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SUMMARY:IGM Colloquium: Gel Mechanics\, by Prof. Lallit Anand
DTSTART:20180904T121500
DTEND:20180904T131500
DTSTAMP:20260506T170256Z
UID:68db1dc33814e478f0a129aba744131ef1adf1f14497a0896921e69f
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Lallit Anand\nThere are numerous elastomeric materials w
 hich can absorb large quantities of suitable fluids without the essential 
 skeletal network structure of the elastomer being disrupted by the action 
 of the fluid. Such a polymer network\, together with the fluid molecules\,
  forms a swollen aggregate called an elastomeric gel.\n\nWe have formulate
 d a continuum‐mechanical theory to describe the various coupled aspects 
 of fluid permeation and large deformations (e.g.\, swelling and squeezing)
  of elastomeric gels. We have also numerically implemented our theory\, an
 d solved several interesting boundary‐value problems of engineering inte
 rest. 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 effects of flu
 id diffusion on the damage and fracture of polymeric gels is still in its 
 infancy\, I will also discuss a thermodynamically‐consistent theory for 
 fracture of polymeric gels ‐‐‐ a theory which accounts for the coupl
 ed effects of fluid diffusion\, large deformations\, damage\, and also the
  gradient effects of damage.
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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