[petsc-users] About case ksp/tutorial/ex36.cxx

[Matthew Knepley]

On Tue, May 9, 2023 at 3:12 PM neil liu <liufield at gmail.com> wrote:

> Hello, Petsc Developers,
> I am trying to compile ksp/tutorial/ex36.cxx like make ex36,
>
> it shows an error
> " Documents/petsc-3.19.1/include/petscdmmoab.h:10:10: fatal error:
> moab/Core.hpp: No such file or directory
>  #include <moab/Core.hpp> /*I      "moab/Core.hpp"    I*/
>           ^~~~~~~~~~~~~~~
> compilation terminated.  "
>
> Did I miss something?
>

The example only works if you install Moab first.


> In addition, I tried to know how to use DMAddboundary. It seems all the
> examples for DMAddboundary are related to a PetscFE object. Does that mean
> DMAddboundary can only be used with  PetscFE?
>

Yes, that is true.

   Thanks,

     Matt


> Thanks,
>
> Xiaodong
>


-- 
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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