← Back to team overview

yade-users team mailing list archive

Re: Rotation without friction in discrete model ?


Problem is I've no big time for this at the moment.
Lionel : can you look into a saved xml and see if the shear component of 
contact forces are 0?
Then, come in my office, i'll have 5min :).


Janek Kozicki a écrit :

>Lionel Favier said:     (by the date of Tue, 07 Nov 2006 11:46:55 +0100)
>>I'm currently using the Elastic Contact Law for my discrete model of a 
>>flow down an inclined plane, and I noticed a surprising thing.
>>When I use 0 as a value for the friction angle, I observe that the 
>>angular velocity of one element after contact with another element is 
>>not equal to 0 (The initial angular velocity is equal to 0).
>>So the obtained value of the angular velocity is negligible, but it's 
>>not equal to zero whereas it should be because there is no shear force 
>>in that case.
>>Do you know where is this coming from ?
>Bruno, can you look at that? I'll be able to check it on friday, not quicker.
>Lioner, please just check if the boxes have zero friction angle too
>(not only spheres).

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 :

Yade-users mailing list