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Codimensional Non-Newtonian Fluids

Codimensional Non-Newtonian Fluids Researchers from Stanford University have made available the paper they’ll presenting at this year’s SIGGRAPH on their method to simulate codimensional non-Newtonian fluids, along with a number of videos.

We present a novel method to simulate codimensional non-Newtonial fluids on simplicial complexes. Our method extends previous work for codimensional incompressible flow to various types of non-Newtonian fluids including both shear thinning and thickening, Bingham plastics, and elasotoplastics. We propose as novel time integration scheme for semi-implicitly treating elasticity, which when combined with a semi-implicitly method for variable viscosity alleviates the need for small time steps. Furthermore, we propose an improved treatment of viscosity on the rims of thin fluid sheets that allows us to capture their elusive, visually appealing twisting motion.