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On algebraic TVD-VOF methods for tracking material interfaces

Articolo
Data di Pubblicazione:
2019
Abstract:
We revisit simple algebraic VOF methods for advection of material interfaces based of the well established TVD paradigm. We show that greatly improved representation of contact discontinuities is obtained through use of a novel CFL-dependent limiter whereby the classical TVD bounds are exceeded. Perfectly crisp numerical interfaces are obtained with very limited numerical atomization (flotsam and jetsam) as compared to previous SLIC schemes. Comparison of the algorithm with accurate geometrical VOF shows larger error at given mesh resolution, but comparable efficiency when the reduced computational cost is accounted for.
Tipologia CRIS:
01.01 Articolo in rivista
Keywords:
Volume of Fluids; multiphase flows; numerical methods; Computational fluid dynamics
Elenco autori:
Iafrati, Alessandro
Autori di Ateneo:
IAFRATI ALESSANDRO
Link alla scheda completa:
https://iris.cnr.it/handle/20.500.14243/393607
Pubblicato in:
COMPUTERS & FLUIDS
Journal
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URL

https://www.sciencedirect.com/science/article/abs/pii/S0045793018308132
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