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CATEGORIES:Engineering Department Structures Research Seminar
 s
SUMMARY:A boundary element formulation for stress concentr
 ation problems in the context of couple-stress ela
 sticity - Dr Gabriel Hattori\, CUED
DTSTART;TZID=Europe/London:20190524T153000
DTEND;TZID=Europe/London:20190524T160000
UID:TALK125158AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/125158
DESCRIPTION:The macroscopic behaviour of materials with non-ho
 mogeneous microstructure like composites\, bones a
 nd concrete is strongly influenced by their materi
 al characteristic lengths. Standard continuum mech
 anics theories are inherently size independent. Co
 uple-stress is the simplest generalised continuum 
 mechanics theory that can encompass the possibilit
 y of predicting size effects.Its origins date back
  to the early works of the Cosserat brothers\, and
  has attracted renewed attention from researchers 
 recently. In this work\, we derive a new set of fu
 ndamental solutions in closed form to be used conj
 ointly with the boundary element method (BEM). A n
 ew boundary integral equation arises to obtain the
  moments and rotations introduced by the couple-st
 ress formulation. We validate our proposed approac
 h with\nanalytical results obtained by Mindlin.\n
LOCATION: Cambridge University Engineering Department\, LT6
CONTACT:Karen Mitchell
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