[petsc-users] How to produce a coarser mesh for a given 2d or 3d unstructured mesh

[Jed Brown]

This is a big topic. One is node-nested re-triangularization, popular in
finite element methods. There is some experimental code for this in PCGAMG,
but it's not production code and due for a refactor. Another is element
agglomeration, which is more popular with finite volume methods (and
generally for problems where conservation is paramount).


On Tue, Jan 22, 2013 at 11:16 AM, Fande Kong <fd.kong at siat.ac.cn> wrote:

> Hi all,
>
> Are there any popular methods or algorithms which can be used to produce a
> coarser mesh for a given 2d or 3d unstructured mesh?
>
> --
> Fande Kong
> ShenZhen Institutes of Advanced Technology
> Chinese Academy of Sciences
>
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