A kind of dynamic wheel-trackcontact element is designed by the technology of ANSYS User Program Features.
利用ANSYS用户可编程接口技术，设计了一种轮轨动力接触单元。
2
If you drop something into the track, please contact the station staff.
如果您有东西掉下轨道，请与车站工作人员联系。
3
The key to Silent Feet is slowly and simultaneously to contact the wall’s vertical plane and the foothold’s horizontal aspect — so visually track the movement.