contact geometry meaning in English

切触几何

Abstract : three - dimension wheel - rail contact geometry is taken into account in studying the vibration between bridge and vehicle . the iteration method of wheel - rail creep force is proposed to improve the existed calculating method
文摘:对车桥耦合振动研究中轮轨关系的线性方法进行了改进，提出考虑三维非线性轮轨接触几何，采用迭代法求解法向力和蠕滑系数。
According to different research objectives , four kinds of vehicle dynamic models ( named from model a to model d ) and two types of train dynamic models ( model e and model f ) are established in this thesis . during the modeling process of the vehicle and train systems , nonlinearities arising from wheel / rail contact geometry , wheel / rail interactive forces and suspension characteristics are fully considered . the modeling methods about vestibule diaphragm , coupler and draft gear are introduced , too
本文按照研究目的的不同，建立了4种车辆动力学模型(模型a模型d )和2种列车动力学模型(模型e和模型f ) ，建模过程中尽可能多地考虑了列车(车辆)系统中的各种非线性因素，详细给出了风挡装置、车钩及缓冲器的具体建模方法。