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SUMMARY:&quot\;Elementary Morphing Shells: Behaviour and Actuation&quot\; 
 - Evros Loukaides - PhD Student
DTSTART:20121130T150000Z
DTEND:20121130T160000Z
UID:TALK39837@talks.cam.ac.uk
CONTACT:Lorna Everett
DESCRIPTION:The ability of certain shell structures to maintain stiffness 
 under multiple geometries is both a topic with significant history and one
  of intense current research activity. Multistable shells have found every
 day applications in the form of bistable switches and the common snap-brac
 elet. Recent work has shown the potential for further applications in fiel
 ds as diverse as the aerospace industry and micro-optics. Similar principl
 es however govern the movement of some biological structures\, such as the
  snapping of the Venus Flytrap. \n\nThis presentation attempts to present 
 the state of the art in this topic\, and display some recent results withi
 n the Advanced Structures Group. A theoretical model\, based on the unifor
 m curvature assumption is used to specify the relevant parameters for mult
 istability and allows us to conclude the full range of possible behaviour.
  This model also serves as a design tool for a novel tristable shell struc
 ture\, manufactured with both weaved composites and uni-directional lamina
 tes. In conclusion\, some early results on embedded and remote actuation o
 f composite and elastomeric multistable shells are discussed. \n
LOCATION:Engineering Department - **LR5**
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