snappyHexMesh実行でコアダンプ

[kwck]

snappyHexMeshを実行すると以下のエラーが出てコアダンプしてしまいます．

blockMeshまではエラーなくメッシュが切れました．

snappyHexMeshDictの記述に問題がありそうなのですが，
問題箇所が特定できずにおります．

どなたか解決法をご存知の方がいらっしゃいましたらご教授お願いします．
----------------------------------------------------------------------------------------------------------
Create time

Create mesh for time = 0

Read mesh in = 0.1 s

Overall mesh bounding box  : (-0.4 0 -0.2) (0 0.15 0.2)
Relative tolerance         : 1e-06
Absolute matching distance : 5.85235e-07

#0  Foam::error::printStack(Foam::Ostream&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#1  Foam::sigSegv::sigHandler(int) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#2   in "/lib/x86_64-linux-gnu/libc.so.6"
#3  yyFlexLexer::yy_get_previous_state() in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libsurfMesh.so"
#4  STLLexer::lex() in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libtriSurface.so"
#5  Foam::triSurface::readSTLASCII(Foam::fileName const&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libtriSurface.so"
#6  Foam::triSurface::readSTL(Foam::fileName const&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libtriSurface.so"
#7  Foam::triSurface::read(Foam::fileName const&, Foam::word const&, bool) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libtriSurface.so"
#8  Foam::triSurface::triSurface(Foam::fileName const&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libtriSurface.so"
#9  Foam::triSurfaceMesh::triSurfaceMesh(Foam::IOobject const&, Foam::dictionary const&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libmeshTools.so"
#10  Foam::searchableSurface::adddictConstructorToTable<Foam::triSurfaceMesh>::New(Foam::IOobject const&, Foam::dictionary const&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libmeshTools.so"
#11  Foam::searchableSurface::New(Foam::word const&, Foam::IOobject const&, Foam::dictionary const&) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libmeshTools.so"
#12  Foam::searchableSurfaces::searchableSurfaces(Foam::IOobject const&, Foam::dictionary const&, bool) in "/opt/openfoam230/platforms/linux64GccDPOpt/lib/libmeshTools.so"
#13 
 in "/opt/openfoam230/platforms/linux64GccDPOpt/bin/snappyHexMesh"
#14  __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
#15 
 in "/opt/openfoam230/platforms/linux64GccDPOpt/bin/snappyHexMesh"
Segmentation fault (コアダンプ)
----------------------------------------------------------------------------------------------------------
以下はsnappyHexMeshの内容です．
/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.3.0                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

castellatedMesh true;
snap            true;
addLayers       false;

geometry
{
    vortex_base2.stl
    {
        type triSurfaceMesh;
        name vortex_base2;
    }

    /*refinementBox
    {
        type searchableBox;
        min (-1.0 -0.7 0.0);
        max ( 8.0  0.7 2.5);
    }*/
};

castellatedMeshControls
{
    maxLocalCells 100000;

    maxGlobalCells 2000000;

    minRefinementCells 0;

    maxLoadUnbalance 0.10;

    nCellsBetweenLevels 3;

    features
    (
        /*{
            file "motorBike.eMesh";
            level 6;
        }*/
    );

    refinementSurfaces
    {
        vortex_base2
        {
            level (1 1);
            /*patchInfo
            {
                type wall;
                inGroups (motorBikeGroup);
            }*/
        }
    }

    resolveFeatureAngle 30;

    refinementRegions
    {
        /*refinementBox
        {
            mode inside;
            levels ((1E15 4));
        }*/
    }

    locationInMesh (0.001 0 0);

    allowFreeStandingZoneFaces true;
}

snapControls
{
    nSmoothPatch 3;

    tolerance 2.0;

    nSolveIter 30;

    nRelaxIter 5;

    nFeatureSnapIter 10;

    implicitFeatureSnap false;

    explicitFeatureSnap true;

    multiRegionFeatureSnap false;
}

addLayersControls
{
    relativeSizes true;

    layers
    {
        "(lowerWall|vortex_base).*"
        {
            nSurfaceLayers 1;
        }
    }

    expansionRatio 1.0;

    finalLayerThickness 0.3;

    minThickness 0.1;

    nGrow 0;

    featureAngle 360;

    slipFeatureAngle 30;

    nRelaxIter 3;

    nSmoothSurfaceNormals 1;

    nSmoothNormals 3;

    // Smooth layer thickness over surface patches
    nSmoothThickness 10;

    maxFaceThicknessRatio 0.5;

    maxThicknessToMedialRatio 0.3;

    minMedianAxisAngle 90;

    nBufferCellsNoExtrude 0;

    nLayerIter 50;
}

meshQualityControls
{
    maxNonOrtho 60;

    maxBoundarySkewness 20;
   
    maxInternalSkewness 4;

    //maxConcave 80;
    maxConcave 10;

    minVol 1e-13;

    minTetQuality 1e-30;
    //minTetQuality -1e30;

    minArea -1;

    minTwist 0.02;

    minDeterminant 0.001;

    minFaceWeight 0.02;

    minVolRatio 0.01;

    minTriangleTwist -1;

    nSmoothScale 4;
   
    errorReduction 0.75;
}
/*{
    #include "meshQualityDict"


    // Advanced

    //- Number of error distribution iterations
    nSmoothScale 4;
    //- amount to scale back displacement at error points
    errorReduction 0.75;
}*/


// Advanced

// Write flags
writeFlags
(
    layerFields     // write volScalarField for layer coverage
);


// Merge tolerance. Is fraction of overall bounding box of initial mesh.
// Note: the write tolerance needs to be higher than this.
mergeTolerance 1e-6;

[ohbuchi]

STLファイルの読み込みエラーの様です。バイナリSTLだったりしませんか？

2014年12月12日金曜日 19時46分26秒 UTC+9 kwck:

[kwck]

ohbuchi様

ご指摘ありがとうございます．

ご指摘のとおりSTLファイルがbinary形式になっておりました．
ascii形式に変すると実行することができました．

[kwck]

お世話になっております．

snappyHexMeshでメッシュが作成でき, 無事paraFoamで確認できました．

その後，0ファイル以外の時刻ディレクトリを削除し「snappyHexMesh -overwrite」を実行しましたが，
paraFoamを開いてApplyをクリックするとparaFoamが落ちてしまいます．

以下のサイトを参考にしました．
http://www.geocities.jp/penguinitis2002/study/OpenFOAM/snappyHexMesh/snappyHexMesh.html

上記の方法にどこかおかしい箇所がありますでしょうか．

ご存知の方はご指摘のほどよろしくお願いします．