Re: [petsc-users] Reading user generated Cartesian grid into DMXX

2023-04-24 Thread Matthew Knepley
On Mon, Apr 24, 2023 at 7:33 AM 吉兴洲 wrote: > Dear all, > > I'm solving a fluid problem and it has multiple square cylinders in the > flow area. Unfortunately, I have to use a Cartesian grid (nonuniform) which > can't generated by Gmsh. > > I have noticed that the object *DMDA* and *DMFOREST*

[petsc-users] Reading user generated Cartesian grid into DMXX

2023-04-24 Thread 吉兴洲
Dear all, I'm solving a fluid problem and it has multiple square cylinders in the flow area. Unfortunately, I have to use a Cartesian grid (nonuniform) which can't generated by Gmsh. I have noticed that the object *DMDA* and *DMFOREST* typically have there own intrinsic methods such as