报告题目：Modeling of Particle Motion toward Functionally Graded Material  Manufacturing for Building Envelope Applications

报告人：Huiming Yin （尹辉明）博士，Columbia University，USA

报告时间：7月19日(周二)上午9点

报告地点：综合1号实验楼602

报告摘要：

Abstract -A multifunctional material system has been designed for buildingenvelope with high performance for energy efficiency and sustainability. It contains photovoltaic (PV)moduleslaminated on a functionally graded material (FGM) layer containing water pipelines, which is then bonded to a lightweight concrete substrate. The FGMlayer with water flow reduces the thermal stress by continuous material transition,recovers the energy efficiency of the PV cells by controlling the service temperature, and harvests heat as well as saves air conditioning for the building.A sedimentation based manufacturing method has been used forthe mass production of the FGM. The equivalent inclusion method (EIM) has been introduced in modeling of particles moving in a viscous fluid toward FGM manufacturing. When boundary effect of a semi-infinite domain is considered, a new Green’s function was introduced.For a particle system with an arbitrary boundary, an inclusion-based boundary element method (iBEM) has been developed to model the mechanical and multi-physical behavior of the particle system.This formulationcan be extended to numerical simulation of heterogeneous material systems containing different sizes and shapes of particles, whether a multiphase flow or a heterogeneous solid.For example, applications of EIM/iBEMto smart materials and asphalt materials are illustrated. Finally, Dr. Yin will introduce his vision on energy in sustainable infrastructure and share some ongoing research at Columbia University.

个人简介：

Bio -Dr. Huiming Yinreceived his Bachelor degree from the Hohai University, China, in 1995, Master degree from the Peking University, China, in 1998, and PhD degree from The Iowa University in 2004. Before joining Columbia University in 2008, Dr. Yin was employed by Caltrans as a Civil Engineer in the Transportation Laboratory at Sacramento, California, for two years (2006-08) and by University of Illinois at Urbana-Champaign as a Post-Doctoral Research Associate in the Department of Civil and Environmental Engineering for two years (2004-06). Dr. Yin’s research focuses on the multi-physical and mechanical characterization and modeling of civil engineering materials and their applications in energy efficient infrastructure systems.He received the NSF CAREER Award in 2010.