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DTSTAMP:20250110T023312Z
LOCATION:Hall B5 (1)\, B Block\, Level 5
DTSTART;TZID=Asia/Tokyo:20241203T165300
DTEND;TZID=Asia/Tokyo:20241203T170500
UID:siggraphasia_SIGGRAPH Asia 2024_sess109_papers_192@linklings.com
SUMMARY:Optimized shock-protecting microstructures
DESCRIPTION:Technical Papers\n\nZizhou Huang, Daniele Panozzo, and Denis Z
 orin (New York University)\n\nMechanical shock is a common occurrence in v
 arious settings, there are two different scenarios for shock protection: c
 atastrophic protection (e.g. car collisions and falls) and routine protect
 ion (e.g. shoe soles and mattresses). The former protects against one-time
  events, the latter against periodic shocks and loads. Common shock absorb
 ers based on plasticity and fracturing materials are suitable for the form
 er, while our focus is on the latter, where elastic structures are useful.
  Improved elastic materials protecting against shock can be used in applic
 ations such as automotive suspension, furniture like sofas and mattresses,
  landing gear systems, etc. Materials offering optimal protection against 
 shock have a highly non-linear elastic response: their reaction force need
 s to be as close as possible to constant with respect to deformation.  \n\
 nIn this paper, we use shape optimization and topology search to design 2D
  families of microstructures approximating the ideal behavior across a ran
 ge of deformations, leading to superior shock protection. We present an al
 gorithmic pipeline for the optimal design of such families combining diffe
 rentiable nonlinear homogenization with self-contact and an optimization a
 lgorithm. We validate the effectiveness of our advanced 2D designs by extr
 uding and fabricating them with 3D printing technologies and performing ma
 terial and drop testing.\n\nRegistration Category: Full Access, Full Acces
 s Supporter\n\nLanguage Format: English Language\n\nSession Chair: Haisen 
 Zhao (Shandong University)
URL:https://asia.siggraph.org/2024/program/?id=papers_192&sess=sess109
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