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Maximization of the fundamental frequency of plates and cylinders

机译:最大化印版和圆柱的基本频率

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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.
机译:这项工作通过找到对称的和平衡的层合板的最优叠置顺序来处理层合板和圆柱的基本频率,该叠合板可以忽略不计的弯曲扭曲和扭转-曲率耦合。代替在每个层使用角度,将所谓的层压参数用作设计变量。将印版问题的结果与使用文献中发现的分析表达式进行比较。对于大量的厚度和半径/长度比组合,解决了圆柱问题。考虑到角度可以取0度到90度之间的任何值,或者角度只能取一组离散值的情况,给出最佳堆叠顺序的值。 (C)2015 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Composite Structures》 |2016年第11期|375-384|共10页
  • 作者

    Trias D.; Maimi P.; Blanco N.;

  • 作者单位

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

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

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

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Optimization; Lamination parameters; Modal analysis;

    机译:优化;分层参数;模态分析;

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