A Numerical Simulation of a Plunging Breaking Wave
Paul Adams, Kevin George, Mike Stephens, Kyle A. Brucker, Thomas, O'Shea, Douglas Dommermuth
TL;DR
This paper presents a numerical simulation of a deep-water plunging breaking wave using a Volume of Fluid method, capturing air entrainment and vortex structures without considering surface tension or viscosity effects.
Contribution
It introduces a two-phase VOF simulation of a plunging wave, demonstrating detailed fluid interface dynamics and vortex formation.
Findings
Observation of significant air entrainment
Visualization of stream-wise vortex structures
Effective simulation of wave breaking dynamics
Abstract
This article describes the fluid dynamics video, "A Numerical Simulation of a Plunging Breaking Wave", which was submitted to the gallery of fluid motion at the 2009 APS/DFD conference. The simulation was of a deep-water plunging breaking wave. It was a two-phase calculation which used a Volume of Fluid (VOF) method to simulate the interface between the two immiscible fluids. Surface tension and viscous effects were not considered. The initial wave was generated by applying a spatio-temporal pressure forcing on the free surface. The video shows the 50% isocontour of the volume fraction from several different perspectives. Significant air entrainment is observed as well as the presence of stream-wise vortex structures.
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