Grid convergence assessment for adaptive grid simulations of normal drop impacts onto liquid films in axi-symmetric and three-dimensional geometries

P. Brambilla, P. Brivio, A. Guardone and G. Romanelli

Applied Mathematics and Computation, 2015, vol. 267, issue C, 487-497

Abstract: Normal liquid drop impact on a liquid film is studied numerically using a modified OpenFOAM solver in three-spatial dimensions, in which dynamic grid refinement is modified to accurately describe the initial conditions before impact. Numerical simulations are found to accurately predict the evolution of the splashing lamella. A new procedure for assessing grid convergence is introduced, which is based on the definition of a hierarchical set of bounding boxes in which the total liquid volume is computed to assess global as well as local grid convergence.

Keywords: Drop impact dynamics; Two-phase flow; Dynamic grid refinement; OpenFOAM (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:267:y:2015:i:c:p:487-497

DOI: 10.1016/j.amc.2015.01.097

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