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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 ...
Power Diagrams and Sparse Paged Grids for High Resolution Adaptive Liquids
(Association for Computing Machinery, 2017-07-20)
We present an efficient and scalable octree-inspired fluid simulation framework with the flexibility to leverage adaptivity in any part of the computational domain, even when resolution transitions reach the free surface. ...