A locally resonant metamaterial beam with tunable electromagnetic stiffness based on the electromechanical analogy network
Shiqi Deng,
Yanyong He,
Yudong Wu
et al.
Abstract:Locally resonant acoustic metamaterials offer distinctive advantages in controlling low-frequency elastic waves. However, passive structures often face limitations due to narrow bandgaps and fixed working band once they are fabricated. This paper introduces a novel metamaterial beam with tunable bandgaps. This achievement is made possible by employing one electromagnet and three permanent magnets to create an electromagnetic spring. The initial stiffness, provided by the spiral beam, collaborates with the elec… Show more
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