报告题目：Advances in Non-smooth Dynamics: Theory and Applications
报告时间：2026年10月29日（星期四）上午10:00-11:00
报告地点：创新港校区2号巨构2-2072会议室
报告摘要:
Non-smooth dynamics is the most vibrant area of nonlinear dynamics where new fundamental and applied advances are being made. In this lecture I will introduce the recent advances in the field of nonlinear dynamics with a special focus on non-smooth dynamical systems, which is the newest and vastly developing area with new phenomena such as grazing induced bifurcations and a broad range of applications in science and engineering. In the first part, I will review major advances in non-smooth dynamics over the last three decades with emergence of grazing and grazing induced bifurcations. I will define the fundamental concepts in nonlinear dynamics with their techniques and I will focus on a classso-called non-smooth dynamical systems. Then I will show how such problems can be effectively modelled andanalysedby low dimensional but calibrated dynamical systems. The generic complexity of non-smooth dynamics will be demonstrated by an elastic impact oscillator – an archetypal model for modelling of high frequency vibro-impact drilling. The second part will be devoted to what we might call Nonlinear Dynamics for Engineering Design where I will present results from my recent projects, where nonlinear dynamic interactions have been used to enhance the performance of real systems and structures. I will put a special emphasis on one largeprojectsfrom energy industry, where we have developed a revolutionary downhole drilling technology tested in our unique drilling laboratories. I will argue that this would not be possible without calibrated low dimensional models.
学者简介：
MarianWiercigroch教授，英国皇家工程院院士、英国爱丁堡皇家学会院士、欧洲科学院院士、波兰科学院外籍院士，英国阿伯丁大学应用动力学领域享有盛誉的“第六世纪讲席教授”，应用动力学研究中心创始主任。主要从事理论与实验非线性动力学及其工程应用方面的研究，公开发表学术论文600余篇，担任国际权威期刊《International Journal of Mechanical Sciences》的主编，并担任十余个国际同行评审期刊编委。
