[aspect-devel] convection-box-3d example hangs when more than one node is used

[Timo Heister]

Hey Robert,

sorry for only getting back to this now. Any update on your problem?
Does this happen with every .prm file (like a simple 2d problem)?

On Sun, Jul 5, 2015 at 6:10 PM, Robert Moucha <rmoucha at gmail.com> wrote:
> OK, it appears that I solved last-weeks issue with the files, turns
> out one of the nodes did not have the correct paths (thanks).
>
> However, now I am still having problems when using more than one node,
> this time ASPECT just hangs on time step 1, no error, the
> solution-00000 files are created on each of the nodes than nothing.
>
> It runs fine on a single node. I should point out that the ASPECT
> example stokes.prm as well as Citcoms runs on the cluster without
> issues.
>
> Here is the log.txt for the convection-box-3d.prm -- thanks in advance Rob
>
> -----------------------------------------------------------------------------
> -- This is ASPECT, the Advanced Solver for Problems in Earth's ConvecTion.
> --     . version 1.3
> --     . running in OPTIMIZED mode
> --     . running with 12 MPI processes
> --     . using Trilinos
> -----------------------------------------------------------------------------
>
> Number of active cells: 512 (on 4 levels)
> Number of degrees of freedom: 20381 (14739+729+4913)
>
> *** Timestep 0:  t=0 seconds
>    Solving temperature system... 0 iterations.
>    Rebuilding Stokes preconditioner...
>    Solving Stokes system... 29 iterations.
>
> Number of active cells: 1583 (on 5 levels)
> Number of degrees of freedom: 63622 (46077+2186+15359)
>
> *** Timestep 0:  t=0 seconds
>    Solving temperature system... 0 iterations.
>    Rebuilding Stokes preconditioner...
>    Solving Stokes system... 30+4 iterations.
>
> Number of active cells: 3256 (on 5 levels)
> Number of degrees of freedom: 122269 (88647+4073+29549)
>
> *** Timestep 0:  t=0 seconds
>    Solving temperature system... 0 iterations.
>    Rebuilding Stokes preconditioner...
>    Solving Stokes system... 30+4 iterations.
>
> Number of active cells: 9010 (on 6 levels)
> Number of degrees of freedom: 333145 (241677+10909+80559)
>
> *** Timestep 0:  t=0 seconds
>    Solving temperature system... 0 iterations.
>    Rebuilding Stokes preconditioner...
>    Solving Stokes system... 30+4 iterations.
>
>    Postprocessing:
>      RMS, max velocity:                  57.6 m/s, 176 m/s
>      Temperature min/avg/max:            0 K, 0.5 K, 1 K
>      Heat fluxes through boundary parts: 7.682e-07 W, -7.682e-07 W,
> 1.685e-15 W, 2.362e-15 W, -1 W, 1 W
>      Writing graphical output:
> /state/partition1/RMOUCHA/output/solution-00000
>
> *** Timestep 1:  t=8.87115e-05 seconds
>
>
> ------------------------------------------------------------
> Robert Moucha
> Assistant Professor of Geophysics
> Department of Earth Sciences
> 204 Heroy Geology Lab
> Syracuse University
> Syracuse, NY, 13244-1070
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