[Gmsh] Load a partial mesh into Gmsh

[Tibi Chelcea]

Hi Geordie,

Thank you for your answer. Figured that background meshes are not quite what
I need after looking at some examples. Maybe there's a way to do what I need
from the API, with a bit of coding. Is there a document about Gmsh's API?

Tibi
On Jul 13, 2011 7:50 PM, "Geordie McBain" <gdmcbain at freeshell.org> wrote:
> 2011/7/14 Tibi Chelcea <tibich72 at gmail.com>:
>> I'm working on a system that simulates a family of components; these
>> components are fixed (as in modeled once, and then re-used again and
again),
>> but the heatsinks attached to them are user-defined. Gmsh takes a long
time
>> to mesh this system, so I'd like to cut down the time used for meshing. I
>> was wondering whether it's possible to use Gmsh as follows:
>> - Pre-mesh each of the components and save these meshes
>> - Then, when meshing the entire system (a component + an user-defined
>> heatsink), Gmsh loads the mesh for the component, and meshes only the
>> heatsink.
>> Is this possible to do? I've seen some mentioning of "background mesh" in
>> the documentation, but there is very little on that, and it's not clear
>> whether it does what I'd like or how to define it.
>> Any hint/help is really appreciated.
>
> I don't know the answer to your question, though it does sound like a
> useful thing to be able to do.
>
> But I can tell you that background meshes aren't relevant, they're for
> creating nonuniformity, i.e. having the element size vary from place
> to place. See
>
> http://geuz.org/gmsh/doc/texinfo/gmsh.html#Specifying-mesh-element-sizes
>
> for the documentation and Tutorial 7 for an example
>
> http://geuz.org/gmsh/doc/texinfo/gmsh.html#t7_002egeo
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