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DTSTAMP:20260114T163649Z
LOCATION:Meeting Room C4.9+C4.10\, Level 4 (Convention Centre)
DTSTART;TZID=Australia/Melbourne:20231212T140000
DTEND;TZID=Australia/Melbourne:20231212T141500
UID:siggraphasia_SIGGRAPH Asia 2023_sess141_papers_465@linklings.com
SUMMARY:C-shells: Deployable Gridshells with Curved Beams
DESCRIPTION:Quentin Becker, Seiichi Suzuki, and Yingying Ren (EPFL); David
 e Pellis (ISTI - CNR); Julian Panetta (University of California Davis); an
 d Mark Pauly (EPFL)\n\nWe introduce a computational pipeline for simulatin
 g and designing C-shells, a new class of planar-to-spatial deployable link
 age structures. A C-shell is composed of curved flexible beams connected a
 t rotational joints that can be assembled in a stress-free planar configur
 ation. When actuated, the elastic beams deform and the assembly deploys to
 wards the target 3D shape.\n\nWe propose two alternative computational des
 ign approaches for C-shells: (i) Forward exploration simulates the deploye
 d shape from a planar beam layout provided by the user. Once a satisfactor
 y overall shape is found, a subsequent design optimization adapts the beam
  geometry to reduce the elastic energy of the linkage while preserving the
  target shape.\n(ii) Inverse design is facilitated by a new geometric flat
 tening method that takes a  design surface as input and computes an initia
 l layout of piecewise straight linkage beams. Our design optimization algo
 rithm then calculates the smooth curved beams to best reproduce the target
  shape at minimal elastic energy.\n\nWe find that C-shells offer a rich sp
 ace for design and show several studies that highlight new shape topologie
 s that cannot be achieved with existing deployable linkage structures.\n\n
 Registration Category: Full Access\n\nSession Chair: Weiwei Xu (State Key 
 Laboratory of CAD&CG, Zhejiang University)\n\n
URL:https://asia.siggraph.org/2023/full-program?id=papers_465&sess=sess141
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