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DTSTAMP:20260817T171516Z
LOCATION:Hall C\, C Block\, Level 4
DTSTART;TZID=Asia/Tokyo:20241203T090000
DTEND;TZID=Asia/Tokyo:20241203T120000
UID:siggraphasia_SIGGRAPH Asia 2024_sess223_papers_840@linklings.com
SUMMARY:Tencers: Tension-Constrained Elastic Rods
DESCRIPTION:Liliane-Joy Dandy, Michele Vidulis, Yingying Ren, and Mark Pau
 ly (EPFL)\n\nWe study ensembles of elastic rods that are tensioned by a sm
 all set of inextensible cables. The cables induce forces that deform the i
 nitially straight, but flexible rods into 3D space curves at equilibrium. 
 Rods can be open or closed, knotted, and arranged in arbitrary topologies.
  We specifically focus on equilibrium states with no contacts among rods. 
 Our setup can thus be seen as a generalization of classical tensegrities t
 hat are composed of rigid rods and tensile cables, to also support rods th
 at elastically deform. We show how this generalization leads to a rich des
 ign space, where complex target shapes can be achieved with a small set of
  elastic rods. To explore this space, we present an inverse design optimiz
 ation algorithm that solves for the length and placement of cables such th
 at the equilibrium state of the rod network best approximates a given set 
 of input curves. We introduce appropriate sparsity terms to minimize the n
 umber of required cables, which significantly simplifies fabrication. Usin
 g our algorithm, we explore new classes of bending-active 3D structures, i
 ncluding elastic tensegrity knots that only require a few internal cables.
  We design and fabricate several physical models from basic materials that
  attain complex 3D shapes with unique structural properties.\n\nRegistrati
 on Category: Enhanced Access, Full Access, Full Access Supporter\n\nLangua
 ge Format: English Language\n\n
URL:https://asia.siggraph.org/2024/program/?id=papers_840&sess=sess123
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