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- Title
Diode behaviors of curved elastic wave metamaterials with a nonlinear granular chain.
- Authors
Wei, Lin-Shuai; Zhou, Wu; Wang, Yi-Ze; Wang, Yue-Sheng
- Abstract
This work studies about the band gap characteristics and nonreciprocal propagation of nonlinear elastic wave metamaterials which are composed of the curved particle chain with diatomic lattice. The incremental harmonic balance (IHB) method is applied to derive the nonlinear wave equation with fractional terms. Different curved angles and amplitude ratios are considered to show band gaps of nonlinear elastic waves. Both numerical calculations by the Runge-Kutta method and experiments are performed to support band gaps and diode behaviors. This study provides a new application of nonlinear phononic crystals and mechanical metamaterials with different curved directions.
- Publication
Acta Mechanica Sinica, 2023, Vol 39, Issue 7, p1
- ISSN
0567-7718
- Publication type
Article
- DOI
10.1007/s10409-023-23078-x