Material Based Splashing of Water Drops

dc.contributor.authorGarg, Kshitizen_US
dc.contributor.authorKrishnan, Gurunandan G.en_US
dc.contributor.authorNayar, Shree K.en_US
dc.contributor.editorJan Kautz and Sumanta Pattanaiken_US
dc.description.abstractThe splashing of a water drop is a fascinating phenomenon that results from a variety of complex interactions between the drop and the material it impacts. In general, the distribution of droplets of a splash depends on the drop size and velocity; the surface roughness, rigidity, and wetness; and the angle of impact. Given the number of factors involved, it is difficult to develop an analytical model for the splash distribution. Instead, we take an empirical approach. We have measured the splashing behaviors of 22 different materials that are commonly found in the real world. These materials can be broadly classified as rough (e.g., wood and brick), smooth (e.g., marble and glass), flexible (e.g., silk and paper), and miscellaneous (e.g., water and moss). We have developed a stochastic model for splash distribution that builds upon empirical models previously developed in fluid dynamics and meteorology. Our model is simple and only requires 7 coefficients for generating splashes for head-on impact for a material. A more general model for generating splashes for arbitrary impact angles (due to surface inclination or wind) requires 54 coefficients. The models of different materials may be combined to generate physically plausible splashes for novel materials that have not been measured. Our model is applicable for rendering splashes due to rain as well as water drops falling from large heights such as windowsills, trees, and rooftops.en_US
dc.description.seriesinformationRendering Techniquesen_US
dc.publisherThe Eurographics Associationen_US
dc.titleMaterial Based Splashing of Water Dropsen_US
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