力学系与湍流国家重点实验室学术报告7.5（报告人： Prof. Zhen Chen）
发布时间: 2010-06-29 10:18:00
SEMINAR SERIES
北京大学工学院 
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力学与空天技术系
湍流与复杂系统国家重点实验室
题目：The Recent Advances in Simulating Structural Responses to Extreme Loading
报告人 Prof. Zhen Chen
Department of Civil and Environmental Engineering
University of Missouri, Columbia, MO 65211-2200, USA
报告内容摘要
The understanding of structural responses under various external loadings and environments is critical for the safety assessment of modern infrastructures. Due to the limitation of experimental techniques available, Simulation-Based Engineering and Science (SBES) is playing an increasingly important role in engineering practice. In this presentation, an introduction will be given on model-based simulation of structural failure responses subjected to impact, blast and fragment loadings, with the use of the Material Point Method (MPM) which is an extension from Computational Fluid Dynamics to Computational Solid Dynamics. Since quasi-brittle materials such as concrete and rock are commonly used in the infrastructures, modeling and computational aspects of these engineering materials will also be discussed, with a focus on the post-peak responses that involve the onset and evolution of localization as well as the transition between different degrees of discontinuity. In addition, recent research results on multi-scale simulation of bio and nano structural responses will be shown to further demonstrate the potential of SBES in evaluating multi-scale structural safety.
报告人简介
Dr. Zhen Chen is C.W. LaPierre Professor in the College of Engineering at the University of Missouri (MU). His research area is in Computation Mechanics with a recent focus on multi-scale model-based simulation of the multi-physical phenomena involved in structural failure subjected to extreme loading conditions.
Before joining MU in 1995, Dr. Chen was a professional staff member in the Applied Mechanics Division at New Mexico Engineering Research Institute as well as in the Department for the Waste Isolation Pilot Project/Performance Analysis Code Development at Sandia National Laboratories.
Dr. Chen has more than 200 publications based on funded research projects. Among his honors and awards are the Fellow of ASME, the Yangtze Lecture Professor appointed by the Ministry of Education in China, the Faculty Research Award in the College of Engineering at MU, the Outstanding Youth Award (Oversea) from the Natural Science Foundation of China, and the NSF-CAREER Award. He received his Ph.D. degree in solid and computational mechanics from the University of New Mexico in 1989.
主持人：袁明武 教授
时 间：7月5日（周一）上午10:00
地 点：力学楼314会议室
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联系人：刘剑飞 62758899