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ENH: Spray - usability updates to break-up models - mantis #993

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This commit is contained in:
andy
2013-09-05 18:24:02 +01:00
parent f3871e0a91
commit 07c28f5786
6 changed files with 24 additions and 66 deletions
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21
src/lagrangian/spray/submodels/BreakupModel/BreakupModel/BreakupModel.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -64,11 +64,12 @@ Foam::BreakupModel<CloudType>::BreakupModel
(
const dictionary& dict,
CloudType& owner,
const word& type
const word& type,
bool solveOscillationEq
)
:
SubModelBase<CloudType>(owner, dict, typeName, type),
solveOscillationEq_(this->coeffDict().lookup("solveOscillationEq")),
solveOscillationEq_(solveOscillationEq),
y0_(0.0),
yDot0_(0.0),
TABComega_(0.0),
@ -77,14 +78,12 @@ Foam::BreakupModel<CloudType>::BreakupModel
{
if (solveOscillationEq_)
{
const dictionary TABcoeffsDict(dict.subDict("TABCoeffs"));
y0_ = TABcoeffsDict.template lookupOrDefault<scalar>("y0", 0.0);
yDot0_ = TABcoeffsDict.template lookupOrDefault<scalar>("yDot0", 0.0);
TABComega_ =
TABcoeffsDict.template lookupOrDefault<scalar>("Comega", 8.0);
TABCmu_ = TABcoeffsDict.template lookupOrDefault<scalar>("Cmu", 10.0);
TABWeCrit_ =
TABcoeffsDict.template lookupOrDefault<scalar>("WeCrit", 12.0);
const dictionary coeffs(dict.subDict("TABCoeffs"));
y0_ = coeffs.template lookupOrDefault<scalar>("y0", 0.0);
yDot0_ = coeffs.template lookupOrDefault<scalar>("yDot0", 0.0);
TABComega_ = coeffs.template lookupOrDefault<scalar>("Comega", 8.0);
TABCmu_ = coeffs.template lookupOrDefault<scalar>("Cmu", 10.0);
TABWeCrit_ = coeffs.template lookupOrDefault<scalar>("WeCrit", 12.0);
}
}

5
src/lagrangian/spray/submodels/BreakupModel/BreakupModel/BreakupModel.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -97,7 +97,8 @@ public:
(
const dictionary& dict,
CloudType& owner,
const word& type
const word& type,
bool solveOscillationEq = false
);
//- Construct copy

28
src/lagrangian/spray/submodels/BreakupModel/ETAB/ETAB.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -34,36 +34,21 @@ Foam::ETAB<CloudType>::ETAB
CloudType& owner
)
:
BreakupModel<CloudType>(dict, owner, typeName),
Cmu_(10.0),
Comega_(8.0),
BreakupModel<CloudType>(dict, owner, typeName, true),
k1_(0.2),
k2_(0.2),
WeCrit_(12.0),
WeTransition_(100.0),
AWe_(0.0)
{
if (!this->defaultCoeffs(true))
{
this->coeffDict().lookup("Cmu") >> Cmu_;
this->coeffDict().lookup("Comega") >> Comega_;
this->coeffDict().lookup("k1") >> k1_;
this->coeffDict().lookup("k2") >> k2_;
this->coeffDict().lookup("WeCrit") >> WeCrit_;
this->coeffDict().lookup("WeTransition") >> WeTransition_;
}
scalar k21 = k2_/k1_;
AWe_ = (k21*sqrt(WeTransition_) - 1.0)/pow4(WeTransition_);
if (!BreakupModel<CloudType>::solveOscillationEq_)
{
Info<< "Warning: solveOscillationEq is set to "
<< BreakupModel<CloudType>::solveOscillationEq_ << nl
<< " Setting it to true in order for the ETAB model to work."
<< endl;
BreakupModel<CloudType>::solveOscillationEq_ = true;
}
}
@ -71,11 +56,8 @@ template<class CloudType>
Foam::ETAB<CloudType>::ETAB(const ETAB<CloudType>& bum)
:
BreakupModel<CloudType>(bum),
Cmu_(bum.Cmu_),
Comega_(bum.Comega_),
k1_(bum.k1_),
k2_(bum.k2_),
WeCrit_(bum.WeCrit_),
WeTransition_(bum.WeTransition_),
AWe_(bum.AWe_)
{}
@ -123,10 +105,10 @@ bool Foam::ETAB<CloudType>::update
scalar semiMass = nParticle*pow3(d);
// inverse of characteristic viscous damping time
scalar rtd = 0.5*Cmu_*mu/(rho*r2);
scalar rtd = 0.5*this->TABCmu_*mu/(rho*r2);
// oscillation frequency (squared)
scalar omega2 = Comega_*sigma/(rho*r3) - rtd*rtd;
scalar omega2 = this->TABComega_*sigma/(rho*r3) - rtd*rtd;
if (omega2 > 0)
{
@ -134,7 +116,7 @@ bool Foam::ETAB<CloudType>::update
scalar romega = 1.0/omega;
scalar We = rhoc*sqr(Urmag)*r/sigma;
scalar Wetmp = We/WeCrit_;
scalar Wetmp = We/this->TABWeCrit_;
scalar y1 = y - Wetmp;
scalar y2 = yDot*romega;

7
src/lagrangian/spray/submodels/BreakupModel/ETAB/ETAB.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -71,13 +71,8 @@ private:
// Model constants
// Cmu_ and Comega_ are the same as in the TAB model
scalar Cmu_;
scalar Comega_;
scalar k1_;
scalar k2_;
scalar WeCrit_;
scalar WeTransition_;
scalar AWe_;

24
src/lagrangian/spray/submodels/BreakupModel/TAB/TAB.C
View File

@ -34,10 +34,7 @@ Foam::TAB<CloudType>::TAB
CloudType& owner
)
:
BreakupModel<CloudType>(dict, owner, typeName),
Cmu_(BreakupModel<CloudType>::TABCmu_),
Comega_(BreakupModel<CloudType>::TABComega_),
WeCrit_(BreakupModel<CloudType>::TABWeCrit_),
BreakupModel<CloudType>(dict, owner, typeName, true),
SMDCalcMethod_(this->coeffDict().lookup("SMDCalculationMethod"))
{
// calculate the inverse function of the Rossin-Rammler Distribution
@ -52,16 +49,6 @@ Foam::TAB<CloudType>::TAB
(1.0 - exp(-xx)*(1.0 + xx + sqr(xx)/2.0 + pow3(xx)/6.0))*rrd100;
}
if (!BreakupModel<CloudType>::solveOscillationEq_)
{
WarningIn("Foam::TAB<CloudType>::TAB(const dictionary&, CloudType&)")
<< "solveOscillationEq is set to "
<< BreakupModel<CloudType>::solveOscillationEq_ << nl
<< " Setting it to true in order for the TAB model to work."
<< endl;
BreakupModel<CloudType>::solveOscillationEq_ = true;
}
if (SMDCalcMethod_ == "method1")
{
SMDMethod_ = method1;
@ -84,9 +71,6 @@ template<class CloudType>
Foam::TAB<CloudType>::TAB(const TAB<CloudType>& bum)
:
BreakupModel<CloudType>(bum),
Cmu_(bum.Cmu_),
Comega_(bum.Comega_),
WeCrit_(bum.WeCrit_),
SMDCalcMethod_(bum.SMDCalcMethod_)
{}
@ -135,16 +119,16 @@ bool Foam::TAB<CloudType>::update
scalar semiMass = nParticle*pow3(d);
// inverse of characteristic viscous damping time
scalar rtd = 0.5*Cmu_*mu/(rho*r2);
scalar rtd = 0.5*this->TABCmu_*mu/(rho*r2);
// oscillation frequency (squared)
scalar omega2 = Comega_*sigma/(rho*r3) - rtd*rtd;
scalar omega2 = this->TABComega_*sigma/(rho*r3) - rtd*rtd;
if (omega2 > 0)
{
scalar omega = sqrt(omega2);
scalar We = rhoc*sqr(Urmag)*r/sigma;
scalar Wetmp = We/WeCrit_;
scalar Wetmp = We/this->TABWeCrit_;
scalar y1 = y - Wetmp;
scalar y2 = yDot/omega;

5
src/lagrangian/spray/submodels/BreakupModel/TAB/TAB.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -83,9 +83,6 @@ private:
// Model constants
scalar Cmu_;
scalar Comega_;
scalar WeCrit_;
word SMDCalcMethod_;
SMDMethods SMDMethod_;