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atmBoundaryLayer: Removed the hard-coded limit on z0

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Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=1638
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Henry
2015-03-27 15:15:16 +00:00
parent 1240c4d308
commit 5550139aec
1 changed files with 2 additions and 2 deletions
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4
src/TurbulenceModels/turbulenceModels/RAS/derivedFvPatchFields/atmBoundaryLayer/atmBoundaryLayer.C
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@ -71,7 +71,7 @@ atmBoundaryLayer::atmBoundaryLayer(const vectorField& p, const dictionary& dict)
flowDir_ /= mag(flowDir_); flowDir_ /= mag(flowDir_);
zDir_ /= mag(zDir_); zDir_ /= mag(zDir_);
Ustar_ = kappa_*Uref_/(log((Zref_ + z0_)/max(z0_, scalar(0.001)))); Ustar_ = kappa_*Uref_/(log((Zref_ + z0_)/z0_));
} }
@ -134,7 +134,7 @@ tmp<vectorField> atmBoundaryLayer::U(const vectorField& p) const
scalarField Un scalarField Un
( (
(Ustar_/kappa_) (Ustar_/kappa_)
*log(((zDir_ & p) - zGround_ + z0_)/max(z0_, scalar(0.001))) *log(((zDir_ & p) - zGround_ + z0_)/z0_)
); );
return flowDir_*Un; return flowDir_*Un;