It is exposed that the optimization of the structural parameters of sublevel caving is essentially that of the spacial configuration of the draw off body.
揭示无底柱分段崩落法结构参数优化的实质是放出体的空间排列优化问题。
On the bases of theories and methods of structural optimization, this paper utilizes the software, ISIGHT, to minimize the weight of special flat railway container vehicle body.
本文以结构优化设计理论和方法为基础，利用ISIGHT软件对集装箱专用平车车体结构进行了轻量化的优化设计。
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