[Gmsh] generate mesh in area with (large variation in z

[Christophe Geuzaine]

> On 26 Dec 2020, at 12:15, Komal Kumari <komu06c at gmail.com> wrote:
> 
> I have a large command area with irregular topography ( large variation in z values) in which I want to generate mesh.   
> Because the  "plane surface" is not plane for this case: the z-coordinates of points on its boundary range from 1 to 90. GMSH 4.3.0 computes the "best" plane surface in the least-square sense, some of the z-coordinates are showing  negative z-values.
> Please help me to generate mesh for the cases with large variation in z values ?  

Maybe tutorial x2 could be of interest? Cf. http://gmsh.info/dev/doc/texinfo/gmsh.html#x2

Christophe


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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://people.montefiore.ulg.ac.be/geuzaine