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An adaptive variational finite difference framework for efficient symmetric octree viscosity
While pressure forces are often the bottleneck in (near-)inviscid fluid simulations, viscosity can impose orders of magnitude greater computational costs at lower Reynolds numbers. We propose an implicit octree finite ...
An Efficient Geometric Multigrid Solver for Viscous Liquids
We present an efficient geometric Multigrid solver for simulating viscous liquids based on the variational approach of Batty and Bridson . Although the governing equations for viscosity are elliptic, the strong ...
Variational Stokes: A Unified Pressure-viscosity Solver for Accurate Viscous Liquids
(Association for Computing Machinery, 2017-07-20)
We propose a novel unsteady Stokes solver for coupled viscous and pressure forces in grid-based liquid animation which yields greater accuracy and visual realism than previously achieved. Modern fluid simulators treat ...