Hi<div><br></div><div>I'm trying to remesh an STL geometry to hexas. I get the error below. Is the error fixable?</div><div><br></div><div><div>Info : Running './gmsh hexa_mesh.geo -3' [1 node(s), max. 1 thread(s)]</div>
<div>Info : Started on Wed Nov 16 19:49:16 2011</div><div>Info : Reading '/Users/tedkord/hexa_mesh.geo'...</div><div><span class="Apple-style-span">Info : Reading '/Users/</span>tedkord<span class="Apple-style-span">/nastran_mesh.stl'...</span></div>
<div>Info : 68884 facets in solid 0</div><div><span class="Apple-style-span">Info : Done reading '/Users/</span>tedkord<span class="Apple-style-span">/nastran_mesh.stl'</span></div><div>Info : Creating topology from mesh...</div>
<div>Info : Removing duplicate mesh vertices...</div><div>Info : No duplicate vertices found</div><div>Info : Done creating topology from mesh (0.759913 s)</div><div><span class="Apple-style-span">Info : Done reading '/Users/</span>tedkord/hexa<span class="Apple-style-span">_mesh.geo'</span></div>
<div>Info : Meshing 1D...</div><div>Info : Done meshing 1D (6e-06 s)</div><div>Info : Meshing 2D...</div><div>Info : Meshing surface 200 (Compound surface, MeshAdapt)</div><div>Warning : Wrong topology: Genus=-14, Nb boundaries=16, AR=22.3097</div>
<div>Info : -----------------------------------------------------------</div><div>Info : --- Split surface 200 in 2 parts with Multilevel Mesh partitioner</div><div>Info : Building graph...</div><div>Info : Partitioning graph...</div>
<div>Info : Launching Chaco graph partitioner</div><div>Info : Done partitioning graph</div><div>Info : Mesh partition: level (1-0) is ZERO-GENUS (AR=34 NB=3) ---> LAPLACIAN partition 2 parts</div><div>Info : Level (0-0): 0 connected small regions</div>
<div>Info : *** Mesh partition: level (2-0) is ZERO-GENUS (AR=1, NB=1)</div><div>Info : *** Mesh partition: level (2-1) is ZERO-GENUS (AR=2, NB=1)</div><div>Info : *** Mesh partition: level (1-1) is ZERO-GENUS (AR=1, NB=1)</div>
<div>Info : *** Mesh partition: level (1-2) is ZERO-GENUS (AR=2, NB=1)</div><div>Info : *** Mesh partition: level (1-3) is ZERO-GENUS (AR=1, NB=1)</div><div>Info : *** Mesh partition: level (1-4) is ZERO-GENUS (AR=2, NB=1)</div>
<div>Info : *** Mesh partition: level (1-5) is ZERO-GENUS (AR=2, NB=1)</div><div>Info : *** Mesh partition: level (1-6) is ZERO-GENUS (AR=2, NB=1)</div><div>Info : *** Mesh partition: level (1-7) is ZERO-GENUS (AR=2, NB=1)</div>
<div>Error : Genus partition is negative G=-8!</div><div><br></div><div><br></div>-- <br>Many thanks,<div><br></div><div>Theodore K</div><div><br></div><br>
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