摘要
第25届中国科协年会提出了10个前沿科学问题,其中第四个重大问题难题是“非线性效应会随尺度变化吗?”.本文重点叙述工程领域的非线性效应(现象),以及工程领域中建模中的一些非线性因素,包括结构或者材料变形的非线性、非光滑系统、转轴裂纹、滑动轴承和滚动轴承非线性力、结构的滞回非线性、电路非线性、流致振动等,为探索该问题提供某些参考.
The 25th Annual Meeting of the China Association for Science and Technology raised 10 cutting-edge scientific questions,of which the fourth major problem was“Will nonlinear effects change with scale?”This paper focuses on nonlinear effects(phenomena)in the engineering field,as well as some nonlinear factors in the modeling of engineering,including nonlinearities of structural or material deformation,non-smooth systems,shaft cracks,nonlinear forces of sliding and rolling bearings,structural hysteretic nonlinearity,circuit nonlinearity,flow-induced vibration,etc.,providing some references for exploring this problem.
作者
陈予恕
张华彪
曹树谦
郭虎伦
Chen Yushu;Zhang Huabiao;Cao Shuqian;Guo Hulun(School of Mechanical Engineering,Tianjin University,Tianjin 300350,China;Tianjin Key Laboratory of Nonlinear Dynamics and Control,Tianjin 300350,China;School of Mechanics Engineering,Tianjin University of Commerce,Tianjin 300134,China)
出处
《动力学与控制学报》
2025年第1期1-7,共7页
Journal of Dynamics and Control
基金
国家自然科学基金资助项目(12172247)。
关键词
非线性效应
非线性现象
非线性因素
综述
nonlinear effects
nonlinear phenomena
nonlinear factors
review
作者简介
通信作者:陈予恕,E-mail:yschen@tju.edu.cn。
