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DTSTAMP:20260417T190050Z
LOCATION:West Building\, Rooms 220-222
DTSTART;TZID=America/Los_Angeles:20250812T140000
DTEND;TZID=America/Los_Angeles:20250812T153000
UID:siggraph_SIGGRAPH 2025_sess147@linklings.com
SUMMARY:Stable & Accurate Elasticity
DESCRIPTION:Variational Elastodynamic Simulation\n\nThis paper shows how t
 o express variational time integration for a large class of elastic energi
 es as an optimization problem with a “hidden” convex substructure. Our int
 egrator improves the performance of elastic simulation tasks, while conser
 ving physical invariants up to tolerance/num...\n\n\nLeticia Mattos Da Sil
 va (Massachusetts Institute of Technology (MIT)); Silvia Sellán (Massachus
 etts Institute of Technology (MIT), Columbia University); and Natalia Pach
 eco-Tallaj and Justin Solomon (Massachusetts Institute of Technology (MIT)
 )\n---------------------\nOptimal r-Adaptive In-Timestep Remeshing for Ela
 stodynamics\n\nWe propose a coupled mesh-adaptation model and physical sim
 ulation algorithm to jointly generate, per timestep, optimal adaptive reme
 shings and implicit solutions for the simulation of frictionally contactin
 g, large-deformation elastica.\n\n\nJiahao Wen (University of Southern Cal
 ifornia, Adobe Research); Jernej Barbic (University of Southern California
 ); and Danny Kaufman (Adobe Research)\n---------------------\nStable & Acc
 urate Elasticity - Interactive Discussion\n\nAfter the summary presentatio
 ns, attendees will participate in an interactive discussion. Outside the r
 oom will be a series of poster boards for authors to gather around with th
 e audience. Authors are invited to bring any material related to their pap
 er that could instigate further conversation such...\n\n------------------
 ---\nAugmented Vertex Block Descent\n\nWe extend the Vertex Block Descent 
 method for fast and unconditionally stable physics-based simulation using 
 an Augmented Lagrangian formulation to enable simulating hard constraints 
 with infinite stiffness and systems with high stiffness ratios. This allow
 s simulating complex contact scenarios invo...\n\n\nChris Giles (Roblox) a
 nd Elie Diaz and Cem Yuksel (University of Utah)\n---------------------\nS
 table Cosserat Rods\n\nCosserat rods have become increasingly popular for 
 simulating complex thin elastic rods. However, traditional approaches ofte
 n encounter significant challenges in robustly and efficiently solving for
  valid quaternion orientations. We introduce Stable Cosserat rods, which c
 an achieve high accuracy wi...\n\n\nJerry Hsu (University of Utah), Tongto
 ng Wang and Kui Wu (LightSpeed Studios), and Cem Yuksel (University of Uta
 h)\n---------------------\nFast But Accurate: A Real-Time Hyperelastic Sim
 ulator with Robust Frictional Contact\n\nThis paper presents a GPU-friendl
 y framework for real-time implicit simulation of hyperelastic materials wi
 th frictional contacts. Utilizing a novel splitting strategy and efficient
  solver, the approach achieves robust, high-performance simulation across 
 various stiffness materials, handling large d...\n\n\nZiqiu Zeng (Universi
 ty of Strasbourg; Centre for Artificial Intelligence and Robotics, Hong Ko
 ng, CAS); Siyuan Luo and Fan Shi (National University of Singapore); and Z
 hongkai Zhang (Centre for Artificial Intelligence and Robotics, Hong Kong,
  CAS)\n---------------------\nANIME-Rod: Adjustable Nonlinear Isotropic Ma
 terials for Elastic Rods\n\nWe derive a nonlinear elastic rod energy, star
 ting from a general 3D volumetric isotropic material. Validated against FE
 M, we accurately capture rod stretching, bending and twisting, under finit
 e deformations. We also propose how to separately control linear/nonlinear
  stretchability/bendability/twis...\n\n\nHuanyu Chen, Jiahao Wen, and Jern
 ej Barbič (University of Southern California)\n\nInterest Area: Research &
  Education\n\nRecording: Livestreamed, Not Livestreamed, Recorded, Not Rec
 orded\n\nRegistration Category: Full Conference, Virtual Access, Tuesday\n
 \nSession Chair: Teseo Schneider (University of Victoria)
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