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Forum: OpenFOAM Running, Solving & CFD

October 31, 2013, 12:24

Replies: 8

OpenFOAM is just using 2GB RAM?

Views: 1,530

Posted By Kaskade

Yes, "preservePatches" is what I meant. What...

Yes, "preservePatches" is what I meant.

What command do you use to run the simulation? Is the correct number of cores being used?

Forum: OpenFOAM Running, Solving & CFD

October 31, 2013, 12:09

Replies: 8

OpenFOAM is just using 2GB RAM?

Views: 1,530

Posted By Kaskade

I don't know the name of the setting of the back...

I don't know the name of the setting of the back of my head, but you need to mention the cyclic patches in the decomposeParDict. Otherwise the patches are separated and the amount of communication...

Forum: OpenFOAM Running, Solving & CFD

October 29, 2013, 14:11

Replies: 8

OpenFOAM is just using 2GB RAM?

Views: 1,530

Posted By Kaskade

OpenFOAM can use MRF in parallel. But don't...

OpenFOAM can use MRF in parallel. But don't forget to add the AMIs to the nonRotatingPatches, otherwise it won't converge.

64bit Linux is faster than 32 bit Linux by the way. Just in case you...

Forum: OpenFOAM Running, Solving & CFD

October 29, 2013, 04:02

Replies: 8

OpenFOAM is just using 2GB RAM?

Views: 1,530

Posted By Kaskade

How many meshes have you tried? Apart from some...

How many meshes have you tried? Apart from some overhead running in parallel doesn't need more RAM. Maybe your mesh is just that small/coarse.

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