Question #222795 on Yade changed: https://answers.launchpad.net/yade/+question/222795
Jan Stránský posted a new comment: Hi Bruno, most likely I will need such approach also for facets (and it would be very nice feature anyway), so probably I will spend some time on it :-) but not imediatelly, I will let you know when I start (to prevent more people doing the same job). Thanks for the information Jan 2013/2/25 Bruno Chareyre <[email protected]> > Question #222795 on Yade changed: > https://answers.launchpad.net/yade/+question/222795 > > Bruno Chareyre posted a new comment: > Contacts with edge and vertices are mutually exclusive, it is one or the > other depending on the projected sphere's center. > We have a paper under review which explains that in details. I can send > you a draft version if you like, or you can also see the 2D version of it, > which is very similar (*). > > One contact can in fact slide on this edges+vertices structure and go > across different states without loosing the history: > sphere-edge -> sphere-vertex -> sphere-edge -> etc. > > It means that for this specific contact id1 or id2 are changing in time. > Programatically, it is achieved by copying the data of an existing > interaction into a newly created interaction. It needs to carefully > track contacts between spheres and grid elements. > > The same concepts of mutual exclusion and tracking over time should be > applied to a network of facet+edge+vertices to solve the current > problems with facets. It will also open up the possibility of dynamic > surfaces(**) provided the implementation is robust. > > What do you have in mind? Would you spend time on this? > > (*) https://yade-dem.org/w/images/1/1b/Chareyre%26Villard2005_licensed.pdf > (**) https://www.youtube.com/watch?v=YW5IsINjCvw > > -- > 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
