Optimal design of viscoelastic damping structures using layerwise finite element analysis and multi-objective genetic algorithm

被引：35
作者：
Xu, Chao [1 ]
Lin, Song [1 ]
Yang, Yunzhao [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Astronaut, Xian 710072, Peoples R China
来源：
COMPUTERS & STRUCTURES | 2015年 / 157卷
关键词：
Viscoelastic damping; Multi-objective optimization; Layerwise finite element model; Genetic algorithms; Composite structures; SANDWICH COMPOSITE PLATES; CONSTRAINED LAYER; DIRECT MULTISEARCH; LAMINATE THEORY; OPTIMIZATION; BEAMS; VIBRATION; MODEL; FREQUENCY; SHELLS;
D O I：
10.1016/j.compstruc.2015.05.005
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An optimization method for design of viscoelastic damping structures is presented. The optimal design problem is formulated as a multi-objective constrained optimization problem. A plate finite element based on the layerwise theory is applied to simplify modeling and optimization process. A modified reference point based non-dominated sorting genetic algorithm with parallel computation is used as optimization algorithm. The effectiveness of the approach is verified by numerical applications. It is shown that simultaneous material layout and geometry optimization can be achieved by combining the advantages of the layerwise finite element analysis and multi-objective genetic optimization, and the method is computationally efficient. (C) 2015 Elsevier Ltd. All rights reserved.
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页码：1 / 8
页数：8
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