A GPU-resident method uses local ray casting through spatial bins to voxelize and refine around stationary triangle meshes in forest-of-octrees grids, supporting accurate interpolated bounce-back boundaries for LBM with modest overhead.
Jasak, Openfoam: open source cfd in research and industry, International Journal of Naval Architecture and Ocean Engineering 1 (2) (2009) 89–94
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GPU-native Embedding of Complex Geometries in Adaptive Octree Grids Applied to the Lattice Boltzmann Method
A GPU-resident method uses local ray casting through spatial bins to voxelize and refine around stationary triangle meshes in forest-of-octrees grids, supporting accurate interpolated bounce-back boundaries for LBM with modest overhead.