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IEEE Trans Vis Comput Graph. 2008 Jul-Aug;14(4):797-804. doi: 10.1109/TVCG.2008.37.

Two-way coupled SPH and particle level set fluid simulation.

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Industrial Light & Magic, San Rafael, CA 94901, USA.


Grid-based methods have difficulty resolving features on or below the scale of the underlying grid. Although adaptive methods (e.g. RLE, octrees) can alleviate this to some degree, separate techniques are still required for simulating small-scale phenomena such as spray and foam, especially since these more diffuse materials typically behave quite differently than their denser counterparts. In this paper, we propose a two-way coupled simulation framework that uses the particle level set method to efficiently model dense liquid volumes and a smoothed particle hydrodynamics (SPH) method to simulate diffuse regions such as sprays. Our novel SPH method allows us to simulate both dense and diffuse water volumes, fully incorporates the particles that are automatically generated by the particle level set method in under-resolved regions, and allows for two way mixing between dense SPH volumes and grid-based liquid representations.

[Indexed for MEDLINE]

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