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CATEGORIES:Engineering Structures Seminar Series
SUMMARY:Multiply-creased shell structures - Mierunalan Sey
on\, Department of Engineering\, University of Cam
bridge
DTSTART;TZID=Europe/London:20200228T150000
DTEND;TZID=Europe/London:20200228T160000
UID:TALK140290AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/140290
DESCRIPTION:A thin\, initially plane\, inextensible sheet can
be folded or creased along a general curve to form
two concatenated developable surfaces. Theorems o
f differential geometry can be used to calculate t
he shape of a curved-line folded sheet by identify
ing kinematic constraints between the pair of deve
lopable surfaces. We revisit two special cases fro
m literature\; one in which the fold curve remains
planar and the other in which the fold angle is c
onstant\, through practical experiments and finite
element analysis in order to quantify and validat
e the effectiveness of analytical approach based o
n differential geometry. We then utilise different
ial geometric approach to analyse a basic problem
of a circular disc with a single central circular
crease and compare to experimental and numerical r
esults. Excellent correlations are obtained.\n
LOCATION:Conference Room\, Civil Engineering Building\, JJ
Thomson Avenue 7a.
CONTACT:Dr Maria Marques de Carvalho
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