Question #690104 on Yade changed: https://answers.launchpad.net/yade/+question/690104
Status: Open => Answered Jan Stránský proposed the following answer: > friction_force_cal = sum(O.forces.f(b) for b in cylinderIDS) > torque_cal = sum(O.forces.t(b) for b in cylinderIDS) python sum takes an initial value (default is 0, but does not work with vectors), so you can do: ### friction_force_cal = sum((O.forces.f(b) for b in cylinderIDS), Vector3.Zero) torque_cal = sum((O.forces.t(b) for b in cylinderIDS), Vector3.Zero) ### if you sum torques "manually", do not forget to take into account forces on bodies, otherwise it is different computation than utils.sumTorques [1] cheers Jan [1] https://gitlab.com/yade-dev/trunk/-/blob/master/py/_utils.cpp#L207 -- 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 : yade-users@lists.launchpad.net Unsubscribe : https://launchpad.net/~yade-users More help : https://help.launchpad.net/ListHelp