Question #248996 on Yade changed: https://answers.launchpad.net/yade/+question/248996
Anton Gladky proposed the following answer: I do not know, what is wrong, here is my data-file. Before iteration 14580 there is no penetration/force, they are both 0.0. Anton ============================================== ============================================== # FnCalculated FnYade PDgeom it1 velZ 0.0528854137881 -0.0 0.0 14577 -0.0352569425254 0.0528927712881 -0.0 0.0 14578 -0.0352618475254 0.0529001287881 -0.0 0.0 14579 -0.0352667525254 0.0529074862881 -0.0 0.0 14580 -0.0352716575254 0.0527418052399 0.0536958685668 0.000157676455738 14581 -0.0346356153075 0.0526552110261 0.0536076956226 0.000330854532275 14582 -0.0340006255765 0.0525545767687 0.0535052266655 0.000500857660158 14583 -0.0333668589786 0.0524401838845 0.0533887482432 0.000667691955051 14584 -0.0327344827395 ... ... ... 0.000843280448325 0.000851162962522 0.00320248714932 14717 0.0101127701989 0.000587246526371 0.000590461193354 0.00315192329833 14718 0.0101149133102 0.000335744255672 0.000334373693617 0.00310134873178 14719 0.0101139996021 8.87675495041e-05 8.28942656184e-05 0.00305077873376 14720 0.0101100840795 -0.000156627052485 -0.0 0.00300022831337 14721 0.0101051790795 -0.000401899029474 -0.0 0.00294970241797 14722 0.0101002740795 -0.000647048381463 -0.0 0.00289920104757 14723 0.0100953690795 -0.000892075108451 -0.0 0.00284872420217 14724 0.0100904640795 Anton 2014-05-21 17:26 GMT+02:00 Andy Torres <[email protected]>: > Question #248996 on Yade changed: > https://answers.launchpad.net/yade/+question/248996 > > Andy Torres posted a new comment: > OK! maybe im missing something here, but I think we almost have it! > >>If you look at the blue line (normal force), it is always 0, when >>there is no penetration. > is that right? if you check the plot you gave me, Fn start growing from iterN > 14520, but the PD is negative until iterN 14600. Shouldn't be start changing > all together? > >>> its posible to see that the force is actually acting over the particle, >>> because the velocity >>> also change before the particles make contact. >>Sure, you have a gravity there. > yes, true, i was not clear here, the Vel under gravity, should be linear, but > in this case is not. > > -- > You received this question notification because you are a member of > yade-users, which is an answer contact for Yade. > > _______________________________________________ > Mailing list: https://launchpad.net/~yade-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~yade-users > More help : https://help.launchpad.net/ListHelp -- You received this question notification because you are a member of yade-users, which is an answer contact for Yade. _______________________________________________ Mailing list: https://launchpad.net/~yade-users Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-users More help : https://help.launchpad.net/ListHelp
