[Gmsh] Two overlapping spheres

Christophe Geuzaine cgeuzaine at ulg.ac.be
Thu Apr 23 21:46:33 CEST 2015


> On 23 Apr 2015, at 14:54, Jose Aguilar Cano <jaguilar at ulb.ac.be> wrote:
> 
> 
> 
> Dear all,
> 
> First of all, I would like to express my gratitude 
> for this post sinceit has helped in my thesis
> of the influence of the morphology in the
> lithium ion batteries. 
> 
> Apart from that, I still have some doubts
> that I could not figure out yet. Since I
> have been typing by scratch only with
> Gmsh, it has appeared the following doubts:
> 
> -Is it possible to change the characteristic length
> to my liking in Gmsh while if the
> geometry has been exported from
> FreeCAD as a STEP?

Sure.

> and if it is how?
> 

Just as usual : you can set sizes at points (see the “Characteristic Length” command), use “Fields”… exactly as in .geo files.

Usually you would create a .geo file that “merges” the .step, and add the commands in there, e.g.

Merge “file.step”;
Characteristic Length{ some_point_ids } = some_value ;
...


> -For creating physical elements, where and
> how should I do it in FreeCAD or Gmsh?

in Gmsh.

> 
> Thank you for all,
> 
> Faithfully
> 
> 
> 
> 
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine







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