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本文以P_(62)全钢铁路棚车为对象,运用DDDU—2F程序对其进行了结构优化。结果发现,对整车强度和刚度有重大影响的关键部位并不在车辆底架,而在上侧梁中段。
In this paper, P 62 steel and steel railroad car is the object of this paper, and its structure is optimized by DDDU-2F program. The results showed that the key parts that have a significant impact on vehicle strength and stiffness are not in the vehicle chassis, but in the middle of the upper side beam.