Topic
Volume of fluid method
About: Volume of fluid method is a research topic. Over the lifetime, 5338 publications have been published within this topic receiving 116760 citations.
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TL;DR: In this paper, three surface tension models are investigated within the Volume-of-Fluid code Free Surface 3D: unbalanced Continuum Surface Force, continuoustime surface stress, and balanced Continuity Surface Force with height functions, where the latter was adapted to the simulation of laminar falling films.
30 citations
TL;DR: In this paper, the axisymmetric formation of drops of Newtonian liquid injected from a vertical orifice under constant flow conditions into the ambient air was investigated over a range of the Ohnesorge number O h = 0.01, 0.13, and the Bond number B o = 0.
30 citations
TL;DR: In this paper, a slender rod is considered as the solid body which has a sharp edged disk at thenose as a cavitator and special ports for air ventilation for ventilated supercavities are studied both numerically and experimen-tally.
Abstract: In this paper, the ventilated supercavities are studied both numerically and experimen-tally. A slender rod is considered as the solid body which has a sharp edged disk at thenose as a cavitator and special ports for air ventilation. The experiments are conductedin a recirculating water tunnel. The simulations are provided for two different algorithmsin free-surface treatment, both using the VOF method but one using Youngs’ algorithm inthe advection of the free-surface and the other without. The comparison between numeri-cal simulations and experiments show that the numerical method using Youngs’ algo-rithm accurately simulates the physics of ventilated cavitation phenomena such as thecavity shape, the gas leakage and the re-entrant jet. [DOI: 10.1115/1.4027383]Keywords: ventilated cavitation, numerical, water tunnel, volume of fluid, Youngs’method
30 citations
TL;DR: In this paper, the transformation of waves groups in a medium water of coastal zone towards breaking point is investigated in two dimensional case, where the fluid flow is assumed to be viscous and incompressible, and the turbulence effect has been considered in wave evolution using a two equation k- e model.
30 citations
TL;DR: A novel numerical approach for solution of the Navier--Stokes equations for free surface flows involving two-way fluid-solid interaction in arbitrary domains, based on the full particle particle-in-cell (PIC) method applied to incompressible flows is detailed.
Abstract: This paper details a novel numerical approach for solution of the Navier--Stokes equations for free surface flows involving two-way fluid-solid interaction in arbitrary domains. The approach, which is hybrid Eulerian Lagrangian in nature, is based on the full particle particle-in-cell (PIC) method applied to incompressible flows. An extension of the distributed Lagrange multiplier (DLM) technique proposed by Patankar et al. [Int. J. Multiphase Flow, 26 (2000), pp. 1509--1524] is employed for the two-way fluid-solid coupling. The resulting code is called PICIN. Solid bodies can be mobile, either having prescribed motion or moving as a consequence of interaction with the fluid. Numerical results for three distinct example applications of the model in two spatial dimensions are given. A comparison of PICIN predictions with state-of-the-art numerical results of other researchers is made for each of the test cases presented.
30 citations