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Optimization of magneto-electro-elastic composite structures using differential evolution

机译：利用微分演化优化磁电弹性复合结构

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摘要

Magneto-electro-elastic structures are built from materials that provide them the ability to convert in an interchangeable way, magnetic, electric and mechanical forms of energy. This characteristic can therefore provide an adaptive behaviour to a general configuration elastic structure, being commonly used in association with any type of composite material in an embedded or surface mounted mode, or by considering the usage of multiphase materials that enable achieving different magneto-electro-elastic properties. In a first stage of this work, a few cases studies will be considered to enable the validation of the model considered and the influence of the coupling characteristics of this type of adaptive structures. After that we consider the application of a recent computational intelligence technique, the differential evolution, in a deflection profile minimization problem. Studies on the influence of optimization parameters associated to the problem considered will be performed as well as the adoption of an adaptive scheme for the perturbation factor. Results are also compared with those obtained using an enhanced particle swarm optimization technique.
机译：磁电弹性结构是由材料制成的，这些材料使它们能够以可互换的方式转换磁，电和机械形式的能量。因此，此特性可以为一般配置的弹性结构提供适应性行为，该结构通常以嵌入或表面安装方式与任何类型的复合材料结合使用，或者考虑使用能够实现不同磁电耦合的多相材料。弹性。在这项工作的第一阶段，将考虑一些案例研究，以验证所考虑的模型以及这种类型的自适应结构的耦合特性的影响。之后，我们考虑在偏转轮廓最小化问题中应用最新的计算智能技术（微分演化）。将对与所考虑的问题相关的优化参数的影响进行研究，并对自适应因子采用自适应方案。还将结果与使用增强粒子群优化技术获得的结果进行比较。

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  • 来源
    《Composite Structures》 |2014年第1期|276-287|共12页
  • 作者

    M.A.R. Loja; C.M. Mota Soares; J.I. Barbosa;

  • 作者单位

    ISEL/ADEM - Institute Superior de Engenharia de Lisboa, Area Departamental de Engenharia Mecanica, Av. Conselheiro Emidio Navarro, 1, 1959-007 Lisboa, Portugal,IDMEC/IST, Institute Superior Tecnico, Universidade Tecnica de Lisboa, Av. Rovisco Pais, 1, 1049-01 Lisboa, Portugal;

    IDMEC/IST, Institute Superior Tecnico, Universidade Tecnica de Lisboa, Av. Rovisco Pais, 1, 1049-01 Lisboa, Portugal;

    ISEL/ADEM - Institute Superior de Engenharia de Lisboa, Area Departamental de Engenharia Mecanica, Av. Conselheiro Emidio Navarro, 1, 1959-007 Lisboa, Portugal,IDMEC/IST, Institute Superior Tecnico, Universidade Tecnica de Lisboa, Av. Rovisco Pais, 1, 1049-01 Lisboa, Portugal;

  • 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

    Structural optimization; Differential evolution; Magneto-electro-elastic materials; Functionally graded structures;

    机译：结构优化;差异演化;磁电弹性材料;功能分级结构;

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