[aspect-devel] Problems running Aspect

Wolfgang Bangerth bangerth at math.tamu.edu
Wed May 16 05:19:11 PDT 2012


Hi Ian,
was this problem ever resolved?
Best
  W.

On 05/02/2012 08:13 PM, Ian Rose wrote:
> Hi Timo,
>
> 1) I am using Trilinos 10.4.2
> 2) I am using the unedited box.prm
> 3) I have tried it with 32, 16, 8, and 4 processors
> 4)  Here is an output with box.prm on 4 processors.  This one does not
> make it for any time steps...
>
>
> Number of active cells: 256 (on 5 levels)
> Number of degrees of freedom: 3,556 (2,178+289+1,089)
>
> *** Timestep 0:  t=0 seconds
>     Solving temperature system... 13 iterations.
>     Rebuilding Stokes preconditioner...
>     Solving Stokes system...
>
> +---------------------------------------------+------------+------------+
> | Total wallclock time elapsed since start    |      25.4s |            |
> |                                             |            |            |
> | Section                         | no. calls |  wall time | % of total |
> +---------------------------------+-----------+------------+------------+
> | Assemble Stokes system          |         1 |     0.497s |         2% |
> | Assemble temperature system     |         1 |      1.13s |       4.4% |
> | Build Stokes preconditioner     |         1 |     0.475s |       1.9% |
> | Build temperature preconditioner|         1 |    0.0998s |      0.39% |
> | Solve Stokes system             |         1 |      22.1s |        87% |
> | Solve temperature system        |         1 |    0.0207s |     0.082% |
> | Setup dof systems               |         1 |     0.648s |       2.6% |
> +---------------------------------+-----------+------------+------------+
>
>
> ----------------------------------------------------
> Exception on processing:
> Iterative method reported convergence failure in step 2467 with residual
> 5.68
> Aborting!

------------------------------------------------------------------------
Wolfgang Bangerth               email:            bangerth at math.tamu.edu
                                 www: http://www.math.tamu.edu/~bangerth/



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