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DTSTAMP:20250110T023312Z
LOCATION:Hall B7 (1)\, B Block\, Level 7
DTSTART;TZID=Asia/Tokyo:20241205T095800
DTEND;TZID=Asia/Tokyo:20241205T100900
UID:siggraphasia_SIGGRAPH Asia 2024_sess126_papers_609@linklings.com
SUMMARY:Trading Spaces: Adaptive Subspace Time Integration for Contacting 
 Elastodynamics
DESCRIPTION:Technical Papers\n\nTy Trusty (University of Toronto); Yun (Ra
 ymond) Fei (Adobe Research); David Levin (University of Toronto, NVIDIA Re
 search); and Danny Kaufman (Adobe Research)\n\nWe construct a subspace sim
 ulator that adaptively balances solution improvement against system size. 
 The core components of our simulator are an adaptive subspace oracle, mode
 l, and parallel time-step solver algorithm. Our in-time-step adaptivity or
 acle continually assesses subspace solution quality and candidate update p
 roposals while accounting for temporal variations in deformation and spati
 al variations in material. In turn our adaptivity model is subspace agnost
 ic. It allows application across subspace representations and expresses un
 restricted deformations independent of subspace choice. We couple our orac
 le and model with a custom-constructed parallel time-step solver for our e
 nriched systems that exposes a pair of user tolerances which provide contr
 ollable simulation quality. As tolerances are tightened our model converge
 s to full-space solutions (with expected cost increases). On the other han
 d, as tolerances are relaxed we obtain output-bound simulation costs. We d
 emonstrate the efficacy of our approach across a wide range of challenging
  nonlinear materials models, material stiffnesses, heterogeneities, dynami
 c behaviors, and frictionally contacting conditions, obtaining scalable an
 d efficient simulations of complex elastodynamic scenarios.\n\nRegistratio
 n Category: Full Access, Full Access Supporter\n\nLanguage Format: English
  Language\n\nSession Chair: Paul Kry (McGill University)
URL:https://asia.siggraph.org/2024/program/?id=papers_609&sess=sess126
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