在极低的频率使能的机械二极管

IF 2.6 4区 工程技术 Q2 MECHANICS
Tianzhi Yang, Zhonglei Duan, Xiangbo Meng, Shuanglong Liu, Li-Qun Chen
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引用次数: 2

摘要

本文提出了一种基于质量-弹簧系统的精密机械二极管模型。该模型利用双线性弹簧构造频率转换器,有效地干扰了声波的互反传输。通过采用质量-弹簧-质量系统作为滤波器,引入非局部连接来建立低频带隙,从而实现具有较低工作频率的机械二极管。通过全面的数值模拟和实验分析,论证了这种低频机械二极管的可行性。此外,我们还评估了双线性弹簧和非局部连接参数对二极管性能的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Roton-enabled mechanical diode at extremely low frequency
This paper presents a refined model for a mechanical diode based on a mass-spring system. The proposed model utilizes a bilinear spring to construct a frequency converter, which effectively disrupts the reciprocal transmission of acoustic waves. By employing a mass-spring-mass system as a filter, a nonlocal connection is introduced to establish a low-frequency band gap, thereby achieving a mechanical diode with a lower operating frequency. The feasibility of these low-frequency mechanical diodes is demonstrated through comprehensive numerical simulations and experimental analyses. In addition, we evaluated the effect of bilinear springs and nonlocal connection parameters on the diode performance.
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来源期刊
CiteScore
4.80
自引率
3.80%
发文量
95
审稿时长
5.8 months
期刊介绍: All areas of theoretical and applied mechanics including, but not limited to: Aerodynamics; Aeroelasticity; Biomechanics; Boundary layers; Composite materials; Computational mechanics; Constitutive modeling of materials; Dynamics; Elasticity; Experimental mechanics; Flow and fracture; Heat transport in fluid flows; Hydraulics; Impact; Internal flow; Mechanical properties of materials; Mechanics of shocks; Micromechanics; Nanomechanics; Plasticity; Stress analysis; Structures; Thermodynamics of materials and in flowing fluids; Thermo-mechanics; Turbulence; Vibration; Wave propagation
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