在双层多物理架构的元材料中,主动异质模式合用于时间,按需和可调节的编程.
S Mondal1, T Mukhopadhyay1, S Naskar2
1Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK.
Communications engineering
|June 7, 2025
概括
这项研究引入了新型的超材料,可以结合正常和剪切变形模式. 这一突破为先进的机械应用提供了可调节的刚性和主动隐蔽.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 物理 物理学 物理
背景情况:
- 传统材料表现出未合的正常和剪切变形模式.
- 实现合变形模式通常需要复杂的,非对称的格子结构.
研究的目的:
- 开发一种新类型的超材料,在正常变形和剪切变形之间具有电压依赖的异质模式合.
- 为了实现活跃的多模态刚度调制和先进的机械功能.
主要方法:
- 使用传统的对称格子几何学.
- 直观地安装电活性元素以实现双层,多物理架构的超材料.
主要成果:
- 展示了前所未有的可编程电压依赖的正常剪切构成模式合.
- 实现了可调节的机械响应的活跃多模态刚度调制.
- 展示了对复杂应力有活跃的部分隐蔽能力.
结论:
- 开发的对称元材料可以实时控制机械反应.
- 这项技术为高级应用程序 (如变形几何,软机器人和振动控制) 提供了时间编程.
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