The curve negotiation performance of the 12-axle large wagons is analyzed with the SIMPACK vehicle dynamics analysis software.

利用SIMPACK车辆动力学分析软件分析了12轴大型货车的曲线通过性能，得出了车辆曲线通过速度和曲线外轨超高的较佳匹配结果。

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Subsequently use SIMPACK software package and CONTACT numerical procedure to analyse its dynamic performance and contact mechanical performance.

然后用SIMPACK软件及三维非赫兹滚动接触理论对其进行了动力学性能及接触力学性能的分析。

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By simulation and calculation, the influence of cross sustaining device to the dynamic character of bogie is basically discussed via the SIMPACK software.

运用SIMPACK动力学软件，通过模拟计算，仅就交叉支撑装置对转向架动力学性能的影响进行了初步探讨。

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