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介绍了新近研制的轮轨踏面外形设计和分析软件系统WDesign的原理、功能和应用例子。主要功能包括采用接触角函数法CAF的踏面外形设计、条状法STRIP的轮轨接触应力分析、圆弧曲线拟合法计算接触点的曲率、任意离散点法的轮轨几何匹配分析等。
The principle, function and application of newly developed WDsign wheel profile design and analysis software system are introduced. The main functions include the design of tread profile with CAF, the wheel-rail contact stress analysis of stripe STRIP, the curvature curve of contact point by arc curve fitting, the wheel-rail geometric matching analysis by arbitrary discrete point method and so on.