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SUMMARY:Buckling of elastic plates: theory and experiment - Prof Richard C
 raster\, Imperial College Dept. of Mathematics
DTSTART:20080501T103000Z
DTEND:20080501T113000Z
UID:TALK11513@talks.cam.ac.uk
CONTACT:Anne Alexander
DESCRIPTION:\nThe von Karman- Foppl equations are a nonlinear extension of
  the usual linear elastic plate equations allowing  for both in-plane stre
 tching and out-of-plane deformation. The equations are popular in areas of
  the Physics community and our aim is to solve them both analytically\, as
 ymptotically and numerically and then compare to experiments. We use the e
 quations to explore the onset of linear instability and the subsequent non
 linear development of buckling patterns in a flat  elastic plate due to an
  imposed shear or body force such as gravity. In particular the spacing of
  the buckles\, their amplitude and the envelope of their displacement can 
 be identified. For comparison  experimental results are also presented for
  a clamped and sheared sheet of Neoprene rubber and thus we can quantify h
 ow effective these equations are at predicting reality.
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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