Merge branch 'master' of /home/noisy3/OpenFOAM/OpenFOAM-dev

This commit is contained in:
andy
2011-03-08 11:32:18 +00:00
48 changed files with 296 additions and 246 deletions

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@ -50,8 +50,7 @@ Foam::XiEqModels::Gulder::Gulder
: :
XiEqModel(XiEqProperties, thermo, turbulence, Su), XiEqModel(XiEqProperties, thermo, turbulence, Su),
XiEqCoef_(readScalar(XiEqModelCoeffs_.lookup("XiEqCoef"))), XiEqCoef_(readScalar(XiEqModelCoeffs_.lookup("XiEqCoef"))),
SuMin_(0.01*Su.average()), SuMin_(0.01*Su.average())
uPrimeCoef_(readScalar(XiEqModelCoeffs_.lookup("uPrimeCoef")))
{} {}
@ -67,78 +66,11 @@ Foam::tmp<Foam::volScalarField> Foam::XiEqModels::Gulder::XiEq() const
{ {
volScalarField up(sqrt((2.0/3.0)*turbulence_.k())); volScalarField up(sqrt((2.0/3.0)*turbulence_.k()));
const volScalarField& epsilon = turbulence_.epsilon(); const volScalarField& epsilon = turbulence_.epsilon();
const fvMesh& mesh = Su_.mesh();
const volVectorField& U = mesh.lookupObject<volVectorField>("U"); if (subGridSchelkin())
{
const volSymmTensorField& CT = mesh.lookupObject<volSymmTensorField>("CT"); up.internalField() += calculateSchelkinEffect();
const volScalarField& Nv = mesh.lookupObject<volScalarField>("Nv"); }
const volSymmTensorField& nsv =
mesh.lookupObject<volSymmTensorField>("nsv");
tmp<volScalarField> tN
(
new volScalarField
(
IOobject
(
"tN",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
mesh,
dimensionedScalar("zero", Nv.dimensions(), 0.0),
zeroGradientFvPatchVectorField::typeName
)
);
volScalarField& N = tN();
N.internalField() = Nv.internalField()*pow(mesh.V(), 2.0/3.0);
tmp<volSymmTensorField> tns
(
new volSymmTensorField
(
IOobject
(
"tns",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh,
dimensionedSymmTensor
(
"zero",
nsv.dimensions(),
pTraits<symmTensor>::zero
)
)
);
volSymmTensorField& ns = tns();
ns.internalField() = nsv.internalField()*pow(mesh.V(), 2.0/3.0);
const volVectorField Uhat
(
U/(mag(U) + dimensionedScalar("Usmall", U.dimensions(), 1e-4))
);
const volScalarField nr(sqrt(max(N - (Uhat & ns & Uhat), scalar(1e-4))));
const scalarField cellWidth(pow(mesh.V(), 1.0/3.0));
const scalarField upLocal(uPrimeCoef_*sqrt((U & CT & U)*cellWidth));
const scalarField deltaUp(upLocal*(max(scalar(1.0), pow(nr, 0.5)) - 1.0));
up.internalField() += deltaUp;
volScalarField tauEta(sqrt(mag(thermo_.muu()/(thermo_.rhou()*epsilon)))); volScalarField tauEta(sqrt(mag(thermo_.muu()/(thermo_.rhou()*epsilon))));
@ -161,6 +93,7 @@ bool Foam::XiEqModels::Gulder::read(const dictionary& XiEqProperties)
XiEqModelCoeffs_.lookup("XiEqCoef") >> XiEqCoef_; XiEqModelCoeffs_.lookup("XiEqCoef") >> XiEqCoef_;
XiEqModelCoeffs_.lookup("uPrimeCoef") >> uPrimeCoef_; XiEqModelCoeffs_.lookup("uPrimeCoef") >> uPrimeCoef_;
XiEqModelCoeffs_.lookup("subGridSchelkin") >> subGridSchelkin_;
return true; return true;
} }

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@ -61,9 +61,6 @@ class Gulder
//- Minimum laminar burning velocity //- Minimum laminar burning velocity
const dimensionedScalar SuMin_; const dimensionedScalar SuMin_;
//- Model constant
scalar uPrimeCoef_;
// Private Member Functions // Private Member Functions

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@ -84,6 +84,11 @@ Foam::tmp<Foam::volScalarField> Foam::XiEqModels::SCOPEXiEq::XiEq() const
const volScalarField& epsilon = turbulence_.epsilon(); const volScalarField& epsilon = turbulence_.epsilon();
volScalarField up(sqrt((2.0/3.0)*k)); volScalarField up(sqrt((2.0/3.0)*k));
if (subGridSchelkin())
{
up.internalField() += calculateSchelkinEffect();
}
volScalarField l(lCoef_*sqrt(3.0/2.0)*up*k/epsilon); volScalarField l(lCoef_*sqrt(3.0/2.0)*up*k/epsilon);
volScalarField Rl(up*l*thermo_.rhou()/thermo_.muu()); volScalarField Rl(up*l*thermo_.rhou()/thermo_.muu());

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@ -58,9 +58,16 @@ class SCOPEXiEq
{ {
// Private data // Private data
// Model constant
scalar XiEqCoef_; scalar XiEqCoef_;
// Model constant
scalar XiEqExp_; scalar XiEqExp_;
// Model constant
scalar lCoef_; scalar lCoef_;
//- Minimum Su
dimensionedScalar SuMin_; dimensionedScalar SuMin_;
//- The SCOPE laminar flame speed model used to obtain the //- The SCOPE laminar flame speed model used to obtain the

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@ -77,6 +77,11 @@ Foam::XiEqModel::XiEqModel
IOobject::NO_WRITE IOobject::NO_WRITE
), ),
Su.mesh() Su.mesh()
),
uPrimeCoef_(XiEqModelCoeffs_.lookupOrDefault<scalar>("uPrimeCoef", 0.0)),
subGridSchelkin_
(
XiEqModelCoeffs_.lookupOrDefault<bool>("subGridSchelkin", false)
) )
{} {}
@ -93,6 +98,10 @@ bool Foam::XiEqModel::read(const dictionary& XiEqProperties)
{ {
XiEqModelCoeffs_ = XiEqProperties.subDict(type() + "Coeffs"); XiEqModelCoeffs_ = XiEqProperties.subDict(type() + "Coeffs");
uPrimeCoef_ = XiEqModelCoeffs_.lookupOrDefault<scalar>("uPrimeCoef", 0.0);
subGridSchelkin_ =
XiEqModelCoeffs_.lookupOrDefault<bool>("subGridSchelkin", false);
return true; return true;
} }
@ -109,4 +118,85 @@ void Foam::XiEqModel::writeFields() const
} }
} }
Foam::tmp<Foam::volScalarField>
Foam::XiEqModel::calculateSchelkinEffect() const
{
const fvMesh& mesh = Su_.mesh();
const volVectorField& U = mesh.lookupObject<volVectorField>("U");
const volSymmTensorField& CT = mesh.lookupObject<volSymmTensorField>("CT");
const volScalarField& Nv = mesh.lookupObject<volScalarField>("Nv");
const volSymmTensorField& nsv =
mesh.lookupObject<volSymmTensorField>("nsv");
tmp<volScalarField> tN
(
new volScalarField
(
IOobject
(
"tN",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
),
mesh,
dimensionedScalar("zero", Nv.dimensions(), 0.0),
zeroGradientFvPatchVectorField::typeName
)
);
volScalarField& N = tN();
N.internalField() = Nv.internalField()*pow(mesh.V(), 2.0/3.0);
tmp<volSymmTensorField> tns
(
new volSymmTensorField
(
IOobject
(
"tns",
mesh.time().timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
mesh,
dimensionedSymmTensor
(
"zero",
nsv.dimensions(),
pTraits<symmTensor>::zero
)
)
);
volSymmTensorField& ns = tns();
ns.internalField() = nsv.internalField()*pow(mesh.V(), 2.0/3.0);
const volVectorField Uhat
(
U/(mag(U) + dimensionedScalar("Usmall", U.dimensions(), 1e-4))
);
const volScalarField nr(sqrt(max(N - (Uhat & ns & Uhat), scalar(1e-4))));
const scalarField cellWidth(pow(mesh.V(), 1.0/3.0));
const scalarField upLocal(uPrimeCoef_*sqrt((U & CT & U)*cellWidth));
const scalarField deltaUp(upLocal*(max(scalar(1.0), pow(nr, 0.5)) - 1.0));
//Re use tN
N.internalField() = upLocal*(max(scalar(1.0), pow(nr, 0.5)) - 1.0);
return tN;
}
// ************************************************************************* // // ************************************************************************* //

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@ -62,14 +62,30 @@ protected:
// Protected data // Protected data
//- Dictionary
dictionary XiEqModelCoeffs_; dictionary XiEqModelCoeffs_;
//- Thermo
const hhuCombustionThermo& thermo_; const hhuCombustionThermo& thermo_;
//- Turbulence
const compressible::RASModel& turbulence_; const compressible::RASModel& turbulence_;
//- Laminar burning velocity
const volScalarField& Su_; const volScalarField& Su_;
//- Volumetric obstacles number
volScalarField Nv_; volScalarField Nv_;
//
volSymmTensorField nsv_; volSymmTensorField nsv_;
//- Schelkin effect Model constant
scalar uPrimeCoef_;
//- Use sub-grid Schelkin effect
bool subGridSchelkin_;
private: private:
@ -146,6 +162,15 @@ public:
return turbulence_.muEff(); return turbulence_.muEff();
} }
//- Return state of the sub-grid Schelkin effect
bool subGridSchelkin() const
{
return subGridSchelkin_;
}
//- Return the sub-grid Schelkin effect
tmp<volScalarField> calculateSchelkinEffect() const;
//- Update properties from given dictionary //- Update properties from given dictionary
virtual bool read(const dictionary& XiEqProperties) = 0; virtual bool read(const dictionary& XiEqProperties) = 0;

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 -1 0 0 0 0 0 ]; dimensions [ 0 -1 0 0 0 0 0 ];
internalField nonuniform List<scalar> internalField nonuniform List<scalar>
8025 8025
( (
18.372496 18.372496

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 0 0 0 0 0 0 ]; dimensions [ 0 0 0 0 0 0 0 ];
internalField nonuniform List<symmTensor> internalField nonuniform List<symmTensor>
8025 8025
( (
(1.785697 0 0 1.785697 0 1.875) (1.785697 0 0 1.785697 0 1.875)

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 -1 0 0 0 0 0 ]; dimensions [ 0 -1 0 0 0 0 0 ];
internalField nonuniform List<symmTensor> internalField nonuniform List<symmTensor>
8025 8025
( (
(98.997697 0 0 77.711245 0 30.754852) (98.997697 0 0 77.711245 0 30.754852)

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 -1 0 0 0 0 0 ]; dimensions [ 0 -1 0 0 0 0 0 ];
internalField nonuniform List<symmTensor> internalField nonuniform List<symmTensor>
8025 8025
( (
(4.501854 0 0 3.437531 0 1.537743) (4.501854 0 0 3.437531 0 1.537743)

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 1 0 0 0 0 0 ]; dimensions [ 0 1 0 0 0 0 0 ];
internalField nonuniform List<scalar> internalField nonuniform List<scalar>
8025 8025
( (
0.2 0.2

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 0 0 0 0 0 0 ]; dimensions [ 0 0 0 0 0 0 0 ];
internalField nonuniform List<scalar> internalField nonuniform List<scalar>
8025 8025
( (
2.019581 2.019581

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 0 0 0 0 0 0 ]; dimensions [ 0 0 0 0 0 0 0 ];
internalField nonuniform List<scalar> internalField nonuniform List<scalar>
8025 8025
( (
0 0

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@ -17,7 +17,7 @@ FoamFile
dimensions [ 0 0 0 0 0 0 0 ]; dimensions [ 0 0 0 0 0 0 0 ];
internalField nonuniform List<symmTensor> internalField nonuniform List<symmTensor>
8025 8025
( (
(0.634791 0 0 0.634791 0 0.03) (0.634791 0 0 0.634791 0 0.03)

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@ -14,5 +14,4 @@ runApplication PDRMesh
# Run # Run
runApplication PDRFoam runApplication PDRFoam
# ----------------------------------------------------------------- end-of-file # ----------------------------------------------------------------- end-of-file

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@ -8,5 +8,4 @@ Step to introduce the PDR fields:
1) Create zero-size patches for wall or/and coupled baffles in 1) Create zero-size patches for wall or/and coupled baffles in
the boundary file. the boundary file.
2) Specify the boundary contitions for these patches in the fields. 2) Specify the boundary contitions for these patches in the fields.
3) Create the new PDR mesh using the PDRMesh utility 3) Create the new PDR mesh using the PDRMesh utility.

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@ -49,25 +49,27 @@ instabilityCoeffs
{ {
XiEqModelL XiEqModelL
{ {
XiEqModel Gulder; XiEqModel Gulder;
uPrimeCoef 1.0;
subGridSchelkin true;
GulderCoeffs GulderCoeffs
{ {
XiEqCoef 0.62; XiEqCoef 0.62;
uPrimeCoef 1.0;
} }
} }
XiEqModelH XiEqModelH
{ {
XiEqModel SCOPEXiEq; XiEqModel SCOPEXiEq;
uPrimeCoef 1.0;
subGridSchelkin true;
SCOPEXiEqCoeffs SCOPEXiEqCoeffs
{ {
XiEqCoef 1.6; XiEqCoef 1.6;
XiEqExp 0.33333; XiEqExp 0.33333;
lCoef 0.336; lCoef 0.336;
uPrimeCoef 1.0;
} }
} }
} }

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@ -59,6 +59,4 @@ burntProducts
Ts 170.672; Ts 170.672;
} }
// ************************************************************************* // // ************************************************************************* //

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@ -51,5 +51,4 @@ maxCo 0.3;
maxDeltaT 1; maxDeltaT 1;
// ************************************************************************* // // ************************************************************************* //

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@ -1,87 +1,85 @@
/*--------------------------------*- C++ -*----------------------------------*\ /*--------------------------------*- C++ -*----------------------------------*\
| ========= | | | ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev | | \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com | | \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | | | \\/ M anipulation | |
\*---------------------------------------------------------------------------*/ \*---------------------------------------------------------------------------*/
FoamFile FoamFile
{ {
version 2.0; version 2.0;
format ascii; format ascii;
class dictionary; class dictionary;
location "system"; location "system";
object fvSchemes; object fvSchemes;
} }
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes ddtSchemes
{ {
default Euler; default Euler;
} }
gradSchemes gradSchemes
{ {
default Gauss linear; default Gauss linear;
grad(p) Gauss linear; grad(p) Gauss linear;
} }
divSchemes divSchemes
{ {
default none; default none;
div(phi,U) Gauss limitedLinearV 1; div(phi,U) Gauss limitedLinearV 1;
div(phiU,p) Gauss limitedLinear 1; div(phiU,p) Gauss limitedLinear 1;
div(phid,p) Gauss limitedLinear 1; div(phid,p) Gauss limitedLinear 1;
div(phi,k) Gauss limitedLinear 1; div(phi,k) Gauss limitedLinear 1;
div(phi,epsilon) Gauss limitedLinear 1; div(phi,epsilon) Gauss limitedLinear 1;
div(phiXi,Xi) Gauss limitedLinear 1; div(phiXi,Xi) Gauss limitedLinear 1;
div(phiSt,b) Gauss limitedLinear01 1; div(phiSt,b) Gauss limitedLinear01 1;
div(phi,ft_b_h_hu) Gauss multivariateSelection div(phi,ft_b_h_hu) Gauss multivariateSelection
{ {
ft limitedLinear01 1; ft limitedLinear01 1;
b limitedLinear01 1; b limitedLinear01 1;
Xi limitedLinear 1; Xi limitedLinear 1;
h limitedLinear 1; h limitedLinear 1;
hu limitedLinear 1; hu limitedLinear 1;
}; };
div((Su*grad(b))) Gauss linear; div((Su*grad(b))) Gauss linear;
div((U+((Su*Xi)*grad(b)))) Gauss linear; div((U+((Su*Xi)*grad(b)))) Gauss linear;
div((muEff*dev2(T(grad(U))))) Gauss linear; div((muEff*dev2(T(grad(U))))) Gauss linear;
div(U) Gauss linear; div(U) Gauss linear;
} }
laplacianSchemes laplacianSchemes
{ {
default none; default none;
laplacian(muEff,U) Gauss linear limited 0.333; laplacian(muEff,U) Gauss linear limited 0.333;
laplacian(DkEff,k) Gauss linear limited 0.333; laplacian(DkEff,k) Gauss linear limited 0.333;
laplacian(DepsilonEff,epsilon) Gauss linear limited 0.333; laplacian(DepsilonEff,epsilon) Gauss linear limited 0.333;
laplacian((rho*inv((((1)*A(U))+((((0.5*rho)*CR)*mag(U))+((((Csu*(1))*betav)*muEff)*sqr(Aw)))))),p) Gauss linear limited 0.333; laplacian((rho*inv((((1)*A(U))+((((0.5*rho)*CR)*mag(U))+((((Csu*(1))*betav)*muEff)*sqr(Aw)))))),p) Gauss linear limited 0.333;
laplacian(Db,b) Gauss linear limited 0.333; laplacian(Db,b) Gauss linear limited 0.333;
laplacian(Db,ft) Gauss linear limited 0.333; laplacian(Db,ft) Gauss linear limited 0.333;
laplacian(Db,h) Gauss linear limited 0.333; laplacian(Db,h) Gauss linear limited 0.333;
laplacian(Db,hu) Gauss linear limited 0.333; laplacian(Db,hu) Gauss linear limited 0.333;
} }
interpolationSchemes interpolationSchemes
{ {
default linear; default linear;
} }
snGradSchemes snGradSchemes
{ {
default limited 0.333; default limited 0.333;
} }
fluxRequired fluxRequired
{ {
default no; default no;
p; p;
} }
// ************************************************************************* //
// ************************************************************************* //

View File

@ -1,54 +1,53 @@
/*--------------------------------*- C++ -*----------------------------------*\ /*--------------------------------*- C++ -*----------------------------------*\
| ========= | | | ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev | | \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com | | \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | | | \\/ M anipulation | |
\*---------------------------------------------------------------------------*/ \*---------------------------------------------------------------------------*/
FoamFile FoamFile
{ {
version 2.0; version 2.0;
format ascii; format ascii;
class dictionary; class dictionary;
location "system"; location "system";
object fvSolution; object fvSolution;
} }
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
solvers {
{ rho
rho {
{ solver PCG;
solver PCG; preconditioner DIC;
preconditioner DIC; tolerance 1e-05;
tolerance 1e-05; relTol 0;
relTol 0; };
};
p
p {
{ solver PCG;
solver PCG; preconditioner DIC;
preconditioner DIC; tolerance 1e-6;
tolerance 1e-6; relTol 0;
relTol 0; };
};
"(U|ft|fu|b|Xi|Su|h|hu|R|k|epsilon)"
"(U|ft|fu|b|Xi|Su|h|hu|R|k|epsilon)" {
{ solver PBiCG;
solver PBiCG; preconditioner DILU;
preconditioner DILU; tolerance 1e-05;
tolerance 1e-05; relTol 0;
relTol 0; }
} }
}
PISO
PISO {
{ nCorrectors 2;
nCorrectors 2; nNonOrthogonalCorrectors 0;
nNonOrthogonalCorrectors 0; momentumPredictor true;
momentumPredictor true; }
}
// ************************************************************************* //
// ************************************************************************* //