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[Paola <question263564@xxxxxxxxxxxxxxxxxxxxx>]

New question #263564 on Yade:
https://answers.launchpad.net/yade/+question/263564

Hi all!

I have recently installed Ubuntu 14.04 on my laptop and followed the instructions to install yade. My scritp is simulating an avalanche with the ParticleFlowEngine. At first the sample is compacted (that works well) and after an inclined gravity is imposed and the particles should start to move and I am able to calculate all the stresses, pore pressure and volumefractions.  I have run my script, which was running smoothling with Ubuntu 12.04 and yadedaily, and I received the following error:

Welcome to Yade 1.12.0-104-dd1f842~trusty 
TCP python prompt on localhost:9000, auth cookie `kssycu'
XMLRPC info provider on http://localhost:21000
Running script avalanches.py
CompactionDone
Set up complete
2.69457103478
[[ ^L clears screen, ^U kills line. F12 controller, F11 3d view (use h-key for showing help), F10 both, F9 generator, F8 plot. ]]

Yade [1]: periodicity is broken
617 0 854 790  vs. 1 31 323 614 
periodicity is broken
617 0 854 790  vs. 1 31 323 614 
periodicity is broken
617 0 854 790  vs. 1 31 323 614 
periodicity is broken
617 0 854 790  vs. 1 31 323 614 
periodicity is broken
451 0 313 183  vs. 870 431 1 628 
periodicity is broken
451 0 313 183  vs. 870 431 1 628 
....
periodicity is broken
274 0 910 191  vs. 1 172 668 213 
periodicity is broken
274 0 910 191  vs. 1 172 668 213 
periodicity is broken
274 0 910 191  vs. 1 172 668 213 
periodicity is broken
910 0 617 929  vs. 1 576 341 114 
periodicity is broken
910 0 617 929  vs. 1 576 341 114 
periodicity is broken
910 0 617 929  vs. 1 576 341 114 
periodicity is broken
910 0 617 929  vs. 1 576 341 114 
*** Error in `/usr/bin/python': double free or corruption (!prev): 0x00007f78b34e4e60 ***
Aborted (core dumped)

I am using the PeriodicFlowEngine and I believe there is something that is going wrong there, but I don-t understand what it is. Basically after the first part that says Set up complete, there are these lines of periodicity is broken that come up very fast and after a couple of second the program is aborted.

Do you have any idea?

Thank you

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