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SUMMARY:MechE Colloquium: Gel Mechanics
DTSTART:20180904T121500
DTEND:20180904T131500
DTSTAMP:20260415T024230Z
UID:986ff6b32f75ce5cf43fa321aeebb83988ab322f60ac752eb7697f6e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Lallit Anand\, Department of Mechanical Engineering\, Ma
 ssachusetts Institute of Technology\nAbstract:\nThere are numerous elastom
 eric materials which can absorb large quantities of suitable fluids withou
 t the essential skeletal network structure of the elastomer being disrupte
 d by the action of the fluid. Such a polymer network\, together with the f
 luid molecules\, forms a swollen aggregate called an elastomeric gel.\n\nW
 e have formulated a continuum‐mechanical theory to describe the various 
 coupled aspects of fluid permeation and large deformations (e.g.\, swellin
 g and squeezing) of elastomeric gels. We have also numerically implemented
  our theory and solved several interesting boundary‐value problems of en
 gineering interest. If the concentration of the solvent or the deformation
  is increased to substantial levels\, especially in the presence of flaws\
 , then the gel may rupture. While the understanding and modeling of the ef
 fects of fluid diffusion on the damage and fracture of polymeric gels are 
 still in its infancy\, I will also discuss a thermodynamically‐consisten
 t theory for fracture of polymeric gels ‐‐‐ a theory which accounts 
 for the coupled effects of fluid diffusion\, large deformations\, damage\,
  and also the gradient effects of damage.\n\nBio:\nLallit Anand is the War
 ren and Towneley Rohsenow Professor of Mechanical Engineering at MIT. He r
 eceived his B.Tech from IIT Kharagpur in 1970\, and earned his Ph.D. degre
 e in 1975 from Brown University. The same year he joined the Fundamental R
 esearch Laboratory of the U.S. Steel Corp.\, and served successively as Re
 search Scientist and Senior Research Scientist till 1981. He joined the MI
 T faculty in 1982. For two years\, during 1989‐1991\, he served as the P
 rogram Director for the Mechanics of Materials Program\, as well as the Ma
 nufacturing Processes Program in the Engineering Directorate of the Nation
 al Science Foundation. At MIT\, he has served as the Head of the Area for 
 Mechanics (2008‐2013).
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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