Cluster OpenFOAM [Solved]

falcao · February 18, 2011, 14:02

May be this is your problem!

Usualy the Solver patch is /home/user/openfoam/user-1.7.0/applicatons/solvers/multiphase/bubblefoam

And tutorial patch is usualy

/home/user/openfoam/user-1.7.0/run/tutorials/multiphase/bubblefoam/case

It must be something like this in all machines of cluster.

falcao · February 18, 2011, 14:14

Try to install openfoam from ubuntu pack in all machines. I think it will work.

lordvon · November 7, 2011, 13:04

Will this procedure work if substituting the name properly in OF1.5-dev?

I would try it myself, but I am waiting on my ethernet switch to come in. And I am looking for workarounds if there are issues.

tbsetala · February 15, 2013, 09:26

You Sir saved my day!!!! Thank you very much!!!!!!!!

Yahoo · June 17, 2013, 21:57

Hi
I have been stuck on a problem related to simulation of a solidification problem on multiple processors. The problem is that at the pressure reference cell (pRefCell), I get a very weird behavior. Here is the liquid fraction contour when the simulation is performed on multiple processors.

Untitled.jpg

Similar problem has been reported on:
(1) Poisson eq w setReference works serial diverges in parallel
http://www.cfd-online.com/Forums/ope...-parallel.html

(2) interfoam blows up on parallel run
http://www.cfd-online.com/Forums/ope...allel-run.html

(3) temperature anomaly at pressure reference cell
http://www.cfd-online.com/Forums/ope...ence-cell.html
What has been suggested in these posts is: (1) using GAMG solver instead of PCG as the pressure solver on parallel run, and (2) adjusting the fluxes after including the buoyancy term. I have applied both of the comments, although the second comment does not make a full sense for me, but still have the problem.
Please let me know if you have any comments.

November 7, 2011, 13:04	Will it work in 1.5-dev?	#23
lordvon Senior Member Robert Join Date: Sep 2010 Posts: 158 Rep Power: 16	Will this procedure work if substituting the name properly in OF1.5-dev? I would try it myself, but I am waiting on my ethernet switch to come in. And I am looking for workarounds if there are issues.

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February 18, 2011, 14:02		#21
falcao New Member Join Date: Feb 2010 Posts: 13 Rep Power: 16	May be this is your problem! Usualy the Solver patch is /home/user/openfoam/user-1.7.0/applicatons/solvers/multiphase/bubblefoam And tutorial patch is usualy /home/user/openfoam/user-1.7.0/run/tutorials/multiphase/bubblefoam/case It must be something like this in all machines of cluster.

February 18, 2011, 14:14		#22
falcao New Member Join Date: Feb 2010 Posts: 13 Rep Power: 16	Try to install openfoam from ubuntu pack in all machines. I think it will work.

February 15, 2013, 09:26		#24
tbsetala New Member Thiago Bassan Setala Join Date: Feb 2013 Posts: 1 Rep Power: 0	You Sir saved my day!!!! Thank you very much!!!!!!!!

June 17, 2013, 21:57		#25
Yahoo New Member Join Date: Apr 2012 Posts: 21 Rep Power: 14	Hi I have been stuck on a problem related to simulation of a solidification problem on multiple processors. The problem is that at the pressure reference cell (pRefCell), I get a very weird behavior. Here is the liquid fraction contour when the simulation is performed on multiple processors. Untitled.jpg Similar problem has been reported on: (1) Poisson eq w setReference works serial diverges in parallel http://www.cfd-online.com/Forums/ope...-parallel.html (2) interfoam blows up on parallel run http://www.cfd-online.com/Forums/ope...allel-run.html (3) temperature anomaly at pressure reference cell http://www.cfd-online.com/Forums/ope...ence-cell.html What has been suggested in these posts is: (1) using GAMG solver instead of PCG as the pressure solver on parallel run, and (2) adjusting the fluxes after including the buoyancy term. I have applied both of the comments, although the second comment does not make a full sense for me, but still have the problem. Please let me know if you have any comments.