Implementation of 3d vof tracking algorithm based on binary space-partitioning

Filip Kolařík, Bořek Patzák

Implementation of 3d vof tracking algorithm based on binary space-partitioning

Číslo: 2/2017
Periodikum: Acta Polytechnica
DOI: 10.14311/AP.2017.57.0105

Klíčová slova: free surface; two-fluid flow; VOF; Binary Space-Partitioning, Volný povrch; Průtok dvou kapalin; Binární prostorové dělení

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Anotace: The paper focuses on modelling free surface flow. The interface is modelled using the Volume-Of-Fluid method, where the advection of volume fractions is treated by a purely geometrical method. The novelty of the work lies in the way that it incorporates Binary Space-Partitioning trees for computing the intersections of polyhedra. Volume-conserving properties and shape-preserving properties are presented on two benchmarks and on a simulation of the famous broken dam problem.