压电曲壳结构的形状控制和优化设计

闫浩; 姚林泉; 孙晓洁

doi:10.3879/j.issn.1000-0887.2014.08.004

压电曲壳结构的形状控制和优化设计

doi: 10.3879/j.issn.1000-0887.2014.08.004

苏州大学城市轨道交通学院,江苏苏州 215000

基金项目: 国家自然科学基金（11172192）

详细信息

作者简介:
闫浩（1989—），男，河南林州人，硕士生(E-mail: ama-zon@163.com);姚林泉（1961—），男，江苏苏州人，教授，博士，博士生导师(通讯作者. E-mail: lqyao@suda.edu.cn).

中图分类号: TB381;O343
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- 被引次数: 0
出版历程
- 收稿日期: 2014-02-25
- 修回日期: 2014-06-19
- 刊出日期: 2014-08-15

Shape Control and Optimal Design of Piezoelectric Shell Structures

School of Urban Rail Transportation, Soochow University, Suzhou, Jiangsu 215000, P.R.China

Funds: The National Natural Science Foundation of China（11172192）

摘要

摘要: 研究了使用最少和最合理的压电片布置，以及最合理的多点输入电压，对曲壳类结构实施最佳的形状控制.首先，采用HSANS法，构造能够克服剪切自锁、梯形自锁和厚度自锁的压电曲壳结构实壳单元.然后，利用遗传算法的组合优化，对作动器的数目和位置进行设计，进一步利用遗传算法的数值优化，对各作动器的作用电压值进行优化，并给出一般计算过程.最后的算例表明，给出的实壳单元和优化设计方法，可以非常有效地实现对曲壳类结构的形状控制.
- 压电壳 /
- 形状控制 /
- 遗传算法 /
- 实壳单元 /
- 有限元
Abstract: The problem of shape control of curved shell structures with the least piezoelectric actuators in the most reasonable layout at optimal multi-point voltages was addressed. First, a solid shell element for shell structures was constructed with the HS-ANS method, to overcome shear locking, trapezoidal locking and thickness locking. Second, the layout of actuators was designed through the GA combinatorial optimization and the input actuator voltage was decided with the GA numerical optimization. The general computation processes were also built respectively. The following examples show the effectiveness of the proposed solid shell element and optimization method to control deformation of the curved shell structures.
- piezoelectric shell /
- shape control /
- genetic algorithm /
- solid shell element /
- finite element method

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参考文献(18)

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