Question

请英语达人帮忙翻译一段摘要，如下

本文主要介绍了Hertz接触理论及轮轨接触应力的计算方法，建立了机车车轮与标准轨道相接触的三维模型，并建立了相应的有限元计算模型，通过对轮轨接触系统的有限元算，得到了轮轨接触系统接触应力的一系列数据。通过对计算结果的比对分析，得出了一系列机车车辆结构和运用参数对轮轨接触性能的影响规律。事实证明，将有限元方法应用于轮轨接触的研究是可行的，而且具有其独特的优越性。

Answer 1

This paper mainly introduces the Hertz contact theory and the wheel rail contact stress calculation method, established a locomotive wheel and the standard track contact model, and the corresponding finite element model, based on the finite element calculation of wheel rail contact system, obtained the wheel rail contact system contact stress of a series of data. Based on the calculated results of the analysis, obtained a series of locomotive and vehicle structure and operating parameters on wheel rail contact behaviors. The fact proves, the finite element method is applied to the study of wheel / rail contact is feasible, but also has its unique superiority.

Answer 2

This article mainly introduced the Hertz contact theory and the calculation method of wheel/rail contact stress, a locomotive wheels with standard rail phase 3 d model of contact, and established the corresponding finite element calculation model, through the contact finite element is the wheel/rail system, get the wheel/rail contact system contact stress of a series of data. The numerical results of comparison analysis, obtained a series of locomotive vehicle structure and using parameters on the performance of the wheel/rail contact the influence law. Facts prove, finite element method is applied to the wheel/rail contact research is feasible, and have its unique advantages.

Answer 3

This paper mainly introduces the method of calculation of the Hertz contact theory and the wheel-rail contact stress , three-dimensional model of the locomotive wheels in contact with the standard track , and the establishment of the corresponding finite element model through the wheel-rail contact system of finite element calculation , a series of data of the contact stress of the wheel-rail contact system . Comparative analysis of calculation results , obtained a series of rolling stock structure and the use of parameters on the wheel-rail contact performance . Facts have proved that the finite element method applied to the wheel-rail contact is feasible , but also has its unique advantages .

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