High-resolution simulations of particle-driven gravity currents

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Turbidity Currents and Their Deposits (2010, background): “To avoid the uncertainties associated with determining empirical constants in Reynoldsaveraged Navier-Stokes models, Necker et al. (2002) explore much smaller, laboratory-scale flows in the lock-exchange configuration via highly resolved, three-dimensional DNS (Figure 2b).”
On the front velocity of gravity currents (2007, methodology): “…gravity current’s front and the maximum spreading distance has motivated the development of relatively simple models (Allen 1985) all the way to detailed simulations (Lee & Wilhelmson 1997a , b; Härtel, Meiburg & Necker 2000b; Necker et al. 2002, 2005; Özgökmen et al. 2004; Cantero et al. 2006).”
An Introduction to Gravity Currents and Intrusions (2009, methodology): “This trend is consistent with the observation of Necker et al. (2005) that higher levels of kinetic energy are associated with larger values of viscous dissipation.”