[Gmsh] 3D mesh with interface

[Christophe Geuzaine]

On 25 Mar 2013, at 21:31, Songting Luo <luosongting at gmail.com> wrote:

> Dear All,  
> 
> I am trying to solve Maxwell equations with interface conditions, and need to generate a 3D mesh with the following setup,
> 
> The domain is a larger sphere.   The interface is a smaller sphere contained in the larger sphere.  I have been trying to generate a 
> mesh such that  the tetrahedra don't cross the interface, but with one face on the interface (in order to impose interface conditions of Maxwell equations).  
> I have tried, but the mesh doesn't look right.  Can anyone please let me know how to generate such meshes?   Any tutorials or examples will be appreciated. 
> 

here's a small example:

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> Thank you very much in advance.
> 
> Sincerely,
> 
> Luo 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine