In view of the longitudinal dynamic problems of high-speed and big load trains in braking, the longitudinal dynamic model is set up and the solution method for the model is described.
针对制动情况下高速重载列车的纵向动力学问题，建立了纵向动力学模型，介绍了求解该模型的方法。
The low strain longitudinal dynamic model of anchor bars-surrounding rock system under impulse force is established. The model is essential to nondestructive detection of anchorage system quality.
建立锚杆–围岩结构系统低应变纵向动力响应的数学力学模型，为研究锚杆结构系统的无损探伤原理及方法提供理论依据。
The mathematical model of longitudinal vibration bars is directly used for the dynamic analysis of helical springs.
直接把均匀杆纵向振动的数学模型用于弹簧的动力分析。
应用推荐