Maximization of the fundamental frequency of plates and cylinders

被引：14

作者：

Trias, D. ^{[1
]}

Maimi, P. ^{[1
]}

Blanco, N. ^{[1
]}

机构：

[1] Univ Girona, AMADE, Dept Mech Engn & Ind Construct, Campus Montilivi S-N, E-17071 Girona, Spain

来源：

COMPOSITE STRUCTURES | 2016年 / 156卷

关键词：

Optimization; Lamination parameters; Modal analysis; STACKING-SEQUENCE OPTIMIZATION; LAMINATED CYLINDRICAL-SHELLS; GENETIC ALGORITHM; OPTIMAL-DESIGN; COMPOSITE PLATES; OPTIMUM DESIGN; LAY-UP; CONSTRAINTS; PARAMETERS; STRATEGY;

D O I：

10.1016/j.compstruct.2015.08.034

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This work deals with the maximization of the fundamental frequency of laminated plates and cylinders by finding the optimal stacking sequence for symmetric and balanced laminates with neglectable bending-twisting and torsion-curvature couplings are considered. Instead of using the angle at each ply the so-called lamination parameters are used as design variables. Results for the plate problem are compared to those using analytical expressions found in the literature. The cylinder problem is solved for a large number of thickness and radius-to-length ratio combinations. Values of the optimal stacking sequence are given considering the angle can take any value between 0 degrees and 90 degrees or the case when the angle can only take a discrete set of values. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：375 / 384

页数：10

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