about Unstructured Meshes

[Niriedith Karina]

oka oka...
thaks
but... i don't understand very well....
what can i do with petsc and the unstructured mesh support? because you say
that petsc does not make meshes so what it's new about the meshes in petsc ?

i'm sorry but i'm very new in this area...

thaks again...

On 2/23/07, Matthew Knepley <knepley at gmail.com> wrote:
>
> On 2/23/07, Niriedith Karina <niriedith at gmail.com> wrote:
> > Hi !!
> >
> > I'm new here...and i'm new a petsc user.. :P
> > I want to know if petsc has support for meshes...
> > I was reading about that and i need create a mesh but all the software
> that
> > i see are comercial ...so I use petsc for linear solver and matrices so
> if
> > petsc create meshes it would be but easy for me  .. so..
> > help me ! :D
>
> 1) PETSc does not make meshes, but there are good free meshing packages,
>     Triangle in 2D and TetGen in 3D.
>
> 2) The unstructured mesh support in PETSc is very new, and at this point
> is
>     probably only usable by expert programmers. If you feel up to it,
> take a look
>     at the examples in src/dm/mesh/examples/tutorials. Otherwise, you can
> use
>     the packages above and manage the construction of Mats and Vecs
> yourself.
>
>   Thanks,
>
>     Matt
>
> > Thanks anyway...
>
>
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