rail contact

The wheel/ rail contact is the most basic and complex problem in the operation of the railway system.

轮轨接触问题一直是铁路运行中最基本、最复杂的问题之一。

Elasto plastic analysis of wheel rail contact problem

轮轨接触问题的弹塑性分析

It is therefore necessary to conduct elastic plastic analysis for wheel/ rail contact problems when micro roughness is considered.

对含表面粗糙度的轮轨接触问题，进行弹塑性分析是必要的。

The Hertz non-linear contact theory is used to calculate the wheel/ rail normal forces.

采用Hertz理论分析轮轨法向力。推导了轮轨接触蠕滑率的计算公式。

Welded rail tunnels used mobile CWR rail contact welding method for China's domestic initiative.

隧道内焊轨采用移动式无缝线路钢轨接触焊施工方法,为中国国内首创.

The finite element model of wheels sliding on the rails and rolling process are established by large-scale finite element software ANSYS. Establish contact using the contact element method in the wheel-rail contact area.

主要应用大型有限元软件ANSYS分别建立车轮在钢轨上滑动和滚动过程的有限元模型，在轮轨接触区利用接触单元法来建立接触。

The third rail contact system is one of main current collection mode for urban rail vehicles, which is widely used in urban mass transit.

摘要：第三轨接触网供电系统广泛应用于城市轨道交通中，是城市轨道车辆的主要受流方式之一。

On the conditions that the rail lateral, vertical and torsional vibrations, and the track irregularities are considered synthetically, the wheel rail contact geometry, the wheel track normal contact force model, and the wheel/ rail tangential creep force are solved in details.

详细研究了在充分考虑钢轨横向、垂向和扭转振动以及轨道不平顺作用下，轮轨空间动态接触几何关系、轮轨法向力以及轮轨蠕滑力的求解模型。

New Continuous Measuring Method for Wheel Rail Contact Forces

轮轨接触力新的连续测量法

Application of Support Vector Regression to Calculation of Wheel Rail Hertz Elastic Contact

支持向量回归在轮轨Hertz弹性接触计算中的应用

The contact element method and original stress method were used to analyze the elastic plastic contact problem of wheel/ rail with measured surface micro roughness. The distribution of surface contact pressure on the rail was obtained.

采用接触单元方法，结合初应力法，采用测量获得的表面微观粗糙度，对轮轨弹塑性接触问题进行了研究，获得了轮轨的表面接触压力分布等结果。

The finite element model, which is composed of JM worn type of locomotive wheel, standard 60 kg/ m rail, rail fastening, rubber tie plate and ballast bed, well simulates actual wheel-rail contact state.

建立的机车JM型磨耗型踏面、60kg/m钢轨、扣件、橡胶垫板和道床等有限元模型更加真实地模拟了轮轨接触状态。

Analysis of Wheel/ Rail Contact Stresses and Rail Corrugation

轮轨接触应力与钢轨波磨分析

With the use of the numeric iteration method for the derived non-linear equation, the solutions of the limit cycle on certain freight car bogie under the two conditions of with and without consideration of wheel-rail contact are given.

通过对导出的非线性方程运用数值迭代方法求解，给出了某货车转向架在不考虑和考虑轮缘接触2种情况下的极限环解。

Calculation Method of Wheel/ Roller ( Rail) Spatial Contact Point

空间状态轮轮（轨）接触点计算方法

Effect of the expansion rate of contact patch, due to wear of material, on the frictional temperature was analyzed in pure slide of wheel on rail.

在模拟轮轨接触斑部分滑动工况时，针对不同蠕滑率、摩擦系数以及轴重对轮轨温度场的影响进行了相应的计算分析。