[petsc-users] tensor-product mesh

[Jed Brown]

You could use DMDA but would need to write some dummy equations for all
the points replicated in the center, and that might slow your solver.

Mohammad Hassan Baghaei <mhbaghaei at mail.sjtu.edu.cn> writes:

> Hi
>
> I am going to solve the PDEs on a domain of a circle, which I need to use
> the polar coordinates. As dm is supposed for Cartesian coordinate system. Is
> it possible to define a new coordinate system in that or I need to use
> dmplex for that. Thanks for your great time answering me.