The model was used in the rolling parameters optimal design system and the rolling shape optimal design system, and good results were obtained.
该模型在连轧机参数优化设计和辊型配置优化设计系统中均得到应用，效果良好。
Different from the general topology optimization design, both the optimal topology and the optimal shape and size can be obtained.
这类问题不同于一般意义的拓扑优化问题，其优化结果不仅得到最优拓扑，而且得到最优形状和尺寸。
Some elements of a machine olden work under impact and this study represents a new design principle for impact, which could turn the design under impact into a shape optimal design.
在研究承受冲击载荷的机械零件设计时，提出了一个新的设计原则，并将冲击问题转化为形状优化设计问题。
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