Focused on the problem of cracking which easily occurred in stepped boxed-shaped parts when multi-step forming, the maximal thinning of blank was chosen as the object function, and combining with the central composite face-centered design of experiment，the forming process of the parts with different sizes were simulated by finite element software DYNAFORM, the moving least square based on second order response surface models was gradually established to replace the complex and implicit relation between the design parameters and output response, and then, global optimum design in the region of interest was found out using genetic algorithm.
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The perforation process of steel tube extrusion is simulated by finite element software.
利用有限元软件模拟钢管挤压穿孔过程。
The press straightening process of heavy rail was simulated and researched by finite element software of ANSYS.
利用有限元软件ANSYS对重轨的压力矫直过程进行了三堆有限元模拟，对重轨矫直过程中的弹塑性变形过程进行了分析。
Secondly, the model of deck pavement is analyzed by finite element software ANSYS to get its stress and strain distribution.
其次，本文使用ANSYS通用有限元策略对桥面铺装模型进行浅析浅析并得出它们的应力应变分布。
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