A Twisted Metamaterial Actuated by Pneumatic Artificial Muscle

This article proposes a method for realizing a twisted metamaterial capable of exhibiting coupled compression–twist behavior under actuation by a pneumatic artificial muscle (PAM). The energy principle is employed to derive the Young's modulus of the twisted metamaterial, and the theoretical results are compared with finite element (FE) simulation, demonstrating strong agreement between the two approaches. Furthermore, the twist‐to‐strain ratio ( ψ ) is analyzed via FE simulations, revealing that geometric parameters exert a significant influence on ψ . When actuated by a homemade PAM, the metamaterial exhibits a distinct coupled compression–twist deformation response. Due to its exceptional mechanical performance, the proposed twisted metamaterial holds good promise for applications in intelligent soft robotics, energy absorption systems, and related advanced engineering fields. This study provides meaningful insights and a theoretical foundation for the design and development of next‐generation twisted metamaterials.