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学科创新引智基地学术报告

题目：Stabilities in Thermoelastic Systems: from Micro to Nano
报告人：Yun-Bo Yi（伊云波） 丹佛大学机械与材料工程系副教授
时间：2012年9月25日上午10:00
地点：研究生楼410教室
报告语言：中文/英语
报告内容：
Stabilities in dissipative thermoelastic systems are of significant importance in a wide range of scientific and industrial applications. Frictionally sliding systems such as automotive brakes, clutches, seals , bearings, MEMS (microelectromechanical systems) and NEMS     (nanoelectromechanical systems) resonant sensors often involve thermoelastic instability, which is induced by the interaction between thermoelastic deformation and frictional heat generation. The thermal-mechanical feedback can lead eventually to the localization of temperature in a small region of the contact area known as hot spots and energy loss known as thermoelastic damping. Despite the differences in the size scales and the applications involved, their fundamental mechanisms share remarkable similarities. The current research targets a unified theory for stability analyses in multiscalethermoelastic systems, and the outcomes of this research will allow early predictions on the phenomena.
报告人简介：
 
　　Dr. Yun-Bo Yi, Associate Professor in the Department of Mechanical and Materials Engineering at the University of Denver (DU)， remains active in the area related to automotive brakes and clutches, his current research endeavors have extended to the emerging areas of micro/nanoscale mechanics and heterogeneous composite materials. He received his B.S. from Tsinghua University, China and M.S from the University of Missouri-Rolla (now Missouri University of Science and Technology, U.S.A.). He received his Ph.D. in Mechanical Engineering from the University of Michigan, Ann Arbor, U.S.A. in 2001. He received ASME Journal of Tribology the best paper award in 2007. He participated in more than ten research projects sponsored by NSF, Air Force Office of Scientific Research over the past decade. He authored/coauthored nearly 60 journal and conference publications.

主办单位：机械与车辆学院特种车辆研究所
车辆传动国家重点实验室