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SUMMARY:Towards improved models for predicting residual stress in glass - 
 Dr Mithila Achintha - University of Southampton
DTSTART:20131129T150000Z
DTEND:20131129T160000Z
UID:TALK47585@talks.cam.ac.uk
CONTACT:Lorna Everett
DESCRIPTION:Numerical methods such as finite elements allow us to analyse 
 glass structural elements with considerable precision.  The effect of inhe
 rent residual stress presents in glass can exhibit behaviour which is not 
 well modelled by conventional finite element models or allowable stress ba
 sed rules of thumb.  Our present state of understanding means that it is n
 ot generally possible to predict stress concentration generated within geo
 metric features or long-term material behaviour of glass under sustained l
 oads. The seminar will present some examples of hybrid finite element /con
 tour method for predicting the residual stress present in commercially ava
 ilable glass.  Experimental measurements obtained by curvature measurement
  of glass beams will be presented and compared.  A few practical applicati
 ons of the new model will also be discussed.\n\n
LOCATION:Cambridge University Engineering Department\, LR5
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