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There's a bug in Schaeffer's expression for the frictional viscosity,

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which was pointed out by Rasmus.

The alpha[celli] term in muf should not be there.
This commit is contained in:
henry
2008-05-20 18:05:07 +01:00
parent b2e05717aa
commit cdb78d6741
1 changed files with 5 additions and 5 deletions
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2
applications/solvers/multiphase/twoPhaseEulerFoam/kineticTheoryModel/frictionalStressModel/Schaeffer/SchaefferFrictionalStress.C
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@ -130,7 +130,7 @@ Foam::tmp<Foam::volScalarField> Foam::SchaefferFrictionalStress::muf
if (alpha[celli] > alphaMax.value()-5e-2) if (alpha[celli] > alphaMax.value()-5e-2)
{ {
muf_[celli] = muf_[celli] =
0.5*alpha[celli]*pf[celli]*sin(phi.value()) 0.5*pf[celli]*sin(phi.value())
/( /(
sqrt(1.0/6.0*(sqr(D[celli].xx() - D[celli].yy()) sqrt(1.0/6.0*(sqr(D[celli].xx() - D[celli].yy())
+ sqr(D[celli].yy() - D[celli].zz()) + sqr(D[celli].yy() - D[celli].zz())