search

jessr92 / LES-WRF-MPI

Exploring coupling the distributed Large Eddy Simulation and Weather Research and Forecasting model
4 stars 3 forks source link

Have optional exact corner code #15

Closed jessr92 closed 9 years ago

jessr92 commented 9 years ago

MPI_ISend/MPI_IRecv between processes to send the exact corner values to see its affect on #2

jessr92 commented 9 years ago

Alternatively, as suggested by Wim, the original LES code is modified to use the same corner calculation code to see if it affects the normal LES code's convergence.

jessr92 commented 9 years ago

Added corner estimation code for normal LES.

Ran on corner estimation 37x37x90 example - non-convergence at 7621. Ran on unmodified 37x37x90 example - non-convergence at 6861. Ran on Wim's copy 37x37x90 example - non-convergence at 6841.

Ran on corner estimation 25x25x90 example - converges for all 20000 time steps. Ran on unmodified 25x25x90 example - converges for all 20000 time steps. Ran on Wim's copy 25x25x90 example - converges for all 20000 time steps.

jessr92 commented 9 years ago 
Ran on unmodified 37x37x90 example - non-convergence at 6861.
Ran on Wim's copy 37x37x90 example - non-convergence at 6841.

is confusing given behaviour should be the same and so will be investigated.

Given that the optional code exists, I am closing this issue.