[Gmsh] Important question for my Thesis

Tue Feb 11 15:16:24 CET 2014

Then I would try to just do a Delaunay triangulation of your points. gmsh has a plugin for that. But I have never done that kind of thing, please ask on the gmsh list for further assistance. I forward this mail also to the list.

Matthias

Von: Rachid Abraimi [mailto:R.Abraimi at student.tudelft.nl]
Gesendet: Dienstag, 11. Februar 2014 15:10
An: Zenker, Dr. Matthias
Betreff: RE: [Gmsh] Important question for my Thesis

Hi Matthias,

Thank you for your fast response and I am sorry for being not that clear.
I need a 2d mesh for the domain to simulate the tsunami.

Thanks in advance,

Rachid

Van: Zenker, Dr. Matthias [mailto:Matthias.Zenker at erbe-med.com]
Verzonden: dinsdag 11 februari 2014 11:02
Aan: Rachid Abraimi
CC: gmsh at geuz.org<mailto:gmsh at geuz.org>
Onderwerp: AW: [Gmsh] Important question for my Thesis

Hi Rachid,

you could try to do a Delaunay triangulation of your points to get a surface representing the ground.  You might have to project your points onto a plane since normally Delaunay triangulation works only in 2d AFAIK. Once you have the ground, you can define additional points at the edges of the volume you want to consider, define lines and surfaces and finally the volume. Then you can do a mesh3D.
For details, consult the gmsh documentation and ask the gmsh mailing list.

HTH,

Matthias

Von: Rachid Abraimi [mailto:R.Abraimi at student.tudelft.nl]
Gesendet: Dienstag, 11. Februar 2014 14:31
An: Zenker, Dr. Matthias
Betreff: RE: [Gmsh] Important question for my Thesis

Hi Matthias,

For my tsunami simulation I need to generate a depth-dependent mesh with coarse resolution at deep water and high resolution at coast and land (for inundation).
The topography data is a text file containing the depth for each point in the domain. Is it possible to import this data and give gmsh the command to perform a depth-depended triangle size?

Thanks in advance,

Gmsh user

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