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SUMMARY:Learning from bamboo: Plant-mimetic design toward less-material &a
 mp\; high-stiffness structure  - Dr Motohiro Sato\, Associate Professor\, 
 Faculty of Engineering\, Hokkaido University
DTSTART:20170616T150000Z
DTEND:20170616T160000Z
UID:TALK73076@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:Light and stiff\, bamboo is widely used as a natural\, functio
 nal material in Japan and other Asian countries. Bamboo is light because o
 f its hollow structure\, which allows the plant to grow faster with small 
 amounts of woody parts and expose itself to sunlight above other trees. Bu
 t this lightness also leaves bamboo vulnerable to strong crosswinds and ca
 n make it difficult for the plant to support its own weight. To overcome t
 his shortcoming\, the nodes are inserted in the longitudinal direction as 
 stiffeners and the woody parts of bamboo are reinforced with thin but robu
 st fibers (vascular bundles). Our recent researches1)\,2) have shown that 
 the spatial distributions of nodes and fibers in hollow bamboo cylinders a
 re optimized to reinforce flexural rigidity\, a new finding that sheds lig
 ht on biomimetic approaches in the development of materials. In this talk\
 , the interesting mechanical strategies of wise bamboos are introduced.\n\
 nReferences\n1)	M. Sato\, A. Inoue and H. Shima:\nBamboo-inspired optimal 
 design of functionally graded hollow cylinders \nPLoS ONE\, 12(5): e017502
 9 (2017)\n2) H. Shima\, M. Sato and A. Inoue:\nSelf-adaptive formation of 
 uneven node spacings in wild bamboo\nPhysical Review E\, Vol.93\, 022406 (
 2016)\n
LOCATION:Cambridge University Engineering Department\, Oatley meeting room
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