Numerical Simulations in Nonlinear Elastic Metamaterials with Nonlocal Interaction

被引：0
|
作者：
Coppo, Francesco [1 ]
Mezzani, Federica [1 ]
Pensalfini, Sara [1 ]
Carcaterra, Antonio [1 ]
机构：
[1] Sapienza Univ Rome, Dept Mech & Aerosp Engn, Rome, Italy
来源：
NEW TRENDS IN NONLINEAR DYNAMICS, VOL III: PROCEEDINGS OF THE FIRST INTERNATIONAL NONLINEAR DYNAMICS CONFERENCE (NODYCON 2019) | 2020年
关键词：
Elastic metamaterials; Nonlinear; Wave stopping; Negative group velocity; Long-range interactions; DISPERSION;
D O I：
10.1007/978-3-030-34724-6_5
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The paper presents a numerical investigation of an elastic metamaterial, i.e., a one-dimensional elastic waveguide, equipped with nonlocal (long-range) and nonlinear interactions. The dynamic behavior of the newly defined structure is described by nonlinear integro-differential equation of motion. Numerical simulations, comparing the linearized model and the nonlinear one, unveil the arising of wave-stopping and backward propagation phenomena.
引用
收藏
页码：41 / 48
页数：8
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