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《Journal of Machine Design》 2006-10
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Study on topological optimization design of constrained damping plate based on evolutionary structural optimization

GUO Zhong-ze,CHEN Yu-ze,DEN Ke-wen,HOU Qiang(Institute of Overall Engineering,China Institute of Engineering Physics,Mianyang 621900)  
On the basis of topological Evolutionary Structural Optimization method(ESO) and taking the needed amount of damping material as the constraint condition,and the maximization of loss factor of modality as the target function,the problem of topological optimization design for constraint damping plate structure was studied.The formula of sensitivity analysis was derived;the topological optimization designing method of damping structure was presented,and the topological configuration of maximum modality loss factor of the constraint damping plate structure under certain needed amount of damping material was obtained.This method has certain significance on the optimization design of damping structure,and has comparatively strong practicality in engineering.
【Fund】: 中国工程物理研究院科学技术基金资助项目(20060321)
【CateGory Index】: TH122
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