Convergence for p not reached in parallel simulation

[Vignesh T G]

Dear Basilisk users,

I am trying to simulate the retraction of a cylindrical filament under axisymmetric condition. The script attached herewith, runs perfectly well in serial. But it shows error when run in parallel. The error is "Convergence for p not reached after 100 iterations"

I tried increasing the iterations (NITERMAX), decreasing the tolerance (TOLERANCE) and CFL number. I even tried switching off the adaptive mesh refinement. Despite this, the code shows the same error in parallel.

Please suggest a solution to overcome this problem.

Thanks and Regards

Vignesh T.G.

[Shyam Sunder Yadav]

Dear Vignesh

I compiled with OpenMP, it's working fine in my machine.

Are you using MPI?

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Dr. Shyam Sunder Yadav
Associate Professor
Mechanical Engineering
BITS Pilani
09902346342
http://www.bits-pilani.ac.in/pilani/ssyadav/Profile

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[Vignesh T G]

Dear Shyam,

Yes, I am using the MPI commands "CC99='mpicc -std=c99' qcc -Wall -O2 -D_MPI=1 example.c -o example -lm" to compile and "mpirun -np 2 ./example" to run the simulation




Thanks

Vignesh T.G.