BEGIN:VCALENDAR VERSION:2.0 PRODID:Linklings LLC BEGIN:VTIMEZONE TZID:America/Los_Angeles X-LIC-LOCATION:America/Los_Angeles BEGIN:DAYLIGHT TZOFFSETFROM:-0800 TZOFFSETTO:-0700 TZNAME:PDT DTSTART:19700308T020000 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0700 TZOFFSETTO:-0800 TZNAME:PST DTSTART:19701101T020000 RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT 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) END:VEVENT END:VCALENDAR