token::END_STATEMENT << nl; os.writeKeyword("TMax") << TMax_ << token::END_STATEMENT << nl;
os.writeKeyword("maxTempLimit")
<< maxTempLimit_ << token::END_STATEMENT << nl;
this->writeEntry("value", os); this->writeEntry("value", os);
} }

18
src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/outletMappedUniformInletHeatAddition/outletMappedUniformInletHeatAdditionFvPatchField.H
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@ -32,17 +32,17 @@ Description
This temperature boundary condition averages the temperature over the This temperature boundary condition averages the temperature over the
"outlet" patch specified by name "outletPatchName" and applies an extra "outlet" patch specified by name "outletPatchName" and applies an extra
heat source. This is set as a uniform temperature value on this patch. heat source. This is set as a uniform temperature value on this patch.
Additionally minTempLimit/maxTempLimit limits can be applied Additionally TMin/TMax limits can be applied
\heading Patch usage \heading Patch usage
\table \table
Property | Description | Required | Default value Property | Description | Required | Default value
outletPatch | name of outlet patch | yes | outletPatch | name of outlet patch | yes |
Q | Heat addition | yes Q | Heat addition | yes
phi | flux field name | no | phi phi | flux field name | no | phi
minTempLimit | min temperature limit | no | 0.0 TMin | min temperature limit | no | 0.0
maxTempLimit | max temperature limit | no | 5000.0 TMax | max temperature limit | no | 5000.0
\endtable \endtable
Example of the boundary condition specification: Example of the boundary condition specification:
@ -96,10 +96,10 @@ class outletMappedUniformInletHeatAdditionFvPatchField
scalar Q_; scalar Q_;
//- Minimum Temperature Limit //- Minimum Temperature Limit
scalar minTempLimit_; scalar TMin_;
//- Maxmum Temperature Limit //- Maxmum Temperature Limit
scalar maxTempLimit_; scalar TMax_;
public: public:

4
tutorials/compressible/rhoPimpleFoam/RAS/TJunction/0/T
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@ -26,8 +26,8 @@ boundaryField
type outletMappedUniformInletHeatAddition; type outletMappedUniformInletHeatAddition;
outletPatchName outlet1; outletPatchName outlet1;
Q 5; // Heat addition in W Q 5; // Heat addition in W
minTempLimit 300; TMin 300;
maxTempLimit 500; TMax 500;
value $internalField; value $internalField;
} }