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Your search keyword '"Ouillon, Raphael"' showing total 2 results
Start Over Author "Ouillon, Raphael" Topic fluid flow
2 results on '"Ouillon, Raphael"'

1. Settling-driven large-scale instabilities in double-diffusive convection

Author

Ouillon, Raphael, Edel, Philip, Garaud, Pascale, and Meiburg, Eckart

Subjects
Fluid Mechanics and Thermal Engineering, Engineering, double diffusive convection, stratified flows, particle, fluid flow, Mathematical Sciences, Fluids & Plasmas, Mathematical sciences
Abstract

Abstract:

Published
2020

2. High-resolution simulations of turbidity currents.

Author

Biegert, Edward, Vowinckel, Bernhard, Ouillon, Raphael, and Meiburg, Eckart

Subjects
TURBIDITY currents, NUMERICAL solutions to Navier-Stokes equations, COMPUTER simulation, MATHEMATICAL complexes, FLUID flow
Abstract

We employ direct numerical simulations of the three-dimensional Navier-Stokes equations, based on a continuum formulation for the sediment concentration, to investigate the physics of turbidity currents in complex situations, such as when they interact with seafloor topography, submarine engineering infrastructure and stratified ambients. In order to obtain a more accurate representation of the dynamics of erosion and resuspension, we have furthermore developed a grain-resolving simulation approach for representing the flow in the high-concentration region near and within the sediment bed. In these simulations, the Navier-Stokes flow around each particle and within the pore spaces of the sediment bed is resolved by means of an immersed boundary method, with the particle-particle interactions being taken into account via a detailed collision model. [ABSTRACT FROM AUTHOR]

Published
2017
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