[Gmsh] bug report

mark center mcenter at centurytel.net
Sat Apr 29 23:43:52 CEST 2006


extruded, rotated, and translated ellipse.

Cool program. I am using Gmsh with OpenFlower for a term paper on GPL
resources for Adv. Fluid Dynamics at the University of Arkansas.



-- 
mark center <mcenter at centurytel.net>
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// Gmsh project created on Sat Apr 29 15:58:16 2006
Point(1) = {0,0,0,0.3};
Point(2) = {2,0,0,0.3};
Point(3) = {-2,0,0,0.3};
Point(4) = {0,-1,0,0.3};
Point(5) = {0,-1,0,0.3};
Point(6) = {0,1,0,0.3};
Point(7) = {-1,0,0,0.3};
Point(8) = {1,0,0,0.3};
Ellipse(1) = {3,1,7,6};
Ellipse(2) = {6,1,8,2};
Ellipse(3) = {2,1,8,4};
Ellipse(4) = {4,1,7,3};
Line Loop(5) = {2,3,4,1};
Plane Surface(6) = {5};
Extrude {{0,0,20}, {0,0,1}, {0,0,1}, Pi} {
  Surface{6};
}

Surface Loop(76) = {19,-6,15,28,23,27};
Volume(77) = {76};

//inlet
Physical Surface(73)= {6};

//outlet
Physical Surface(74) = {28};

//walls
Physical Surface(75) = {19,23,27,15};

Physical Volume(78) = {77};



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Info    : -------------------------------------------------------
Info    : Gmsh version   : 1.64.1
Info    : Build OS       : Linux
Info    : Build options  : GSL TRIANGLE NETGEN TETGEN JPEG PNG ZLIB MATHEVAL METIS ANN 
Info    : Build date     : Sat Mar 18 00:45:33 EST 2006
Info    : Build host     : debian
Info    : Packager       : geuzaine
Info    : Home directory : /home/mcenter/
Info    : Launch date    : Sat Apr 29 16:24:55 2006
Info    : Command line   : /home/mcenter/gmsh-1.64.1/gmsh 
Info    : -------------------------------------------------------
Info    : Parsing file '/home/mcenter/openflower-v1.0/examples/elliptic.geo'
Info    : Parsed file '/home/mcenter/openflower-v1.0/examples/elliptic.geo'
Info    : Mesh 1D...
Info    : Meshing curve 1
Info    : Meshing curve 2
Info    : Meshing curve 3
Info    : Meshing curve 4
Info    : Meshing curve 8
Info    : Meshing curve 9
Info    : Meshing curve 10
Info    : Meshing curve 11
Info    : Meshing curve 13
Info    : Meshing curve 14
Info    : Meshing curve 18
Info    : Meshing curve 22
Info    : Mesh 1D complete (0.010998 s)
Info    : Mesh 2D...
Info    : Meshing surface 6
Info    : Smoothing surface 6
Info    : Meshing surface 15
Info    : Swapping (1 missing edges)
Info    : Elimination (1 swaps)
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Info    : Swapping (1 missing edges)
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Info    : Swapping (1 missing edges)
Info    : Elimination (1 swaps)
Warning : Volume has changed (0.466387->0.167882)
Info    : Smoothing surface 15
Info    : Relaxation factor = 0.75
Info    : Relaxation factor = 0.5625
Info    : Relaxation factor = 0.421875
Info    : Relaxation factor = 0.316406
Info    : Relaxation factor = 0.237305
Info    : Relaxation factor = 0.177979
Info    : Relaxation factor = 0.133484
Info    : Relaxation factor = 0.100113
Info    : Relaxation factor = 0.0750847
Info    : Relaxation factor = 0.0563135
Info    : Relaxation factor = 0.0422351
Info    : Relaxation factor = 0.0316764
Info    : Relaxation factor = 0.0237573
Info    : Relaxation factor = 0.0178179
Info    : Relaxation factor = 0.0133635
Info    : Relaxation factor = 0.0100226
Info    : Relaxation factor = 0.00751695
Info    : Relaxation factor = 0.00563771
Info    : Relaxation factor = 0.00422828
Info    : Relaxation factor = 0.00317121
Info    : Relaxation factor = 0.00237841
Info    : Relaxation factor = 0.00178381
Info    : Relaxation factor = 0.00133786
Info    : Relaxation factor = 0.00100339
Info    : Relaxation factor = 0.000752543
Info    : Relaxation factor = 0.000564408
Info    : Relaxation factor = 0.000423306
Info    : Relaxation factor = 0.000317479
Info    : Relaxation factor = 0.000238109
Info    : Relaxation factor = 0.000178582
Info    : Relaxation factor = 0.000133937
Info    : Relaxation factor = 0.000100452
Info    : Relaxation factor = 7.53393e-05
Info    : Relaxation factor = 5.65045e-05
Info    : Meshing surface 19
Info    : Swapping (1 missing edges)
Fatal   : Segmentation violation (invalid memory reference)
        : ------------------------------------------------------
        : You have discovered a bug in Gmsh! You may report it
        : by e-mail (together with any helpful data permitting to
        : reproduce it) to <gmsh at geuz.org>
Info    : Writing log file '/home/mcenter/.gmsh-errors'