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BEGIN:VEVENT
DTSTAMP:20250110T023313Z
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:Technical Papers\n\nMohammad Sina Nabizadeh, Ritoban Roy-Chowd
 hury, Hang Yin, Ravi Ramamoorthi, and Albert Chern (University of Californ
 ia San Diego)\n\nWe propose Coadjoint Orbit FLIP (CO-FLIP), a high order a
 ccurate, structure preserving fluid simulation method in the hybrid Euleri
 an-Lagrangian framework. We start with a Hamiltonian formulation of the in
 compressible Euler Equations, and then, using a local, explicit, and high 
 order divergence free interpolation, construct a modified Hamiltonian syst
 em that governs our discrete Euler flow.  The resulting discretization, wh
 en paired with a geometric time integration scheme, is energy and circulat
 ion preserving (formally the flow evolves on a coadjoint orbit) and is sim
 ilar to the Fluid Implicit Particle (FLIP) method.  CO-FLIP enjoys multipl
 e additional properties 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 stability, energy, and Casimir preservation.  We show th
 at the method produces benchmarks and turbulent visual effects even at low
  grid resolutions.\n\nRegistration Category: Full Access, Full Access Supp
 orter\n\nLanguage Format: English Language\n\nSession Chair: Kui Wu (Light
 Speed Studios)
URL:https://asia.siggraph.org/2024/program/?id=papers_876&sess=sess144
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