[Gmsh] Theway to specify the size of the mesh elements?

[David Colignon]

liang dong wrote:
> hi everyone :
>   I have some questions about  gmsh-2.3-windows 
> 
> Gmsh Reference Manual said :
> 
> “There are three ways to specify the size of the mesh elements for a 
> given geometry:
> 
> 1 Mesh.CharacteristicLengthFromPoints , sepcify characteristic lengths 
> at the geometrical pionts which can been found “mesh-- characteristic 
> lengths”
> 
> 2 Mesh.CharacteristicLengthFromCurvature,I can not find this 
> command,where can find in gmsh-2.3-windows?

Hi,

you can activate it in Tools->Options->Mesh->Advanced->"Compute element sizes from curvature"

> 
> 3 specify general characteristic lengths using mesh size “fields”.
> 
> But except this three ways to specify the size of the mesh elements,I 
> find “Tool—options—mesh—general ~~element size factor”can control the 
> size of the mesh elements.
> 
> Can Element size factor can control the size of the mesh elements?How to 
> control the size of the mesh elements?

You should search for the word "CharacteristicLengthFactor" in the full documentation 
http://www.geuz.org/gmsh/doc/texinfo/gmsh-full.html

Cheers,

Dave


> 

-- 
David Colignon, Ph.D.
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