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BUG: twoPhaseEulerFoam: bug fixes and bounding improvements to interfacal models

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This commit is contained in:
william
2014-06-05 16:08:39 +01:00
committed by Andrew Heather
parent 5c4e3eb082
commit 5d11952429
4 changed files with 35 additions and 11 deletions
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4
applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/aspectRatioModels/TomiyamaAspectRatio/TomiyamaAspectRatio.C
View File

@ -52,7 +52,7 @@ Foam::aspectRatioModels::TomiyamaAspectRatio::TomiyamaAspectRatio
const orderedPhasePair& pair const orderedPhasePair& pair
) )
: :
aspectRatioModel(dict, pair), VakhrushevEfremov(dict, pair),
yWall_(pair.phase1().mesh().lookupObject<volScalarField>("yWall")) yWall_(pair.phase1().mesh().lookupObject<volScalarField>("yWall"))
{} {}
@ -69,7 +69,7 @@ Foam::tmp<Foam::volScalarField>
Foam::aspectRatioModels::TomiyamaAspectRatio::E() const Foam::aspectRatioModels::TomiyamaAspectRatio::E() const
{ {
return return
pair_.Eo() VakhrushevEfremov::E()
*max *max
( (
scalar(1) - 0.35*yWall_/pair_.dispersed().d(), scalar(1) - 0.35*yWall_/pair_.dispersed().d(),

4
applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/aspectRatioModels/TomiyamaAspectRatio/TomiyamaAspectRatio.H
View File

@ -44,7 +44,7 @@ SourceFiles
#ifndef TomiyamaAspectRatio_H #ifndef TomiyamaAspectRatio_H
#define TomiyamaAspectRatio_H #define TomiyamaAspectRatio_H
#include "aspectRatioModel.H" #include "VakhrushevEfremov.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -59,7 +59,7 @@ namespace aspectRatioModels
class TomiyamaAspectRatio class TomiyamaAspectRatio
: :
public aspectRatioModel public VakhrushevEfremov
{ {
private: private:

6
applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/dragModels/TomiyamaAnalytic/TomiyamaAnalytic.C
View File

@ -69,17 +69,17 @@ Foam::dragModels::TomiyamaAnalytic::CdRe() const
volScalarField Eo(max(pair_.Eo(), residualEo_)); volScalarField Eo(max(pair_.Eo(), residualEo_));
volScalarField E(max(pair_.E(), residualE_)); volScalarField E(max(pair_.E(), residualE_));
volScalarField OmEsq(max(scalar(1) - sqr(E), residualE_)); volScalarField OmEsq(max(scalar(1) - sqr(E), sqr(residualE_)));
volScalarField rtOmEsq(sqrt(OmEsq)); volScalarField rtOmEsq(sqrt(OmEsq));
volScalarField F((asin(rtOmEsq) - E*rtOmEsq)/OmEsq); volScalarField F(max(asin(rtOmEsq) - E*rtOmEsq, residualE_)/OmEsq);
return return
(8.0/3.0) (8.0/3.0)
*Eo *Eo
/( /(
Eo*pow(E, 2.0/3.0)/OmEsq Eo*pow(E, 2.0/3.0)/OmEsq
+ 16*pow(E, 0.75) + 16*pow(E, 4.0/3.0)
) )
/sqr(F) /sqr(F)
*max(pair_.Re(), residualRe_); *max(pair_.Re(), residualRe_);

32
applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/Moraga/Moraga.C
View File

@ -62,15 +62,39 @@ Foam::liftModels::Moraga::~Moraga()
Foam::tmp<Foam::volScalarField> Foam::liftModels::Moraga::Cl() const Foam::tmp<Foam::volScalarField> Foam::liftModels::Moraga::Cl() const
{ {
volScalarField ReSqrSr volScalarField Re(pair_.Re());
volScalarField sqrSr
( (
pair_.Re() sqr(pair_.dispersed().d())
*sqr(pair_.dispersed().d())
/pair_.continuous().nu() /pair_.continuous().nu()
*mag(fvc::grad(pair_.continuous().U())) *mag(fvc::grad(pair_.continuous().U()))
); );
return 0.2*exp(- ReSqrSr/3.6e5 - 0.12)*exp(ReSqrSr/3.0e7); if
(
min(Re).value() < 1200.0
|| max(Re).value() > 18800.0
|| min(sqrSr).value() < 0.0016
|| max(sqrSr).value() > 0.04
)
{
WarningIn
(
"Foam::tmp<Foam::volScalarField> "
"Foam::liftModels::Moraga::Cl() const"
) << "Re and/or Sr are out of the range of applicability of the "
<< "Moraga model. Clamping to range bounds"
<< endl;
}
Re.min(1200.0);
Re.max(18800.0);
sqrSr.min(0.0016);
sqrSr.max(0.04);
return 0.2*exp(- Re*sqrSr/3.6e5 - 0.12)*exp(Re*sqrSr/3.0e7);
} }