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SUMMARY:Multiply-creased shell structures - Mierunalan Seyon\, Department 
 of Engineering\, University of Cambridge
DTSTART:20200228T150000Z
DTEND:20200228T160000Z
UID:TALK140290@talks.cam.ac.uk
CONTACT:Dr Maria Marques de Carvalho
DESCRIPTION:A thin\, initially plane\, inextensible sheet can be folded or
  creased along a general curve to form two concatenated developable surfac
 es. Theorems of differential geometry can be used to calculate the shape o
 f a curved-line folded sheet by identifying kinematic constraints between 
 the pair of developable surfaces. We revisit two special cases from litera
 ture\; one in which the fold curve remains planar and the other in which t
 he fold angle is constant\, through practical experiments and finite eleme
 nt analysis in order to quantify and validate the effectiveness of analyti
 cal approach based on differential geometry. We then utilise differential 
 geometric approach to analyse a basic problem of a circular disc with a si
 ngle central circular crease and compare to experimental and numerical res
 ults. Excellent correlations are obtained.\n
LOCATION:Conference Room\, Civil Engineering Building\, JJ Thomson Avenue 
 7a.
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