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SUMMARY:Stochastic homogenization: some recent theoretical and numerical c
 ontributions - Le Bris\, C (ENPC - cole des Ponts ParisTech)
DTSTART:20100401T090000Z
DTEND:20100401T100000Z
UID:TALK23972@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:The talk will overview some recent contributions on several th
 eoretical aspects and numerical approaches in stochastic homogenization\, 
 for the modelling of random materials. \nIn particular\, some variants of 
 the theory of classical stochastic homogenization will be introduced. The 
 relation between such homogenization problems and other multiscale problem
 s in materials science will be emphasized. On the numerical front\, some a
 pproaches will be presented\, for acceleration of convergence in stochasti
 c homogenization (representative volume element\, variance reduction issue
 s\, etc) as well as  for approximation of the stochastic problem  when the
  random character is only a perturbation of a deterministic model. The tal
 k is based upon a series of joint works with  X. Blanc (CEA\, Paris)\, PL.
  Lions (College de France\, Paris)\,  and F. Legoll\, A. Anantharaman\, R.
  Costaouec\, F. Thomines (ENPC\, Paris).
LOCATION:Seminar Room 1\, Newton Institute
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