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A continuum method for modeling surface tension (1992)

Brackbill, J. U. ; Zemach, C. ; Kothe, D. B.

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Publication Date: 2019-07-12

Description: In the novel method presented for modeling the effects of surface tension on fluid motion, the interfaces between fluids with different, color-represented properties are finite-thickness transition regions across which the color varies continuously. A force density proportional to the surface curvature of constant color is defined at each point in the transition region; this force-density is normalized in such a way that the conventional description of surface tension on an interface is recovered when the ratio of local transition-reion thickness to local curvature radius approaches zero. The properties of the method are illustrated by computational results for 2D flows.

Keywords: FLUID MECHANICS AND HEAT TRANSFER

Type: Journal of Computational Physics (ISSN 0021-9991); 100; 2 Ju

Format: text

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