| 1. | Effects of rail gap on wheel - rail contact stresses
钢轨接头轨缝对轮轨接触应力的影响 |
| 2. | Numerical analysis of locomotive and vehicle wheel - rail contact problems
机车车辆轮轨接触问题的数值模拟 |
| 3. | Iterative methods are developed to calculate the geometric relationship and interaction force between wheel and rail
建立了轮轨接触几何和轮轨接触力的迭代算法。 |
| 4. | And the constitutive model for the plasticity and damage description is further derived based on the hill ' s self - consistent scheme
对bs11在典型轮轨接触摩擦应力状态下的响应特性与损伤进行了分析。 |
| 5. | Railway transportation belongs to transportation that wheel and rail touch each other . it is different from other ways of transportations in the mutual effect of wheel and rail
铁路运输属于轮轨接触运输，它区别于其它运输方式的特点是轮轨的相互作用。 |
| 6. | 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。 |
| 7. | In the dynamic system of track and interaction between the vehicle and track , it is convenient to consider six sub - systems : the vehicle , wheel / rail contact and representation of excitation , the rail , the fastening system , the sleeper , the sleeper support ( including ballast and substrate )
轨道及车辆与轨道系统可以分为车辆、轮轨接触面及其激振、轨道、扣件系统、枕木及枕木支撑(道渣道床)等六个子系统组成。 |
| 8. | At the same time , using remington ' s wheel - rail interaction model , calculate the interaction force between the wheel and rail and the input power of each subsystem . evaluate the mode count , damping loss factor and coupling loss factor . according the fundamental of the acoustics , predict the wheel - rail noise
同时利用remington建立的轮轨接触模型，由轮轨间的表面粗糙度谱计算出了轮轨间的接触力，并将其作为产生轮轨振动的激励力得到了各子系统的输入功率。 |
| 9. | Using vogel ' s wear index as the rail side wear index , the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary , analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically . this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990 , then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear . in the end , some measures for regarding the side wear on curves are put forward
从轮轨摩擦、轮轨接触几何关系、轮轨接触应力和轮轨蠕滑等方面对钢轨侧面磨耗机理进行了探讨，从轨道几何参数、机车车辆运营条件等方面对钢轨侧面磨耗的影响因素进行了重点分析和总结；应用轮轨系统动力学，建立了轮轨空间耦合振动时变模型，采用vogel侧磨指数作为钢轨侧磨指标，系统分析了轮轨参数变化的情况下，轨头侧面磨耗的变化规律，重点分析了轨道不平顺对钢轨不均匀侧磨的影响；对山海关工务段1990年以后现场测得的曲线钢轨侧磨数据进行了分析，通过拟合得到了钢轨侧磨量与运量的关系曲线，并总结了曲线上股钢轨侧面磨耗的特征和发生、发展规律；最后提出了一些减缓曲线钢轨侧面磨耗的措施。 |
| 10. | By inputting impulsive excitation , the dynamic simulation of vertical wheel / rail force , wheel / rail contact stress and accelerations of axle and bogie frame for resilient wheelset system is carried out and the results are analyzed and compared with the system of rigid wheelset . in additions , the stiffness of rubber is optimized
其次通过输入脉冲型激扰，对弹性轮对车辆轨道垂向耦合系统进行了轮轨力、轮轨接触压力和车轴及构架加速度的动力学仿真，并与刚性轮对车辆的计算结果进行了比较和分析，优化了橡胶的刚度。 |
