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。
The curve negotiation performance of the 12-axle large wagons is analyzed with the SIMPACK vehicle dynamics analysis software.
该文通过对车辆的动力学分析，建立了事故再现中的汽车轨迹模型，并实现了计算机软件，最后对模型进行了验证。
Through the dynamic analysis of vehicle, the Vehicle Trajectory Model is built, and the programming of the model is established and validated in the paper.
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