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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
This commit is contained in:
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_);
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
(
(Ustar_/kappa_)
*log(((zDir_ & p) - zGround_ + z0_)/max(z0_, scalar(0.001)))
*log(((zDir_ & p) - zGround_ + z0_)/z0_)
);
return flowDir_*Un;