Question #680868 on Yade changed: https://answers.launchpad.net/yade/+question/680868
Chareyre proposed the following answer: In the code above it should be O.forces.f(i.id1), the «i.» was missing. Same for id2. B. Le jeu. 16 mai 2019 15:22, Bruno Chareyre < [email protected]> a écrit : > Question #680868 on Yade changed: > https://answers.launchpad.net/yade/+question/680868 > > Bruno Chareyre proposed the following answer: > The question and answer #1 are misleading on some aspects in my opinion. > For the record: > > > the direction is not sure[1] > > The direction _is_ sure. Simply there is no reason to access interactions > by ids. > The normal force (a vector) is exerted on id2. An opposite force is > exerted on id1. > Same for shear force. > Hence for resultant forces on all bodies you can do simply: > > for i in O.interactions: > force[id2]+= i.phys.normalForce > force[id1]-= i.phys.normalForce > > > > O.force.f() can get the resultant contact force of sphere? > > Yes, absolutely. > ** even if Newton::gravity is not zero ** > Weight is not included in O.forces. > > Bruno > > -- > You received this question notification because your team yade-users 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 your team yade-users 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
