A model for the optimum design of thin laminated plate-shell structures for static, dynamic and buckling behaviour

C. M. Mota Soares; C. A. Mota Soares; H. C. Mateus

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A model for the optimum design of thin laminated plate-shell structures for static, dynamic and buckling behaviour

机译：薄板壳结构静态，动态和屈曲行为的优化设计模型

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This paper presents a discrete model for the sensitivity analysis and optimization of thin, multi-layered, angle-ply composite structures. The model is based on a plate-shell element with 18 degrees of freedom, using the discrete Kirchhoff theory for the bending effects. Angle-ply design variables and vectorial distances from the middle surface to the upper surface of each layer (indirectly, the thickness) are considered as design variables. Different objectives and constraints can be used as a specified displacement or the structure elastic strain energy or the volume of structural material or a chosen natural frequency or buckling load parameter. The design sensitivities are evaluated analytically. The efficiency and accuracy of the model developed is discussed with reference to several applications.

机译：本文提出了一种用于薄层，多层，角铺层复合结构灵敏度分析和优化的离散模型。该模型基于具有18个自由度的板壳单元，并使用离散的Kirchhoff理论获得弯曲效果。角度层设计变量和从每个层的中间表面到上表面的矢量距离（间接地是厚度）被视为设计变量。可以将不同的目标和约束条件用作指定的位移或结构弹性应变能或结构材料的体积或选定的固有频率或屈曲载荷参数。通过分析评估设计敏感性。参照几种应用讨论了所开发模型的效率和准确性。

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来源
《Composite Structures》 |1995年第4期|p.69-79|共11页
作者
C. M. Mota Soares; C. A. Mota Soares; H. C. Mateus;
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作者单位

Instituto de Engenharia Mecanica, IST, Av. Rovisco Pais, 1096 Lisboa Codex, Portugal;

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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
中图分类工程材料学;
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3. Buckling and dynamic behaviour of laminated composite structures using a discrete higher-order displacement model [J] . Jose Simoes Moita, Cristovao M. Mota Soares, Carlos A. Mota Soares Computers & Structures . 1999,第1a5期

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A model for the optimum design of thin laminated plate-shell structures for static, dynamic and buckling behaviour

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