세미나안내

[2013 11 20] 정기세미나 9th

나노복합재의 멀티스케일 해석

MSE Graduate Students and Researchers

관리자 | 2013.11.20 14:44 | 조회 3337


Reception: MSE Graduate Students and Researchers

Reference: MSE Professors

Subject: The 9th Seminar - Fall Semester, 2013 

 

 Date: 2013. 11. 20(Wed), 17:00 ~ 18:15

 Place: Science Building, Room.202 Multimedia Room

 Title: 나노복합재의 멀티스케일 해석

 Speaker: Prof. Maenghyo Cho (Seoul National University)

Host of a Seminar: Prof. Byeong-joo Lee

Speaker Language: ENGLISH

 

Abstract:

In this study, statistical multiscale approach reflecting MD model inherent uncertainty and filler geometric uncertainty is proposed. Molecular dynamics approach needs randomly distributed initial ensemble velocities such as Boltzmann random distribution. However, nonlinear dynamics simulation is very sensitive to the initial condition such as initial location and velocity. Therefore, MD model inherent uncertainty is a critical issue in predicting elastic properties and thermal characteristics and reliability-based analysis. Meanwhile, filler dispersion is also a critical issue in the process of polymer nanocomposites. Filler agglomeration from van der Waals interaction between reinforced fillers makes dispersion of fillers worse. In this study, an integrated multiscale analysis framework considering MD model inherent uncertainty and filler geometric uncertainty all together is proposed.

 

 

Education

 

B.S.      Aeronautical Engineering, Seoul National University                                1984

M.S.      Aeronautical Engineering, Seoul National University                               1986

Ph.D.     Department of Aeronautics and Astronautics, University of Washington        1993

 

Employment

 

Professor                     Inha University              1994 - 1999

Professor          Seoul National University            1999 - Present

 

 

Department of Materials Science and Engineering



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