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BUG: nearWallFields: point on the face is inside/outside any tet.

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Now we directly releate the intersected face triangle to the tet of the
cell the point is on/in. We hope that the tracking handles this ok. Fixes #549.
This commit is contained in:
mattijs
2017-08-17 10:58:56 +01:00
parent 3b16c365ee
commit cf0ffa1933
1 changed files with 44 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
src/functionObjects/field/nearWallFields/nearWallFields.C
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@ -3,7 +3,7 @@
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\/ M anipulation | Copyright (C) 2015 OpenCFD Ltd.
\\/ M anipulation | Copyright (C) 2015-2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@ -77,6 +77,7 @@ void Foam::functionObjects::nearWallFields::calcAddressing()
vectorField nf(patch.nf());
vectorField faceCellCentres(patch.patch().faceCellCentres());
const labelUList& faceCells = patch.patch().faceCells();
forAll(patch, patchFacei)
{
@ -95,40 +96,62 @@ void Foam::functionObjects::nearWallFields::calcAddressing()
);
// Starting point and tet
point start;
label tetFacei = -1;
label tetPti = -1;
const label celli = faceCells[patchFacei];
if (startInfo.hit())
{
// Move start point slightly in so it is inside the tet
const face& f = mesh_.faces()[meshFacei];
tetFacei = meshFacei;
tetPti = (startInfo.index()+1) % f.size();
start = startInfo.hitPoint();
//// Uncomment below to shift slightly in:
//tetIndices tet(celli, meshFacei, tetPti, mesh_);
//start =
// (1.0-1e-6)*startInfo.hitPoint()
// + 1e-6*tet.tet(mesh_).centre();
}
else
{
// Fallback: start tracking from neighbouring cell centre
start = faceCellCentres[patchFacei];
mesh_.findTetFacePt(celli, start, tetFacei, tetPti);
}
const point end = start-distance_*nf[patchFacei];
// Find tet for starting location
label celli = -1;
label tetFacei = -1;
label tetPti = -1;
mesh_.findCellFacePt(start, celli, tetFacei, tetPti);
// Add to cloud. Add originating face as passive data
cloud.addParticle
(
new findCellParticle
if (tetFacei == -1)
{
WarningInFunction << "Did not find point " << start
<< " inside cell " << celli
<< ". Not seeding particle originating from face centre "
<< mesh_.faceCentres()[meshFacei]
<< " with cell centre " << mesh_.cellCentres()[celli]
<< endl;
}
else
{
// Add to cloud. Add originating face as passive data
cloud.addParticle
(
mesh_,
start,
celli,
tetFacei,
tetPti,
end,
globalWalls.toGlobal(nPatchFaces) // passive data
)
);
new findCellParticle
(
mesh_,
start,
celli,
tetFacei,
tetPti,
end,
globalWalls.toGlobal(nPatchFaces) // passive data
)
);
}
nPatchFaces++;
}
}