Re: [petsc-users] examples of using PETSc with spectral methods

2016-11-03 Thread ztdepya...@163.com
I write a spectral collocation method for the solution of NS equations. with a pencil decomposition. - 发送自WPS邮箱 - 在 2016/11/3 08:17, Barry Smith 写道: Is anyone away of cases where PETSc has been used with spectral methods? Thanks Barry

[petsc-users] How to scatter values

2016-10-25 Thread ztdepya...@163.com
Dear professor: I  partitioned my 2D cartesian  grid with  4rows*4cols CPUS.    12  13 14 15      8   9  10  11 4   5  6  7 0   1  2   3        Now i need to scatter the values  belonging to cpu5 to every cpu along

[petsc-users] how to obtain the vector value at the other processor.

2016-05-11 Thread ztdepya...@163.com
Dear professor: i need to access the vector values which are not locted in local cpu. how to obtain them. Regards

[petsc-users] Dose Petsc has DMPlex example

2016-05-02 Thread ztdepya...@163.com
Dear professor: I want to write a parallel 3D CFD code based on unstructred grid, does Petsc has DMPlex examples to start with. Regards