加州大学Lizhi Sun 教授应邀来我院作学术报告

发布者:城市建设学院发布时间:2019-12-19浏览次数:10

  (通讯员李阳)2019年1213日上午10点,应电竞比分网道路桥梁与轨道交通研究所邀请,美国加州大学欧文分校土木与环境工程系Lizhi Sun52302学术报告厅作学术报告,报告题目为《Magneto-viscoelasticity and semi-active control of structures embedded with magnetorheological isolation system报告会由道路桥梁与轨道交通研究所所长金清平教授主持,百余名师生现场聆听报告。


 Sun教授先容了加州大学欧文分校的教育教学背景,接着先容了目前复合材料的发展历史,技术原理,应用领域等发展前沿,以及复合材料工程应用所面临的技术瓶颈和突破点。Sun 教授分享了自己在该领域研究的新进展—磁流变智能型纳米复合材料及应用。该材料利用磁场磁化掺杂在高分子材料中的铁颗粒,改善复合材料的内部结构和力学特性,以实现磁场对结构性能的半主动控制,从而使结构响应针对外荷载做出良好优化调控在谈到力学和材料的组合时,Sun教授指出“从微观结构出发探究改善材料力学性能的机制,从宏观角度观测材料力学性能的特征,从工程应用的视野检验材料的适用性并不断加以优化”。理论到实践,实验的支撑密不可分,接着他从理论分析,数学推理,App建模,实验模拟等方面,细致而又全面地讲解了该成果的研究历程和相关细节。会议最后,Sun教授就该研究领域进行总结展望,并与在场的师生展开了更为深入的互动与交流针对部分同学提出的应用领域方面问题,他强调“作为一种智能型纳米复合材料,主要应用在智能结构的组成单元中,从技术上来说,该材料并不能很好地与混凝土颗粒结合以应用到工程实际中”。Sun教授还就如何正确撰写高水平英文论文和投稿与参会的师生进行了深入交流,提供了许多有益的建议。

Sun教授对学术秉持严谨,认真,笃实的学风引发了同学们强烈反响,现场学术氛围和谐融洽。

报告人概况: Dr. Lizhi Sun is Professor in Department of Civil & Environmental Engineering at University of California, Irvine (UCI). His primary area of research is the micromechanics of heterogeneous composite materials, with applications in civil, mechanical, and aerospace engineering. He has published more than 190 papers including 95 peer-reviewed journal papers in the field of mechanics and materials. He wins academic and research awards such as Fellow of AAAS (2017), Fellow of ASCE’s Engineering Mechanics Institute (2014), UCI Civil and Environmental Engineering Professor of the Year (2013), AFRL Faculty Fellow (2011), UCI School of Engineering Fariborz Maseeh Best Faculty Research Award (2008), and Honda Research Initiation Award (2006). Dr. Sun is an editor for International Journal of Damage Mechanics and an associate editor for ASCE’s Journal of Engineering Mechanics. He has organized more than 50 symposia for various societies and served as a reviewer for more than 70 journals and 10 funding agencies (e.g. NSF, NIH, and DoD). Dr. Sun has been the technical committee chair for ASCE-EMI Committee on Inelasticity Modeling and Multiscale Behavior (2009-2011), ASCE-EMI Committee on Nanocomposites (2012-2013), and ASCE-EMI Committee on Nanomechanics and Micromechanics (2014-2017).








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