Nonlinear Mechanical Roton-Reference-Cited by-同舟云学术

Nonlinear Mechanical Roton

Published:2023-01-23 Issue:3 Volume:90 Page:
ISSN:0021-8936
Container-title:Journal of Applied Mechanics
language:en
Short-container-title:

Author:

Duan Zhonglei¹,Cui Jianguo²,Chen Li-Qun²,Yang Tianzhi³

Affiliation:

1. Northeastern University School of Mechanical, Engineering and Automation, , Shenyang 110819 , China

2. Harbin Institute of Technology School of Science, , Shenzhen 518055 , China

3. Northeastern University School of Mechanical Engineering and Automation, , Shenyang 110819 , China

Abstract

Abstract The roton-like dispersions support the “return flow” of acoustic waves; such phenomena were only observed in quantum systems. In this paper, we aim to investigate the nonlinear roton-like dispersion in a mechanical metamaterial with both nonlinear chains and nonlinear resonators with nonlocal connection; both theoretical and numerical methods are used to analyze the system, and some new phenomena such as amplitude-dependent roton-like behaviors are observed. This work opens a new way for designing an extremely low-frequency vibration isolator with a stable configuration.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Link

https://asmedigitalcollection.asme.org/appliedmechanics/article-pdf/90/3/031010/6976478/jam_90_3_031010.pdf

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