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March 1, 2024The Journal of the Acoustical Society of AmericaOpen Access

Synthetically non-Hermitian nonlinear wave-like behavior in a topological mechanical metamaterial

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Authors

HXHaning XiuIFIan FrankelHLHarry Liu

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Overview

Experimental and numerical study reveals non-Hermitian nonlinear wave-like behaviors in a topological Maxwell lattice, suggesting new routes for smart materials and mechanical logic.

Key Points

  • Topological mechanical metamaterials display spatial nonlinear wave-like phenomena under large deformation, exhibiting localized domain switching and solitary waves.
  • Geometric numerical simulations and experiments evaluate large deformation quasi-static responses, mapping two-dimensional Maxwell lattices to dynamic systems.
  • Homogenized Maxwell lattices map to a non-hermitian wave equation, demonstrating active dynamic equivalents to enable advanced mechanical logic and smart materials.

Cite This Study

Xiu et al. (2024) studied this question.

synapsesocial.com/papers/68e76bdeb6db6435876e20echttps://doi.org/10.1121/10.0027267
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