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atmBoundaryLayerInletVelocity: removed spurious limit U <= Uref

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Rewrote using field algebra rather than looping over cells
Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=1384
This commit is contained in:
Henry
2014-12-29 12:05:54 +00:00
parent 0bf61824ab
commit ef1f62b846
1 changed files with 8 additions and 23 deletions
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31
src/turbulenceModels/incompressible/turbulenceModel/derivedFvPatchFields/atmBoundaryLayerInletVelocity/atmBoundaryLayerInletVelocityFvPatchVectorField.C
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@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | \\ / O peration |
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation \\ / A nd | Copyright (C) 2011-2014 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -111,31 +111,16 @@ atmBoundaryLayerInletVelocityFvPatchVectorField
<< abort(FatalError); << abort(FatalError);
} }
// Ensure direction vectors are normalized
n_ /= mag(n_); n_ /= mag(n_);
z_ /= mag(z_); z_ /= mag(z_);
forAll (Ustar_, i) Ustar_ = kappa_*Uref_/(log((Href_ + z0_)/max(z0_, 0.001)));
{ scalarField Un
Ustar_[i] = kappa_*Uref_/(log((Href_ + z0_[i])/max(z0_[i] , 0.001))); (
} (Ustar_/kappa_)
*log(((z_ & patch().Cf()) - zGround_ + z0_)/max(z0_, 0.001))
const vectorField& c = patch().Cf(); );
const scalarField coord(c & z_);
scalarField Un(coord.size());
forAll(coord, i)
{
if ((coord[i] - zGround_[i]) < Href_)
{
Un[i] =
(Ustar_[i]/kappa_)
* log((coord[i] - zGround_[i] + z0_[i])/max(z0_[i], 0.001));
}
else
{
Un[i] = Uref_;
}
}
vectorField::operator=(n_*Un); vectorField::operator=(n_*Un);
} }