Dynamic Topological optimization design of three-dimensional continuum structure by using ICM method

机译：基于ICM方法的三维连续体结构动态拓扑优化设计

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摘要

In this paper, we mainly focus on the structural optimal design of dynamics for three-dimensional continuum structures, and aim at constructing the topological optimal formulation by using of the ICM (Independent, Continuum and Mapping) method, which is considering weight as object function and the fundamental eigenfrequency as constraints.An explicit expression of eigenfrequency with respect to the topological variables is obtained by some technique.And the normal transformation in the optimal formulation with different filter functions is achieved.After that the topology optimization problem is solved by the dual quadratic programming.In addition, some efficient approaches will be introduced to handle localized eigenmodes.Finally, the feasibility and efficiency of the proposed method are illustrated with three-dimensional example.

机译：本文主要关注三维连续体结构动力学的结构优化设计，旨在通过使用以权重为目标函数的ICM（独立，连续体和映射）方法构造拓扑优化公式。通过一些技术得到了一个关于拓扑变量的特征频率的显式表达式，并实现了具有不同滤波函数的最优公式的正态变换，然后通过对偶来解决拓扑优化问题此外，将介绍一些有效的方法来处理局部特征模式。最后，以三维实例说明了该方法的可行性和有效性。

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来源
《The 7th China-Japan-Korea joint symposium on optimization of structural and mechanical systems》|2012年|1-10|共10页
会议地点 Huangshan(CN)
作者
Hongling YE; Hongling YE; Jingxian SHEN;
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作者单位

College of Mechanical Engineering and Applied Electronics Technology,Beijing University of Technology,100124,Beijing,China;

College of Mechanical Engineering and Applied Electronics Technology,Beijing University of Technology,100124,Beijing,China;

College of Mechanical Engineering and Applied Electronics Technology,Beijing University of Technology,100124,Beijing,China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 TP271.2;
关键词
topology optimization; three-dimensional continuum structure; ICM method; frequency constraint;

机译：拓扑优化三维连续结构ICM方法频率约束;

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Dynamic Topological optimization design of three-dimensional continuum structure by using ICM method

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