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SUMMARY:Concurrent multiscale computational modeling of granular materials
  mechanics: overlap coupling\, micromorphic theory\, stress and strain mea
 sures - Richard A. Regueiro\, Associate Professor\, Department of Civil\, 
 Environmental and Architectural Engineering\, University of Colorado at Bo
 ulder\, USA
DTSTART:20141106T160000Z
DTEND:20141106T173000Z
UID:TALK54242@talks.cam.ac.uk
CONTACT:Anama Lowday
DESCRIPTION:The mechanics of granular materials has received much attentio
 n across a wide range of engineering and science disciplines over the past
  fifty years or so\, from the seminal work of O. Reynolds (late 1800's) to
  P.W. Rowe (1960's)\, to more recent multiscale investigations involving i
 ntegrated experimental and computational methods.  The seminar will presen
 t research efforts in our group to develop a concurrent multiscale computa
 tional modeling framework for simulating the mechanical response of granul
 ar materials\, with extensions to mixed cohesionless-cohesive soil approac
 hes\, touching upon some aspects of our experimental collaborations.  Cert
 ain features of the multiscale modeling approach are discussed within the 
 context of generalized continuum mechanics\, in this case a nonlinear micr
 omorphic continuum mechanics theory and how stresses (and later\, strains)
  are estimated from the underlying mesoscale (i.e.\, grain length scale) c
 omputational model.  The concurrent multiscale computational modeling fram
 ework is then placed into context within an Office of Naval Research (ONR)
  Multidisciplinary University Research Initiative (MURI) project on soil b
 last modeling and simulation\, highlighting the integrated experimental-co
 mputational efforts.
LOCATION: Cambridge University Engineering Department\, Lecture Room 6
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