Journal
ACM TRANSACTIONS ON GRAPHICS
Volume 35, Issue 4, Pages -Publisher
ASSOC COMPUTING MACHINERY
DOI: 10.1145/2897824.2925899
Keywords
liquids; surface tension; boundary element method; Helmholtz decomposition
Categories
Funding
- Div Of Information & Intelligent Systems
- Direct For Computer & Info Scie & Enginr [1319483] Funding Source: National Science Foundation
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We propose a novel surface-only technique for simulating incompressible, inviscid and uniform-density liquids with surface tension in three dimensions. The liquid surface is captured by a triangle mesh on which a Lagrangian velocity field is stored. Because advection of the velocity field may violate the incompressibility condition, we devise an orthogonal projection technique to remove the divergence while requiring the evaluation of only two boundary integrals. The forces of surface tension, gravity, and solid contact are all treated by a boundary element solve, allowing us to perform detailed simulations of a wide range of liquid phenomena, including waterbells, droplet and jet collisions, fluid chains, and crown splashes.
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