Large eddy simulation of turbidity currents in a narrow channel with different obstacle configurations

D Goodarzi, K Sookhak Lari, E Khavasi, S Abolfathi - Scientific Reports, 2020 - nature.com
Turbidity currents are frequently observed in natural and man-made environments, with the
potential of adversely impacting the performance and functionality of hydraulic structures …

Axisymmetric three-dimensional gravity currents generated by lock exchange

R Inghilesi, C Adduce, V Lombardi, F Roman… - Journal of Fluid …, 2018 - cambridge.org
Unconfined three-dimensional gravity currents generated by lock exchange using a small
dividing gate in a sufficiently large tank are investigated by means of large eddy simulations …

Dynamics of gravity currents flowing up a slope and implications for entrainment

MC De Falco, L Ottolenghi, C Adduce - Journal of Hydraulic …, 2020 - ascelibrary.org
The dynamics of lock-release gravity currents flowing up a sloping bottom are investigated
by laboratory experiments. Both full-depth and partial-depth gravity currents are analyzed …

Entrainment, transport and deposition of sediment by saline gravity currents

J Zordan, C Juez, AJ Schleiss, MJ Franca - Advances in water resources, 2018 - Elsevier
Few studies have addressed simultaneously the feedback between the hydrodynamics of a
gravity current and the geomorphological changes of a mobile bed. Hydrodynamic …

Entrainment and mixing in lock-exchange gravity currents using simultaneous velocity-density measurements

S Balasubramanian, Q Zhong - Physics of Fluids, 2018 - pubs.aip.org
Gravity currents modify their flow characteristics by entraining ambient fluid, which depends
on a variety of governing parameters such as the initial density, Δρ, the total initial height of …

LES grid resolution requirements for the modelling of gravity currents

J Pelmard, S Norris, H Friedrich - Computers & Fluids, 2018 - Elsevier
The influence of the grid resolution on the large eddy simulation (LES) of a lock-exchange
turbidity current is investigated. The simulations are performed using a finite volume …

Non-intrusive density measurements in gravity currents interacting with an obstacle

C Adduce, MR Maggi, MC De Falco - Acta Geophysica, 2022 - Springer
Gravity currents are flows produced by a density difference between two fluids. Non-intrusive
density measurements, based on image analysis, are employed to measure the …

High-fidelity simulations of gravity currents using a high-order finite-difference spectral vanishing viscosity approach

RAS Frantz, G Deskos, S Laizet, JH Silvestrini - Computers & Fluids, 2021 - Elsevier
This numerical work investigates the potential of a high-order finite-difference spectral
vanishing viscosity approach to simulate gravity currents at high Reynolds numbers. The …

Numerical investigation of breaking internal solitary waves

G la Forgia, T Tokyay, C Adduce, G Constantinescu - Physical Review Fluids, 2018 - APS
High-resolution three-dimensional large-eddy simulations are used to investigate the effects
of internal solitary waves (ISWs) breaking over a sloping boundary. The lock release method …

Large eddy simulations of solitons colliding with intrusions

L Ottolenghi, C Adduce, F Roman, G la Forgia - Physics of Fluids, 2020 - pubs.aip.org
The dynamics of lock-release Intrusive Gravity Currents (IGCs) generating Internal Solitary
Waves (ISWs) are investigated by three-dimensional large eddy simulations. We set the …