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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: arnaud6

Forum: OpenFOAM Running, Solving & CFD March 25, 2016, 05:03

Replies: 27 Parallel Performance of Large Case Views: 8,020 Posted By arnaud6 Sorry for getting back so late on this one. The... Sorry for getting back so late on this one. The problem was mpirun 1.6.5. As soon as I switched to mpirun 1.8.3, the slowness disappeared !

Forum: OpenFOAM Running, Solving & CFD February 26, 2015, 05:15

Replies: 27 Parallel Performance of Large Case Views: 8,020 Posted By arnaud6 Hi Bruno, Thanks for your ideas ! I am... Hi Bruno, Thanks for your ideas ! I am looking at the PCG solvers. Would you advice to use the combination PCG for p and PBiCG for other variables or using PCG for p and keep other variables...

Forum: OpenFOAM Running, Solving & CFD February 18, 2015, 05:09

Replies: 27 Parallel Performance of Large Case Views: 8,020 Posted By arnaud6 Hello, So I have tried the rebumberMesh... Hello, So I have tried the rebumberMesh before solving and it looks like it has improved a bit the performances of both single and multiple switches, reducing the running time by ~10%. But I...

Forum: OpenFOAM Running, Solving & CFD February 13, 2015, 09:39

Replies: 27 Parallel Performance of Large Case Views: 8,020 Posted By arnaud6 Ah that's really interesting, I will give a try... Ah that's really interesting, I will give a try with an ethernet connection instead of IB so. Andrea, did you notice different running times when running on nodes on a single switch ?

Forum: OpenFOAM Running, Solving & CFD February 12, 2015, 13:28

Replies: 27 Parallel Performance of Large Case Views: 8,020 Posted By arnaud6 Hello all! I have recently come up with... Hello all! I have recently come up with some issues regarding parallel jobs. I am running potentialFoam and simpleFoam on several cluster nodes. I am experiencing really different running times...

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