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TZID:Asia/Tokyo
X-LIC-LOCATION:Asia/Tokyo
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TZOFFSETFROM:+0900
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DTSTART:18871231T000000
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BEGIN:VEVENT
DTSTAMP:20250110T023313Z
LOCATION:Hall B7 (1)\, B Block\, Level 7
DTSTART;TZID=Asia/Tokyo:20241206T111900
DTEND;TZID=Asia/Tokyo:20241206T113100
UID:siggraphasia_SIGGRAPH Asia 2024_sess144_papers_797@linklings.com
SUMMARY:An Impulse Ghost Fluid Method for Simulating Two-Phase Flows
DESCRIPTION:Technical Papers\n\nYuchen Sun (Georgia Institute of Technolog
 y); Linglai Chen (Harvard University); Weiyuan Zeng (Zhejiang University);
  Tao Du (Tsinghua University, Shanghai Qi Zhi Institute); Shiying Xiong (Z
 hejiang University); and Bo Zhu (Georgia Institute of Technology)\n\nThis 
 paper introduces a two-phase interfacial fluid model based on the impulse 
 variable to capture complex vorticity-interface interactions. Our key idea
  is to leverage bidirectional flow map theory to enhance the transport acc
 uracy of both vorticity and interfaces simultaneously and address their co
 upling within a unified Eulerian framework. At the heart of our framework 
 is an impulse ghost fluid method to solve the two-phase incompressible flu
 id characterized by its interfacial dynamics. To deal with the history-dep
 endent jump of gauge variables across a dynamic interface, we develop a no
 vel path integral formula empowered by spatiotemporal buffers to convert t
 he history-dependent jump condition into a geometry-dependent jump conditi
 on when projecting impulse to velocity. \n\nWe demonstrate the efficacy of
  our approach in simulating and visualizing several interface-vorticity in
 teraction problems with cross-phase vortical evolution, including interfac
 ial whirlpool, vortex ring reflection, and leapfrogging bubble rings.\n\nR
 egistration Category: Full Access, Full Access Supporter\n\nLanguage Forma
 t: English Language\n\nSession Chair: Kui Wu (LightSpeed Studios)
URL:https://asia.siggraph.org/2024/program/?id=papers_797&sess=sess144
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