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[snappyHexMesh] SnappyHexMesh Error

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Old   February 10, 2018, 06:52
Post SnappyHexMesh Error
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kelvin loh
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I am trying to run snappyHexMesh on a blockMesh (with toposet refinemeshs) following DTChullwave tutorial. The only difference is that I added an additional ship in the snappyhexmesh (2 ship stls). However after running snappyhexmesh, Im getting the following error in the log file:

calculating patchDisplacement as distance to nearest surface point ...
--> FOAM Warning : 
    From function static Foam::vectorField Foam::snappySnapDriver::calcNearestSurface(const Foam::meshRefinement&, const scalarField&, const indirectPrimitivePatch&, Foam::pointField&, Foam::vectorField&)
    in file snappyHexMeshDriver/snappySnapDriver.C at line 1638
    For point:57 coordinate:(59 -28.5781 -21.9) did not find any surface within:0.921875 metre.
Eventually, my ship model is skewed when i ran paraFoam. May I know exactly what does the above error message means? Also, how can i remedy this?
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Old   February 10, 2018, 20:52
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Tobias Holzmann
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first of all, it is not an error message it is a warning which tells you that there is no point to push the mesh to. To get rid of that message, you can increase the snap tolerance.
Keep foaming,
Tobias Holzmann
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dtchull tutorial, snappyhexmesh, stl

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