From e34c62d3f8886bb4a8e40c8cc508ffcfa23fb881 Mon Sep 17 00:00:00 2001
From: Ned Coltman <edward.coltman@iws.uni-stuttgart.de>
Date: Thu, 6 Aug 2020 17:47:52 +0200
Subject: [PATCH] [rans][lowrekepsilon] add density in all terms of the
lowrekepsilon model
---
.../lowrekepsilon/staggered/fluxvariables.hh | 20 +++++++++----------
.../lowrekepsilon/staggered/localresidual.hh | 16 +++++++--------
2 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/fluxvariables.hh b/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/fluxvariables.hh
index a080d51cac..4ce64ab70d 100644
--- a/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/fluxvariables.hh
+++ b/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/fluxvariables.hh
@@ -97,11 +97,11 @@ public:
// calculate advective flux
auto upwindTermK = [](const auto& volVars)
{
- return volVars.turbulentKineticEnergy();
+ return volVars.turbulentKineticEnergy() * volVars.density();
};
auto upwindTermEpsilon = [](const auto& volVars)
{
- return volVars.dissipationTilde();
+ return volVars.dissipationTilde() * volVars.density();
};
flux[turbulentKineticEnergyEqIdx]
@@ -116,14 +116,14 @@ public:
const auto& outsideVolVars = elemVolVars[scvf.outsideScvIdx()];
// effective diffusion coefficients
- Scalar insideCoeff_k = insideVolVars.kinematicViscosity()
- + insideVolVars.kinematicEddyViscosity() / insideVolVars.sigmaK();
- Scalar outsideCoeff_k = outsideVolVars.kinematicViscosity()
- + outsideVolVars.kinematicEddyViscosity() / outsideVolVars.sigmaK();
- Scalar insideCoeff_e = insideVolVars.kinematicViscosity()
- + insideVolVars.kinematicEddyViscosity() / insideVolVars.sigmaEpsilon();
- Scalar outsideCoeff_e = outsideVolVars.kinematicViscosity()
- + outsideVolVars.kinematicEddyViscosity() / outsideVolVars.sigmaEpsilon();
+ Scalar insideCoeff_k = insideVolVars.viscosity() + insideVolVars.kinematicEddyViscosity()
+ * insideVolVars.density() / insideVolVars.sigmaK();
+ Scalar outsideCoeff_k = outsideVolVars.viscosity() + outsideVolVars.kinematicEddyViscosity()
+ * outsideVolVars.density() / outsideVolVars.sigmaK();
+ Scalar insideCoeff_e = insideVolVars.viscosity() + insideVolVars.kinematicEddyViscosity()
+ * insideVolVars.density() / insideVolVars.sigmaEpsilon();
+ Scalar outsideCoeff_e = outsideVolVars.viscosity() + outsideVolVars.kinematicEddyViscosity()
+ * outsideVolVars.density() / outsideVolVars.sigmaEpsilon();
// scale by extrusion factor
insideCoeff_k *= insideVolVars.extrusionFactor();
diff --git a/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/localresidual.hh b/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/localresidual.hh
index b29e5bec58..1c692aa425 100644
--- a/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/localresidual.hh
+++ b/dumux/freeflow/rans/twoeq/lowrekepsilon/staggered/localresidual.hh
@@ -82,8 +82,8 @@ public:
{
CellCenterPrimaryVariables storage = ParentType::computeStorageForCellCenter(problem, scv, volVars);
- storage[turbulentKineticEnergyEqIdx] = volVars.turbulentKineticEnergy();
- storage[dissipationEqIdx] = volVars.dissipationTilde();
+ storage[turbulentKineticEnergyEqIdx] = volVars.turbulentKineticEnergy() * volVars.density();
+ storage[dissipationEqIdx] = volVars.dissipationTilde() * volVars.density();
return storage;
}
@@ -101,22 +101,22 @@ public:
const auto& volVars = elemVolVars[scv];
// production
- source[turbulentKineticEnergyEqIdx] += 2.0 * volVars.kinematicEddyViscosity()
+ source[turbulentKineticEnergyEqIdx] += 2.0 * volVars.dynamicEddyViscosity()
* volVars.stressTensorScalarProduct();
source[dissipationEqIdx] += volVars.cOneEpsilon() * volVars.fOne()
* volVars.dissipationTilde() / volVars.turbulentKineticEnergy()
- * 2.0 * volVars.kinematicEddyViscosity()
+ * 2.0 * volVars.dynamicEddyViscosity()
* volVars.stressTensorScalarProduct();
// destruction
- source[turbulentKineticEnergyEqIdx] -= volVars.dissipationTilde();
- source[dissipationEqIdx] -= volVars.cTwoEpsilon() * volVars.fTwo()
+ source[turbulentKineticEnergyEqIdx] -= volVars.dissipationTilde() * volVars.density();
+ source[dissipationEqIdx] -= volVars.cTwoEpsilon() * volVars.fTwo() * volVars.density()
* volVars.dissipationTilde() * volVars.dissipationTilde()
/ volVars.turbulentKineticEnergy();
// dampening functions
- source[turbulentKineticEnergyEqIdx] -= volVars.dValue();
- source[dissipationEqIdx] += volVars.eValue();
+ source[turbulentKineticEnergyEqIdx] -= volVars.dValue() * volVars.density();
+ source[dissipationEqIdx] += volVars.eValue() * volVars.density();
return source;
}
--
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