典型文献
The X-structure/mechanism approach to beneficial nonlinear design in engineering
文献摘要：
Nonlinearity can take an important and critical role in engineering systems,and thus cannot be simply ignored in structural design,dynamic response analysis,and parameter selection.A key issue is how to analyze and design potential nonlinearities in-troduced to or inherent in a system under study.This is a must-do task in many practical applications involving vibration control,energy harvesting,sensor systems,robotic tech-nology,etc.This paper presents an up-to-date review on a cutting-edge method for nonlinearity manipulation and employment developed in recent several years,named as the X-structure/mechanism approach.The method is inspired from animal leg/limb skele-tons,and can provide passive low-cost high-efficiency adjustable and beneficial nonlinear stiffness(high static&ultra-low dynamic),nonlinear damping(dependent on resonant frequency and/or relative vibration displacement),and nonlinear inertia(low static&high dynamic)individually or simultaneously.The X-structure/mechanism is a generic and basic structure/mechanism,representing a class of structures/mechanisms which can achieve beneficial geometric nonlinearity during structural deflection or mechanism mo-tion,can be flexibly realized through commonly-used mechanical components,and have many different forms(with a basic unit taking a shape like X/K/Z/S/V,quadrilateral,di-amond,polygon,etc.).Importantly,all variant structures/mechanisms may share similar geometric nonlinearities and thus exhibit similar nonlinear stiffness/damping properties in vibration.Moreover,they are generally flexible in design and easy to implement.This paper systematically reviews the research background,motivation,essential bio-inspired ideas,advantages of this novel method,the beneficial nonlinear properties in stiffness,damping,and inertia,and the potential applications,and ends with some remarks and conclusions.
文献关键词：
中图分类号：
作者姓名：
Xingjian JING
作者机构：
Department of Mechanical Engineering,City University of Hong Kong,Kowloon Tong,Hong Kong,China
文献出处：
引用格式：
[1]Xingjian JING-.The X-structure/mechanism approach to beneficial nonlinear design in engineering)[J].应用数学和力学（英文版）,2022(07):979-1000
A类：
amond
B类：
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AB值：
0.600985
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机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
