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SUMMARY:Curvature Generation in Nematic Surfaces - Cyrus Mostajeran - PhD
DTSTART:20141107T153000Z
DTEND:20141107T160000Z
UID:TALK55479@talks.cam.ac.uk
CONTACT:Lorna Everett
DESCRIPTION:Much of shape formation at a variety of length scales in natur
 e\, ranging from the cell walls of plants and bacteria to macrostructures 
 such as growing plant leaves\, is governed by local deformations driven by
  differential growth or a non-uniform response to external stimuli. The in
 creasing availability of modern responsive materials in which spatially in
 homogeneous expansions and contractions can be precisely programmed and co
 ntrolled via external stimuli such as uniform heat or illumination offers 
 the promise of replicating the complex shape transitions observed in natur
 e. This has contributed to a growing interest in the modelling of shape tr
 ansitions of thin elastic structures that arise primarily due to non-unifo
 rm local deformations resulting from the material’s internal structure. 
 In this talk I will present a differential geometric framework for the ana
 lysis of such shape transformations and will discuss the application of th
 e theory to nematic liquid crystalline solids. A number of original result
 s will be introduced.
LOCATION:Cambridge University Engineering Department\, LR5
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