Thank you Dave, however that's the way I do it now, but it seems not very efficient so thats why I am asking for any auto-tool or optimisation tool. Regards, J.
On Mon, Aug 26, 2013 at 3:40 PM, E David Huckaby < [email protected]> wrote: > Hello J., > > I have found the easiest way to change the mesh resolution in gmsh is the > following: > > 1) open the associated ".geo" file: > a) using gmsh - Modules->Geometry->Edit file > - If gmsh cannot find the editor you may need to configure > Tools->Options->General->Advanced > b) or using a text editor > 2) edit the scaling parameter in the point definition: > for example if the point is defined as "Point(1) = {1, 1, > 1, 0.1};", > - the value in parenthesis is the "point id" > - the first 3 values in braces are the coordinates > - the last value in braces is the mesh resolution at > the point > 3) reload the geometry: Modules->Geometry->Reload > 4) mesh > > hope this helps. > > there may also be a gui only way. > > Dave > > >>> John Assael <[email protected]> 8/26/2013 8:08 AM >>> > Any suggestions? > thanks > > > On Sat, Aug 24, 2013 at 5:07 PM, John Assael <[email protected]> wrote: > >> Hi, I have a very small mesh of 2cm x 1cm (2D) and I have a problem >> optimising the cell sizes in Gmsh. At this point I do it by hand with trial >> and error and also I saw that the triangulation algorithm affects my >> results. For example if I select Frontal I get quite different results. >> Could you please kindly suggest me any settings that could balance >> precision and performance for such a small size? >> Moreover, is there any auto optimisation tool that could help selecting >> the optimum cell sizes? >> Thank you very much! >> Kind regards, >> J. >> >> -- >> ..:: ic3man.gr ::.. >> software | design | development >> _/_/_/ email: [email protected] >> _/_/_/ www : http://www.ic3man.gr >> ------------------------------------------------------------------ >> This e-mail and any attachments are confidential. You may not copy >> or disseminate any information contained in them to anyone other >> than the intended recipient. If you are not the intended recipient >> please contact the sender by reply e-mail and destroy all copies >> of the original message immediately. >> ------------------------------------------------------------------ >> > > > > -- > ..:: ic3man.gr ::.. > software | design | development > _/_/_/ email: [email protected] > _/_/_/ www : http://www.ic3man.gr > ------------------------------------------------------------------ > This e-mail and any attachments are confidential. You may not copy > or disseminate any information contained in them to anyone other > than the intended recipient. If you are not the intended recipient > please contact the sender by reply e-mail and destroy all copies > of the original message immediately. > ------------------------------------------------------------------ > > _______________________________________________ > fipy mailing list > [email protected] > http://www.ctcms.nist.gov/fipy > [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] > > -- ..:: ic3man.gr ::.. software | design | development _/_/_/ email: [email protected] _/_/_/ www : http://www.ic3man.gr ------------------------------------------------------------------ This e-mail and any attachments are confidential. You may not copy or disseminate any information contained in them to anyone other than the intended recipient. If you are not the intended recipient please contact the sender by reply e-mail and destroy all copies of the original message immediately. ------------------------------------------------------------------
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