【摘 要】
：
Based on the theory of vehicle-track coupling dynamics,the coupling dynamic model of the freight car mounted with the sub-frame bogies and the numerical model of curved track were established,utilizing the fast numerical integration method,the curving per
【机 构】
：
SchoolofInformationEngineering,SchoolofMechanicalEngineering
【基金项目】
：
the National Natural Science Foundation of China(No.51965016),the National Key Research & Development Funded Project (No. 2016YFB1200501),the Doctoral Research Start-up Funded Project (No. MY2015B
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Based on the theory of vehicle-track coupling dynamics,the coupling dynamic model of the freight car mounted with the sub-frame bogies and the numerical model of curved track were established,utilizing the fast numerical integration method,the curving per
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