论文部分内容阅读
探讨一种计算轮轨之间接触力（蠕滑力）的又快又较准确的实用工程方法；以三维滚动接触理论为基础，根据铁路工程实际，采用与ＤｅＰａｔｅｒ的一阶理论相适应的半线性蠕滑力的计算公式，以二维插值查表法确定接触力（蠕滑力）；该法对于赫兹（Ｈｅｒｔｚ）法向接触力和卡尔克（Ｋａｌｋｅｒ）切向接触力均可使用；以此法为基础用ＭＡＴＬＡＢ语言编制的程序比Ｋａｌｋｅｒ的ＦＡＳＴＳＩＭ程序还要快５倍左右且有较高的计算精度；给出的实例结果与实际一致
A fast and accurate practical engineering method for calculating the contact force (creep force) between wheel and rail is discussed. Based on the three-dimensional rolling contact theory and according to the railway engineering practice, a semi- Linear creep force calculation formula to determine the contact force by two-dimensional interpolation look-up table (creep force); this method can be used for Hertz normal contact force and Kalker tangential contact force; This method is based on MATLAB programming language program than Kalker’s FASTSIM program about 5 times faster and has higher computational accuracy; given examples of results consistent with the actual