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BEGIN:VEVENT
DTSTAMP:20260817T171530Z
LOCATION:Hall B7 (1)\, B Block\, Level 7
DTSTART;TZID=Asia/Tokyo:20241206T114300
DTEND;TZID=Asia/Tokyo:20241206T115400
UID:siggraphasia_SIGGRAPH Asia 2024_sess144_papers_876@linklings.com
SUMMARY:Fluid Implicit Particles on Coadjoint Orbits
DESCRIPTION:Mohammad Sina Nabizadeh, Ritoban Roy-Chowdhury, Hang Yin, Ravi
  Ramamoorthi, and Albert Chern (University of California San Diego)\n\nWe 
 propose Coadjoint Orbit FLIP (CO-FLIP), a high order accurate, structure p
 reserving fluid simulation method in the hybrid Eulerian-Lagrangian framew
 ork. We start with a Hamiltonian formulation of the incompressible Euler E
 quations, and then, using a local, explicit, and high order divergence fre
 e interpolation, construct a modified Hamiltonian system that governs our 
 discrete Euler flow.  The resulting discretization, when paired with a geo
 metric time integration scheme, is energy and circulation preserving (form
 ally the flow evolves on a coadjoint orbit) and is similar to the Fluid Im
 plicit Particle (FLIP) method.  CO-FLIP enjoys multiple additional propert
 ies including that the pressure projection is exact in the weak sense, and
  the particle-to-grid transfer is an exact inverse of the grid-to-particle
  interpolation. The method is demonstrated numerically with outstanding st
 ability, energy, and Casimir preservation.  We show that the method produc
 es benchmarks and turbulent visual effects even at low grid resolutions.\n
 \nRegistration Category: Full Access, Full Access Supporter\n\nLanguage Fo
 rmat: English Language\n\nSession Chair: Kui Wu (LIGHTSPEED)\n\n
URL:https://asia.siggraph.org/2024/program/?id=papers_876&sess=sess144
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