Multiobjective design of viscoelastic laminated composite sandwich panels

被引：68
作者：
Madeira, J. F. A. [1 ,2 ]
Araujo, A. L. [1 ]
Mota Soares, C. M. [1 ]
Mota Soares, C. A. [1 ]
Ferreira, A. J. M. [3 ]
机构：
[1] Univ Lisbon, Inst Super Tecn, IDMEC, P-1049001 Lisbon, Portugal
[2] IPL, ISEL, P-1959007 Lisbon, Portugal
[3] Univ Porto, Fac Engn, Dept Engn Mecan, P-4200465 Oporto, Portugal
来源：
COMPOSITES PART B-ENGINEERING | 2015年 / 77卷
关键词：
Layered structures; Vibration; Internal friction/damping; Computational modelling; DIRECT MULTISEARCH; OPTIMIZATION; MODEL; FRP;
D O I：
10.1016/j.compositesb.2015.03.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optimal design of laminated sandwich panels with viscoelastic core is addressed in this paper, with the objective of simultaneously minimizing weight and material cost and maximizing modal damping. The design variables are the number of layers in the laminated sandwich panel, the layer constituent materials and orientation angles and the viscoelastic layer thickness. The problem is solved using the Direct MultiSearch (DMS) solver for multiobjective optimization problems which does not use any derivatives of the objective functions. A finite element model for sandwich plates with transversely compressible viscoelastic core and anisotropic laminated face layers is used. Trade-off Pareto optimal fronts are obtained and the results are analyzed and discussed. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：391 / 401
页数：11
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