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Solid-Fluid Interaction on Particle Flow Maps
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DOI：10.1145/3687959.png)
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Abstract
En 中文
We propose a novel solid-fluid interaction method for coupling elastic solidswith impulse flow maps. Our key idea is to unify the representation offluid and solid components as particle flow maps with different lengths anddynamics. The solid-fluid coupling is enabled by implementing two novelmechanisms: first, we developed an impulse-to-velocity transfer mechanismto unify the exchanged physical quantities; second, we devised a particlepath integral mechanism to accumulate coupling forces along each flow-map trajectory. Our framework integrates these two mechanisms into anEulerian-Lagrangian impulse fluid simulator to accommodate traditionalcoupling models, exemplified by the Material Point Method (MPM) andImmersed Boundary Method (IBM), within a particle flow map framework.We demonstrate our method's efficacy by simulating solid-fluid interactionsexhibiting strong vortical dynamics, including various vortex shedding andinteraction examples across swimming, falling, breezing, and combustion.
Keywords:
IMMERSED BOUNDARY METHOD
MATERIAL POINT METHOD
FINITE-ELEMENT-METHOD
ELASTIC SOLIDS
HYDRODYNAMICS
DEFORMATION
SIMULATIONS
SYSTEMS
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9.5
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4.8K
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3.6W
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