Title:	BUBBLING IN LIQUIDS
Author(s):	H. Sato, Y. Kawaguchi
ISBN:	978-972-8939-48-9
Editors:	Yingcai Xiao
Year:	2011
Edition:	Single
Keywords:	Moving particle simulation (MPS), discrete element method (DEM), bubbles
Type:	Short Paper
First Page:	265
Last Page:	270
Language:	English
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Paper Abstract:	A technique has been developed to model gas in fluid on the basis of a moving particle simulation (MPS) method, using the example of bubbles rising in sodas that are dissolved in gas. The MPS method does not need grids, so can handle topology changes naturally, which is appropriate for animating fluids. Additionally, we applied a discrete element method (DEM) to the collision interaction of discrete bubbles. In addition, the motion of the discrete bubbles includes buoyancy, cohesive forces, and drag interactions with the liquid. Moreover, the amount of gas transferred from a continuum fluid model to the discrete bubble model at nucleation sites varies in accordance with the impact of collision between particles. The amount affects the size and shape of bubbles. As a result, our technique can animate the realistic pouring of a glass of sodas.
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