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Message #00054
Re: randomness in the results!
Janek Kozicki a écrit :
>Bruno Chareyre said: (by the date of Fri, 24 Nov 2006 15:44:34 +0100)
>
>
>
>>I'm in front of a simple case with 3 spheres that fall due to gravity
>>and impact a 4th sphere.
>>When I keep runing-stopping-running... I see that the trajectories are
>>not always the same - meaning that same initial values give different
>>results...
>>Do you have an idea of where such randomness could come from?
>>
>>
>
>for start you can compile with -g and run under valgrind with nullgui.
>Do you get any errors?
>
>
>
Ok, I found the error, some contact forces were left undefined due to an
error in the code from Luc Scholtes. Now, all runs give the same result.
Valgrind could have detected this right?
Bruno
--
_______________
Chareyre Bruno
Maître de conférence
Institut National Polytechnique de Grenoble
Laboratoire 3S (Soils Solids Structures) - bureau I08
BP 53 - 38041, Grenoble cedex 9 - France
Tél : 04.56.52.86.21
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