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DTSTAMP:20260817T171532Z
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:Ty Trusty (University of Toronto); Yun (Raymond) Fei (Adobe Re
 search); David Levin (University of Toronto, NVIDIA Research); and Danny K
 aufman (Adobe Research)\n\nWe construct a subspace simulator that adaptive
 ly balances solution improvement against system size. The core components 
 of our simulator are an adaptive subspace oracle, model, and parallel time
 -step solver algorithm. Our in-time-step adaptivity oracle continually ass
 esses subspace solution quality and candidate update proposals while accou
 nting for temporal variations in deformation and spatial variations in mat
 erial. In turn our adaptivity model is subspace agnostic. It allows applic
 ation across subspace representations and expresses unrestricted deformati
 ons independent of subspace choice. We couple our oracle and model with a 
 custom-constructed parallel time-step solver for our enriched systems that
  exposes a pair of user tolerances which provide controllable simulation q
 uality. As tolerances are tightened our model converges to full-space solu
 tions (with expected cost increases). On the other hand, as tolerances are
  relaxed we obtain output-bound simulation costs. We demonstrate the effic
 acy of our approach across a wide range of challenging nonlinear materials
  models, material stiffnesses, heterogeneities, dynamic behaviors, and fri
 ctionally contacting conditions, obtaining scalable and efficient simulati
 ons of complex elastodynamic scenarios.\n\nRegistration Category: Full Acc
 ess, Full Access Supporter\n\nLanguage Format: English Language\n\nSession
  Chair: Paul Kry (McGill University)\n\n
URL:https://asia.siggraph.org/2024/program/?id=papers_609&sess=sess126
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