Navneet,

What is the error you are observing?

Best,
Daniel

Am Fr., 13. Dez. 2019 um 11:44 Uhr schrieb navneet roshan <
[email protected]>:

> Dear Deal.II community,
>
> I have been using deal.ii for more than a year. I am solving the
> reaction-diffusion problem, I am getting a bizarre runtime error in the
> parallel solver. I am using PETSc CG solver. The error appeared after
> parallelization.  After 3-4 days of debugging, I found the error appears
> only if I am using '*repetition*' 
> (GridGenerator::subdivided_hyper_rectangle(triangulation,repetitions,
> a, b,false)) in the rectangular (GridGenerator::subdivided_hyper_rectangle)
> domain mesh creation. I am attaching a  minimal code showing the
> issue(minimal_diff_code.cc).
>
>      I am calling it bizarre because the code runs perfectly with few
> combinations of *'repetitions' *and Global mesh Refinement numbers, but
> fails with some other combinations. A table(error_Table.pdf) is attached
> showing how the error depends on the number of *repetitions* and 
> *global_refinement,
> *and sometimes also on the number of* processes* used*. *I have tested it
> in deal.ii 8.5.1 and 9.0.0 also.
>
> I will be thankful if someone could look into this.
>
> Thank you
> Navneet
>
>
> --
> The deal.II project is located at http://www.dealii.org/
> For mailing list/forum options, see
> https://groups.google.com/d/forum/dealii?hl=en
> ---
> You received this message because you are subscribed to the Google Groups
> "deal.II User Group" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/dealii/CAK9McD15f4B4e94-pFfdj84HmWAOhe0Btd41Hi0uBAozE4ma9A%40mail.gmail.com
> <https://groups.google.com/d/msgid/dealii/CAK9McD15f4B4e94-pFfdj84HmWAOhe0Btd41Hi0uBAozE4ma9A%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>

-- 
The deal.II project is located at http://www.dealii.org/
For mailing list/forum options, see 
https://groups.google.com/d/forum/dealii?hl=en
--- 
You received this message because you are subscribed to the Google Groups 
"deal.II User Group" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/dealii/CAOYDWbKhrrKQ3GqwiyVuOTAAxSaugAb%3Du0%3DFsFXb8n7M%3DuiBzA%40mail.gmail.com.

Reply via email to