From a8d591738909c2156b3f2cb9d81fdfaa4e5fa86c Mon Sep 17 00:00:00 2001 From: Henry <Henry> Date: Wed, 11 Mar 2015 18:06:04 +0000 Subject: [PATCH] TomiyamaLift: Updated coefficient to make the model continuous at EoH = 10.7 Correction provided by Juho Peltola --- .../liftModels/TomiyamaLift/TomiyamaLift.C | 5 ++++- .../liftModels/TomiyamaLift/TomiyamaLift.H | 6 +++++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.C b/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.C index 310f2f30cd2..d4a4dfd17e5 100644 --- a/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.C +++ b/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.C @@ -63,7 +63,10 @@ Foam::tmp<Foam::volScalarField> Foam::liftModels::TomiyamaLift::Cl() const { volScalarField EoH(pair_.EoH2()); - volScalarField f(0.00105*pow3(EoH) - 0.0159*sqr(EoH) - 0.0204*EoH + 0.474); + volScalarField f + ( + 0.0010422*pow3(EoH) - 0.0159*sqr(EoH) - 0.0204*EoH + 0.474 + ); return neg(EoH - scalar(4))*min(0.288*tanh(0.121*pair_.Re()), f) diff --git a/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.H b/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.H index 881d661bd3b..c179558dde9 100644 --- a/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.H +++ b/applications/solvers/multiphase/twoPhaseEulerFoam/interfacialModels/liftModels/TomiyamaLift/TomiyamaLift.H @@ -2,7 +2,7 @@ ========= | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / O peration | - \\ / A nd | Copyright (C) 2014 OpenFOAM Foundation + \\ / A nd | Copyright (C) 2014-2015 OpenFOAM Foundation \\/ M anipulation | ------------------------------------------------------------------------------- License @@ -35,6 +35,10 @@ Description Volume 57, Issue 11, June 2002, pp. 1849-1858 \endverbatim + The coefficient for pow3(EoH) proposed by Tomiyama (2002) has been modified + to make the model continuous at EoH = 10.7 while maintaining the + lift coefficient proposed by Tomiyama (2002) when EoH >= 10.7. + SourceFiles TomiyamaLift.C -- GitLab