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A density-scaled continuum surface force model within a balanced force formulation

Yokoi, Kensuke 2014. A density-scaled continuum surface force model within a balanced force formulation. Journal of Computational Physics 278 , pp. 221-228. 10.1016/j.jcp.2014.08.034

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Abstract

We propose a numerical framework which can simulate free surface flows with complex moving interfaces like droplet splashing as minimizing spurious currents. The numerical framework is based on the CLSVOF (coupled level set and volume-of-fluid) method, the THINC/WLIC (tangent of hyperbola for interface capturing/weighted line interface calculation) scheme, multi-moment methods (CIP-CSL and VSIAM3) and density-scaled CSF (continuum surface force) model within a balanced force formulation. In this paper, we propose a level set based algorithm of the density-scaled balanced CSF model and show that the density-scaled balanced CSF model can reduce spurious currents more than the standard balanced CSF model without using the density-scaling when the exact curvature is not given. We also show that the numerical framework can well capture the physics of droplet splashing.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Advanced Research Computing @ Cardiff (ARCCA)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: CSF model; Density-scaling; CLSVOF method; Surface tension; Droplet splashing
Publisher: Elsevier
ISSN: 0021-9991
Date of Acceptance: 23 August 2014
Last Modified: 19 Aug 2019 14:52
URI: http://orca-mwe.cf.ac.uk/id/eprint/63870

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