基于压电驱动的多材料主动结构显式拓扑优化设计

延晓晔; 赖旗; 孟尧; 张维声

doi:10.21656/1000-0887.450197

基于压电驱动的多材料主动结构显式拓扑优化设计

doi: 10.21656/1000-0887.450197

大连理工大学工程力学系，辽宁大连 116024

基金项目:

国家自然科学基金(12272075)

详细信息

作者简介:
延晓晔（1997—），男，博士生(E-mail: dllgyanxy@mail.dlut.edu.cn);张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

通讯作者:
张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

中图分类号: O232
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- 文章访问数: 32
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- 被引次数: 0
出版历程
- 收稿日期: 2024-07-08
- 修回日期: 2024-08-04
- 网络出版日期: 2024-12-02

Explicit Topology Optimization of Multi-Material Active Structures Based on Piezoelectric Actuation

Department of Engineering Mechanics, Dalian University of Technology, Dalian, Liaoning 116024, P.R.China

Funds:

The National Science Foundation of China(12272075)

摘要

摘要: 结构的轻量化设计在工业领域中一直受到高度重视.与仅通过材料本身的刚度抵抗外界载荷作用的被动结构不同，主动结构通过主动改变结构的内力驱动变形从而实现结构轻量化.该文提出了一种基于可移动变形组件（moving morphable components, MMC）法的压电多材料主动结构的显式拓扑优化方法.该方法在满足位移约束的前提下，通过同时优化结构拓扑以及压电驱动器的分布实现了主动结构的总质量最小化.为了优化极化特征以实现复杂载荷环境下的自适应压电驱动作用，引入3组独立的MMC组件分别描述弹性材料和压电材料的分布及其相应的极化特征，以得到具有显式几何描述的复合材料主动结构.数值算例表明相比于被动结构，基于压电驱动作用的多材料主动结构能更有效地实现结构轻量化设计.
- 移动可变形组件法 /
- 拓扑优化 /
- 多材料 /
- 压电效应 /
- 主动结构
Abstract: The lightweight structure design is a crucial consideration in the industrial field. Unlike passive structures that rely solely on material stiffness to resist external loads, active structures achieve lightweighting by active change of the internal force-driven deformation. An explicit topology optimization method was introduced for piezoelectric multi-material active structures with the moving morphable components (MMC) method. The proposed method minimizes the total mass of the active structure by simultaneously optimizing the structure topology and the distribution of piezoelectric actuators while satisfying the displacement constraints. To optimize the polarization characteristics for adaptive piezoelectric actuation under complex loading conditions, 3 independent sets of MMCs were utilized. These components describe the distributions of elastic and piezoelectric materials as well as the corresponding polarization characteristics, resulting in a composite active structure with explicit geometric descriptions. Numerical examples demonstrate that, compared to passive structures, multi-material active structures based on piezoelectric actuation can realize structural lightweighting more efficiently.
- moving morphable components method /
- topology optimization /
- multi-material /
- piezoelectricity /
- active structure

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参考文献(21)

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基于压电驱动的多材料主动结构显式拓扑优化设计

doi: 10.21656/1000-0887.450197

作者简介:
延晓晔（1997—），男，博士生(E-mail: dllgyanxy@mail.dlut.edu.cn);张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

通讯作者:
张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

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Explicit Topology Optimization of Multi-Material Active Structures Based on Piezoelectric Actuation

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留言板

基于压电驱动的多材料主动结构显式拓扑优化设计

doi: 10.21656/1000-0887.450197

作者简介: 延晓晔（1997—），男，博士生(E-mail: dllgyanxy@mail.dlut.edu.cn);张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

通讯作者: 张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

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出版历程

Explicit Topology Optimization of Multi-Material Active Structures Based on Piezoelectric Actuation

计量

出版历程

目录

作者简介:
延晓晔（1997—），男，博士生(E-mail: dllgyanxy@mail.dlut.edu.cn);张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).

通讯作者:
张维声（1982—），男，教授，博士，博士生导师(通讯作者. E-mail: weishengzhang@dlut.edu.cn).