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Old   April 6, 2010, 09:20
Default Error writing transient results in FSI
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Daniel Paukner
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i am trying to run a transient Fluid Structure Interaction on a rocket nosecone geometry consisting of 2 bonded solid bodies of different materials submerged in one fluid domain.
My predecessor got it to run in ANSYS 11 (at least his report says so), but i have to use 12.1 since there are supposed to be several improvements in the multiphysics field.

However, i get an error whenever the solver tries to write its first set of transient results:

| Writing transient file 1_CS_full.trn |
| Name : Transient Results 1 |
| Type : Standard |
| Option : Every Coupling Step |
| ERROR #001100279 has occurred in subroutine ErrAction. |
| Message: |
| Length of variables list is not consistant in parallel. Routine G- |
| ET_VARLST called from routine Write_Soln_Fcs. |

Google doesn't even know this error, and i myself have never encountered it before in any of my other FSI-Simulations (which only use one solid body).

I defined both exposed faces of the nosecone+can as one FSIN and coupled it to the fluid domain.
The Solver is running on a 4-Core XEON machine with 16GB Ram in local MPI.

Does anybody have a clue what this error message tries to tell me?
Is it a setup error or a mpi error?

If you need more info, i am happy to provide.
Thanks for your help,

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Old   April 15, 2010, 06:57
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Daniel Paukner
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Ok, it seems to be a MPI error. When i run the Simulation on 1 core, it works perfectly fine.

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