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《Journal of Ship Mechanics》 2008-01
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A bionic approach of topology design optimization for vibration-proof plate and shell structures

DING Xiao-hong,CHEN Jian-lai,CHENG Li(College of Mechanical Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China)  
For aiming at vibration-proof structural design,a bionic design technique of topology design optimization for vibration-proof plate and shell structures is suggested.The generation process of the stiffener layout on a vibration-proof plate and shell structure can be regarded as the growing process of a root branch system in plants,thus the stiffeners are started from the so-called seeds,and are grown,branched off or degenerated according to a certain growing rule similar to that of a natural root branch system.Under the control of the volume increment,the optimal layout of stiffeners on a vibration-proof plate structure can be formed gradually.The design results can be used as the approximate optimal models for the further structural detail design.Stiffener layouts of some typical plate structures are illustrated.The numerical design results show that the suggested approach based on the bionic design technique breaks through some barriers of the conventional techniques of structural topology design optimization,and can be used to deal with some complex design problems efficiently.
【Fund】: 上海市教委发展基金项目(05EZ45)
【CateGory Index】: TB17
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1 YANG De-qing, LIU Yong-jun, JIN Xian-ding (Research Institute of Structural Mechanics,School of Naval Architecture and Ocean Engineering,Shanghai Jiao long Universily.Shanghai 200030, China; Northern Jiaotong University,Beijing 100044,China) E-mail address: yangdq@sjtu.edu.cn (yang De-qing);Structural Topology Optimal Design to Reduce Vibration and Noise of Thin Plate[J];Journal of Ship Mechanics;2003-05
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