Hi Serban Ah, That's what I've done. I was thinking there might be some extra processing for the ignored elements. Thanks.
Regards Theodore On 7 July 2011 21:14, <[email protected]> wrote: > Hi Theodore,**** > > ** ** > > I’m afraid that currently I cannot share the software (internal use only), > but the idea is simple. **** > > First I go to the $Nodes section, and read all coordinates. Then I go the > $Element section, and for each line I split into tokens. **** > > The first one is the element type, and I only look at tetrahedral (4 for > 1st order tetra and 11 for 2nd order). The rest I ignore. **** > > I read according to the mesh file format:**** > > ** ** > > elm-number elm-type number-of-tags < tag > ... node-number-list**** > > ** ** > > so basically I skip the tags and only read the conenctivity information.** > ** > > ** ** > > That's about it.**** > > ** ** > > Cheers,**** > > Serban**** > > ** ** > > ** ** > > *From:* Ted Kord [mailto:[email protected]] > *Sent:* 07 July 2011 20:57 > *To:* Serban Georgescu > *Cc:* [email protected] > *Subject:* Re: [Gmsh] MSH Format**** > > ** ** > > Hi Serban,**** > > ** ** > > It does, thanks. **** > > ** ** > > You couldn't possibly send me the converter could you.**** > > ** ** > > Regards**** > > ** ** > > Theodore**** > > On 7 July 2011 20:41, <[email protected]> wrote:**** > > Hi Theodore,**** > > **** > > I am currently doing exactly what you are saying.**** > > I have a converter that reads only the tetrahedral elements from the mesh > file and outputs a mesh format specific to the FEM solver that I am using. I > then set the boundary conditions using the Pre-Post tool that comes with the > solver. So I am ignoring all non-tetrahedral elements in the Gmsh mesh file. > **** > > **** > > Hope that answers you question.**** > > **** > > Cheers,**** > > Serban**** > > **** > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Ted Kord > *Sent:* 07 July 2011 20:28 > *To:* [email protected] > *Subject:* [Gmsh] MSH Format**** > > **** > > This may be a naive question but humour me.**** > > **** > > I've meshed my geometry using Gmsh and the mesh file has the usual format. > In the $Elements section, there's connectivity for triangles and tetrahedra. > Am I correct in saying that:**** > > **** > > a) the triangles are surface/boundary elements and**** > > **** > > b) I can ignore the triangles (if for the moment, I'm not concerned with > boundary conditions, etc) and only use the connectivity information for the > tetrahedra and still have the mesh and its nodes correctly represented? ** > ** > > **** > > If the answers to these are 'NO', is there a way for me to generate a mesh > with only nodes and connectivity information for tetrahedral elements only? > **** > > **** > > ..**** > > $MeshFormat**** > > 2.2 0 8**** > > $EndMeshFormat**** > > $Nodes**** > > 241401**** > > 1 2.848267 -65.8432 2.187612**** > > ..**** > > ..**** > > $EndNodes**** > > $Elements**** > > 1379514**** > > 1 1 2 0 7 1102 1101**** > > ..**** > > ..**** > > 210000 4 2 0 9 189345 47114 189340 189339**** > > 210001 4 2 0 9 189345 47114 48392 189340**** > > $EndElements**** > > **** > > > -- > Best regards,**** > > **** > > Theodore**** > > **** > > **** > > ______________________________________________________________________**** > > **** > > Fujitsu Laboratories of Europe Limited**** > > Hayes Park Central, Hayes End Road, Hayes, Middlesex, UB4 8FE**** > > Registered No. 4153469**** > > **** > > This e-mail and any attachments are for the sole use of addressee(s) and**** > > may contain information which is privileged and confidential. > Unauthorised**** > > use or copying for disclosure is strictly prohibited. The fact that this**** > > e-mail has been scanned by Trendmicro Interscan does not guarantee that **** > > it has not been intercepted or amended nor that it is virus-free.**** > > > > > -- > Best regards,**** > > ** ** > > Theodore**** > > ** ** > > ** ** > > ______________________________________________________________________ > > Fujitsu Laboratories of Europe Limited > Hayes Park Central, Hayes End Road, Hayes, Middlesex, UB4 8FE > Registered No. 4153469 > > This e-mail and any attachments are for the sole use of addressee(s) and > may contain information which is privileged and confidential. Unauthorised > use or copying for disclosure is strictly prohibited. The fact that this > e-mail has been scanned by Trendmicro Interscan does not guarantee that > it has not been intercepted or amended nor that it is virus-free. > > -- Best regards, Theodore
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