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Forum: OpenFOAM Running, Solving & CFD

May 13, 2016, 03:01

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Hi anishtain4 thanks for the reply, NRM means...

Hi anishtain4 thanks for the reply,
NRM means that the nodes are automatically assigned to the job, hence you don't have to specify specific nodes.
The job starts correctly if I don't specify the...

Forum: OpenFOAM Running, Solving & CFD

May 11, 2016, 11:55

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Thanks! I have now added the string to...

Thanks!
I have now added the string to foamExec.
However when I run using qsub with the file startjob.pbs:

#!/bin/bash -l
#PBS -N AOC_OF_14_M4
#PBS -S /bin/bash
#PBS -l nodes=2:ppn=16
#PBS...

Forum: OpenFOAM Running, Solving & CFD

May 10, 2016, 10:11

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Hi anishtain4, yes, using pbs it works only if I...

Hi anishtain4, yes, using pbs it works only if I sent the job in a node (not more that one).
Here is the setting of the pbs files:

If I send the job from the frontend to 1 node it works:...

Forum: OpenFOAM Running, Solving & CFD

May 10, 2016, 08:46

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Hi, I have written the modifications you...

Hi, I have written the modifications you suggested.
Now using the source in bashrc (source /home/whiteW/OpenFOAM/OpenFOAM-2.3.0/etc/bashrc) and the modifications in foamExec and prefs.sh

Error:...

Forum: OpenFOAM Running, Solving & CFD

May 6, 2016, 04:23

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Hi banji. To write the output in a file you have...

Hi banji. To write the output in a file you have to run:

mpirun -np 4 pisoFoamIPM -parallel >logfile.txt[ Moderator note: this part of the text was copied to here:...

Forum: OpenFOAM Running, Solving & CFD

May 4, 2016, 03:24

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Thanks for the explanation! I have run the...

Thanks for the explanation!
I have run the correct command and now the error is written in the logfile; however it reports the same error:

[node7:21261] Error: unknown option "--tree-spawn"...

Forum: OpenFOAM Running, Solving & CFD

May 2, 2016, 06:37

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Thanks for the help Bruno, I have added the path...

Thanks for the help Bruno, I have added the path to foamExec in the comand, however it doesn't work.

When I run the startjob (qsub startjob.pbs) with inside the comand:

mpirun --hostfile...

Forum: OpenFOAM Running, Solving & CFD

May 1, 2016, 05:35

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Hi, Has nobody tried to set OF to run on 2 or...

Hi,
Has nobody tried to set OF to run on 2 or more nodes?
Thanks,
WhiteW

Forum: OpenFOAM Running, Solving & CFD

April 22, 2016, 11:22

Replies: 16

Run OpenFoam in 2 nodes of a cluster

Views: 8,521

Posted By WhiteW

Run OpenFoam in 2 nodes of a cluster

Hi I'm trying to set and run a simulation of OpenFoam in a cluster (2nodes 16cores per node).
I'm using qsub and a pbs script. However if I don't specify a host file it runs 32 thread in the first...

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