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SUMMARY:MEchanics GAthering –MEGA- Seminar: Simulating Plasticity in Met
 als at Mesoscopic Length and Time Scales
DTSTART:20230427T161500
DTEND:20230427T173000
DTSTAMP:20260407T103345Z
UID:52889f1c202b0a21b355442a6a119549ab3006dda8be5053c4750ad7
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Douglas E. Spearot (Mehcanical and Aerospace Engineerin
 g\, University of Florida)\nAbstract:\nThe development of accurate models 
 and simulations of plastic deformation in metallic materials requires an u
 nderstanding of the behavior of defects and deformation modes in metals at
  multiple length and time scales. The discrete dislocation dynamics (DDD) 
 method is one promising tool for understanding the plastic response of met
 allic materials at length and time scales larger than what is possible wit
 h brute-force atomistic simulations. Yet\, the DDD method must be advanced
  to consider interactions between dislocations and grain boundaries\, for 
 example\, and to improve opportunities for connection to experiments. In t
 his presentation\, DDD simulations of dislocation transmission at grain bo
 undaries (GBs) in Al will be presented\, including a new model for the mec
 hanical structure of equilibrium and non-equilibrium GBs via a disclinatio
 n-dislocation framework. In addition\, new virtual diffraction methods for
  DDD simulations will be presented\, which are designed to enhance the con
 nection between mesoscale simulations and experiments for validation.\n\nB
 iography:\nDr. Spearot is the Newton C. Ebaugh Professor in the Department
  of Mechanical & Aerospace Engineering at the University of Florida. He al
 so holds an affiliate appointment in the Department of Materials Science &
  Engineering. His research focuses on mechanical and thermodynamic propert
 ies of materials\, with strong emphasis on the structure and behavior of d
 islocations and grain boundaries in metallic materials. His research group
  uses and advances atomistic and mesoscale simulation techniques with the 
 intent to extract experimentally relevant properties or metrics from simul
 ation generated data. Dr. Spearot was awarded the CAREER Award in 2010 fro
 m the National Science Foundation. He received the Teacher of the Year awa
 rd in 2020 from the Department of Mechanical & Aerospace Engineering at th
 e University of Florida. Dr. Spearot received his B.S. in Mechanical Engin
 eering from the University of Michigan\, and his M.S. and Ph.D. in Mechani
 cal Engineering from the Georgia Institute of Technology.
LOCATION:MED 2 2423 https://plan.epfl.ch/?room==MED%202%202423 https://epf
 l.zoom.us/j/62450944145?pwd=NjVSdFI4VnJEVXJiT2VnNkpJQnN2Zz09
STATUS:CONFIRMED
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