Fluid Animation Using Sketching, Diffusion-Reaction and Lattice Boltzmann Models
2020
This work presents a methodology for two-dimensional fluid animation that is based on sketching techniques, along with diffusion-reaction equations and fluid simulation using the Lattice Boltzmann Method (LBM). In the initial stage, the framework converts the drawings made by the users into streamlines. From these lines it is generated a local velocity field, which is widespread throughout the fluid domain through diffusion-reaction techniques. The velocity field obtained at the end of the process is used to initialize the fluid simulation performed with LBM method. Our target applications are visual effects and computer graphics. In this sense, we present visual results involving theoretical and user interface issues which demonstrate the potential of the methodology developed for computational fluid animation.
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