Particle Importance Based Fluid Simulation

Conference Paper · August 2009with4 Reads
DOI: 10.1109/CGIV.2009.40 · Source: DBLP
Conference: Sixth International Conference on Computer Graphics, Imaging and Visualization: New Advances and Trends, CGIV 2009, 11-14 August 2009, Tianjin, China


    We present a novel method using particle importance to accelerate the traditional smoothed particle hydrodynamics based fluid simulation. Reynolds number and vorticity are exploited as the new criteria to evaluate the importance for each particle. If a particle is unimportant, its current acceleration and velocity are used to update values in the next time step with the complex state updating step removed, in this way the computation time is saved. We also propose an improved surface tension model. The experiments demonstrate that this new method is not only easy to implement, but also greatly improves the simulation speed without visual quality sacrifice.