[petsc-users] Good recommendation on meshing package?

[Zou, Ling]

Matt, thanks for your input.
This is very helpful.

Ling

On Fri, Oct 13, 2017 at 8:13 AM, Matthew Knepley <knepley at gmail.com> wrote:

> On Fri, Sep 29, 2017 at 11:06 AM, Zou, Ling <ling.zou at inl.gov> wrote:
>
>> Hi all,
>>
>> I know this is a bit off topic on PETSc email list.
>> I would like to try some finite volume type of CFD algorithm with PETSc,
>> but I found it quite troublesome to manage mesh by myself.
>> I wonder if there is any good existing meshing package that works well
>> with PTESc.
>>
>
> It possible you could use the DMPlex support in PETSc.
>
>
>> My expectation on such a package would be:
>> 1) I create the mesh with some tool.
>>
>
> We support at least GMsh, ExodusII, PLY, Triangle, and TetGen.
>
>
>> 2) Read this mesh with the meshing package, so I have things like node
>> set, edge set, cell set, etc. to play with
>> 3) discretize my PDE with the mesh
>> 4) solve it
>>
>> I also understand many people here use PETSc solve their CFD problem.
>> I would appreciate it if you could also point me to some good examples.
>>
>
> There are a bunch of tests, like src/dm/impls/plex/examples/tests/ex1
> which reads in a mesh and views it, and also
> some examples of solving PDEs, all elliptic, such as SNES ex12, ex62, and
> ex77 and TS ex45, ex46, and ex47.
>
>   Thanks,
>
>      Matt
>
>
>> Best,
>>
>> Ling
>>
>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
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