[petsc-users] On PCFIELDSPLIT and its implementation

[Matthew Knepley]

On Wed, Nov 9, 2022 at 9:05 AM Edoardo alinovi <edoardo.alinovi at gmail.com>
wrote:

> So my cavity has 3x3=9 cells, each cells as a 3x3 block. I get the same
> error: [0]PETSC ERROR: Local column sizes 6 do not add up to total number
> of columns 9
>
> However I do not define any IS, I just pass an array
> to PCFieldSplitSetFields() and thus I do not know how to plot them...
>

Okay, just send in the small example and I will figure out why you are
getting this.

  Thanks,

     Matt

-- 
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/ <http://www.cse.buffalo.edu/~knepley/>
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