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采用随机方向探索法对中框架进行优化设计,实现比较高的中框架轴系的一阶扭转频率,并对有限元理论计算值和实验测试值对比,证明本优化方法是可行的。
The optimal design of the middle frame is achieved by using the random direction exploration method, and the first order torsional frequency of the middle frame shaft system is achieved. Compared with the calculated value of the finite element theory and the experimental test data, it is proved that the optimization method is feasible.