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Node 0: Process xxxx: Received signal SIGSEGV |
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January 20, 2014, 07:24
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Node 0: Process xxxx: Received signal SIGSEGV
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#1 |
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New Member
Joakim M. Johansen
Join Date: Apr 2013
Location: Denmark
Posts: 17
Rep Power: 13  |
Hi all,
I have just upgraded from R14.5.7 to R15.0. When I'm running simulations that previously were running fine in the old version, I am now receiving this message: Node 0: Process xxxx: Received signal SIGSEGV (xxxx) being different from run to run. directly followed by: MPI Application rank 1 exited before MPI_Finalize() with status 2 The fl process could not be started. Any ideas? Best regards, Joakim |
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January 28, 2014, 21:42
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#2 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
I have exactly the same problem. Did you manage to solve this?
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January 29, 2014, 02:48
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#3 |
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Senior Member
Paritosh Vasava
Join Date: Oct 2012
Location: Lappeenranta, Finland
Posts: 732
Rep Power: 22 |
Do both the versions have parallel capabilities?
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January 29, 2014, 05:09
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solved
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#4 |
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New Member
Joakim M. Johansen
Join Date: Apr 2013
Location: Denmark
Posts: 17
Rep Power: 13 |
You need to install the version of MPI for Ansys 15.0. See C:\Program Files\ANSYS Inc\v150\commonfiles\MPI\Platform\Windows\9.1\INST ALL_Platform-MPI_README.docx
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February 17, 2014, 03:18
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#5 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
This error went away for me when I disabled DPM physical models, then re-enabled them.
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February 19, 2014, 06:23
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#6 | |
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New Member
Joakim M. Johansen
Join Date: Apr 2013
Location: Denmark
Posts: 17
Rep Power: 13 |
Quote:
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February 19, 2014, 20:16
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#7 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
For me I had Particle radiation and thermophoretic force selected in the physical models tab. I disabled these and then ran the DPM one time using the Particle track results. Then I turned them back on and the error went away.
After clicking save the error seemed to come back. So after a bit of experimentation I found it only happened when i had thermophoretic force selected. Fortunately this wasn't essential so I'm not using this one anymore and it works fine now. |
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February 20, 2014, 04:44
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#8 |
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New Member
Joakim M. Johansen
Join Date: Apr 2013
Location: Denmark
Posts: 17
Rep Power: 13 |
Great, just de-selecting the thermophoretic force works. Thanks a lot, I will write Ansys a ticket.
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February 28, 2014, 06:45
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#9 |
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New Member
Joakim M. Johansen
Join Date: Apr 2013
Location: Denmark
Posts: 17
Rep Power: 13 |
ANSYS replies:
"This appears to be a bug in the software. It has been logged for fixing in the next release As a workaround you can switch to polynomial formulation instead of Talbot, then it works fine." |
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March 4, 2014, 01:24
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#10 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
Thanks for the update!
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September 4, 2014, 10:48
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#11 |
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Senior Member
B_Kia
Join Date: May 2014
Location: Ir
Posts: 123
Rep Power: 11 |
Hi all, could any one here solve this problem ? i need it quick
 ((
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September 4, 2014, 12:05
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#12 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
Is this related to using the thermophoresis model? Which version of Fluent are you using? If it's 15.0, have you tried installing the 15.0.7 update?
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September 4, 2014, 15:04
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#13 |
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Senior Member
B_Kia
Join Date: May 2014
Location: Ir
Posts: 123
Rep Power: 11 |
Hi anthony05 ; i am using DPM+VOF and just drag force is activated , i don't know about "thermophoresis model''
( I'm using 15.0.0 , i think i should try the update , i wish it works , how did you solve your own problem , was it the same as mine ? thank for reply
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September 4, 2014, 21:16
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#14 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
I found what the problem was by turning off models one by one until the problem disappeared.
Thermophoresis is part of the Dpm model and is found under Discrete Phase>Physical models> Thermophoretic force I haven't installed the 15.0.7 update so I'm not sure if this fixes it. |
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September 5, 2014, 01:05
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#15 |
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Senior Member
B_Kia
Join Date: May 2014
Location: Ir
Posts: 123
Rep Power: 11 |
I wrote a udf to account for breakup and coalescence in bubble plume modelling , the macro is : ''DEFINE_EXECUTE_AT_END(Remove_and_write_to_file)' ' in udf the calculation on dpm is done and at the end i want to write data on a text file (data about position and mass of particles) , i used ''udm'' in code to save data during calculation and i wrote my code for parallel proccesing(the transferring data betweeon cores is considered) , but at the end of first time step fluent stops and this error occurs , i am running my model on my lap top lenovo z500 corei7 , in one forum i read this happend because cores can not find eachother , i don't know where this error come from and how to solve :
Node 0: Process 4632: Received signal SIGSEGV. ================================================== ============================ ================================================== ============================ Node 1: Process 4996: Received signal SIGSEGV. ================================================== ============================ ================================================== ============================ Node 2: Process 1220: Received signal SIGSEGV. ================================================== ============================ ================================================== ============================ Node 3: Process 1340: Received signal SIGSEGV. ================================================== ============================ MPI Application rank 0 exited before MPI_Finalize() with status 2 The fl process could not be started. According to quote #4 i installed : the version of MPI for Ansys 15.0. See C:\Program Files\ANSYS Inc\v150\commonfiles\MPI\Platform\Windows\9.1\INST ALL_Platform-MPI_README.docx but it does not work either |
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September 5, 2014, 03:17
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#16 |
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New Member
Anthony
Join Date: Jul 2013
Posts: 15
Rep Power: 12 |
It sound's like it is unrelated to the problem I was having. I'm not to familiar with parallel UDFs. Perhaps it would be better to post this in a new thread in the Fluent UDF sub-forum.
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September 5, 2014, 07:59
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#17 |
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Senior Member
Cees Haringa
Join Date: May 2013
Location: Delft
Posts: 607
Rep Power: 0 |
Did you initialize the UDM under user-defined?
Errors like this are typically a result of wrong memory management, for example writing to a variable that has not been allocated. |
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February 11, 2015, 12:40
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#18 | |
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Senior Member
Join Date: May 2011
Posts: 231
Rep Power: 15 |
hi ,
I have the same problem... Did you solve the problem? thanks! Kind regards, Quote:
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February 11, 2015, 16:13
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#19 |
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Senior Member
B_Kia
Join Date: May 2014
Location: Ir
Posts: 123
Rep Power: 11 |
hi, do you have udf in your modelling ?
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February 11, 2015, 16:42
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#20 | |
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Senior Member
Join Date: May 2011
Posts: 231
Rep Power: 15 |
thanks for the answer...yes I have... But I compiled it with R15 again.
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| Tags |
| fluent, r15.0, upgrade |
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