Question #227868 on Yade changed: https://answers.launchpad.net/yade/+question/227868
ceguo posted a new comment: Hi liucheng83, To my understanding, rolling resistance = bending resistance + twisting resistance (in 2d, only bending resistance). You can imagine a surface contact (not point contact) in reality, there exist not only bending moment but torque as well. So a complete picture of the model should have Kb for bending stiffness and Ktw for twisting stiffness. For irregular shape particles, should be more complicate, e.g. different Kb in two tangential directions. Any way, many people also use Kb=Ktw for simplicity. You can also check source code to see how the model is implemented. Ning -- 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

