Rigid-foldable spiral origami with compression-torsion coupled motion mode

IF 7.1 1区 工程技术 Q1 ENGINEERING, MECHANICAL
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引用次数: 0

Abstract

Rigid foldable origami enables smooth and precise folding without stretching or bending its constituent panels and is promising for applications such as reprogrammable matter, self-folding machines, reconfigurable antennas, and deployable spacecraft. The diverse range of potential applications necessitates the need for the design and detailed analysis of different rigid-foldable origami structures, especially those with intricate motion modes. In this paper, we introduce a rigid-foldable spiral origami design that features a compression-torsion coupled motion mode. This design exhibits rich static and dynamic properties. Under static conditions, the compression-torsion coupled motion mode creates multiple self-locking positions and allows for the development of mechanical static diodes. Under dynamic conditions, the compression-torsion coupling effect in the spiral origami facilitates precise control of wave modes within the origami chain when impacted by a ball with a moderate initial velocity. In the case of large initial velocities of the ball, the spiral origami can function as a wave generator, producing rarefaction solitary waves or compressive solitary waves. The proposed spiral origami design provides an opportunity to explore new applications of rigid-foldable origami with compression-torsion coupling effects.

Abstract Image

具有压缩-扭转耦合运动模式的刚性可折叠螺旋折纸
刚性可折叠折纸能在不拉伸或弯曲其组成板材的情况下实现平滑而精确的折叠,在可重编程物质、自动折叠机、可重新配置天线和可部署航天器等应用领域大有可为。由于潜在应用的多样性,我们有必要对不同的刚性可折叠折纸结构进行设计和详细分析,尤其是那些具有复杂运动模式的结构。在本文中,我们介绍了一种具有压缩-扭转耦合运动模式的刚性可折叠螺旋折纸设计。这种设计具有丰富的静态和动态特性。在静态条件下,压缩-扭转耦合运动模式可产生多个自锁位置,并允许开发机械静态二极管。在动态条件下,螺旋折纸中的压缩-扭转耦合效应有助于在受到初速度适中的球撞击时精确控制折纸链内的波模式。在小球初速较大的情况下,螺旋折纸可充当波发生器,产生稀释孤波或压缩孤波。拟议的螺旋折纸设计为探索具有压缩-扭转耦合效应的刚性可折叠折纸的新应用提供了机会。
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来源期刊
International Journal of Mechanical Sciences
International Journal of Mechanical Sciences 工程技术-工程:机械
CiteScore
12.80
自引率
17.80%
发文量
769
审稿时长
19 days
期刊介绍: The International Journal of Mechanical Sciences (IJMS) serves as a global platform for the publication and dissemination of original research that contributes to a deeper scientific understanding of the fundamental disciplines within mechanical, civil, and material engineering. The primary focus of IJMS is to showcase innovative and ground-breaking work that utilizes analytical and computational modeling techniques, such as Finite Element Method (FEM), Boundary Element Method (BEM), and mesh-free methods, among others. These modeling methods are applied to diverse fields including rigid-body mechanics (e.g., dynamics, vibration, stability), structural mechanics, metal forming, advanced materials (e.g., metals, composites, cellular, smart) behavior and applications, impact mechanics, strain localization, and other nonlinear effects (e.g., large deflections, plasticity, fracture). Additionally, IJMS covers the realms of fluid mechanics (both external and internal flows), tribology, thermodynamics, and materials processing. These subjects collectively form the core of the journal's content. In summary, IJMS provides a prestigious platform for researchers to present their original contributions, shedding light on analytical and computational modeling methods in various areas of mechanical engineering, as well as exploring the behavior and application of advanced materials, fluid mechanics, thermodynamics, and materials processing.
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