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通过纹拉伸连接多稳定的非欧几里德式原木的分支
Clark C Addis1, Salvador Rojas1, Andres F Arrieta1
1Programmable Structures Lab, School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, USA.
Physical review. E
|December 20, 2023
概括
现在可以设计非欧几里德式原木结构,使用纹拉伸连接折叠路径. 这一创新使得被动部署和控制成为可能,从而为多稳定的可部署系统带来了新的可能性.
科学领域:
- 材料机械学 材料机械学
- 原始设计工程 原始设计工程
- 机器人技术和可部署结构
背景情况:
- 非欧几里德式的原始设计能够从非平面表面实现多稳定的可部署结构.
- 由于固有的平面可折叠性限制,现有的方法导致断开的折叠路径.
研究的目的:
- 以非欧几里德式原形连接断开的解决方案分支.
- 探索纹拉伸作为储能和被动控制的一种方法.
- 开发一个简化的模型,用于反向设计的多稳定的原始设计.
主要方法:
- 引入纹拉伸 (可伸缩性) 到非欧几里德式原木纹.
- 分析一个Miura-Ori系统的单一可伸缩纹.
- 研究扭曲和拉伸的相互作用,以获得新的稳定状态.
主要成果:
- 纹拉伸连接非欧几里德原形的两个解决分支.
- 拉伸可以通过储能来实现被动部署和控制.
- 第三个稳定的状态是通过曲扭曲和拉伸的联合作用来实现的.
- 一个简化的模型为反向设计提供了封闭形式的预测.
结论:
- 纹拉伸是一种可行的方法,可以克服非欧几里德式原型设计的局限性.
- 这种方法有助于创建强大的,多级稳定的可部署结构.
- 开发的模型有助于用于建筑,材料和机器人的反向设计.
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