2005
DOI: 10.1016/j.advwatres.2005.03.002
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Wind effect in turbulence parametrization

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Cited by 7 publications
(9 citation statements)
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“…The latter resembles closely the standard parabolic profile, except that it achieves a finite non-zero value at the free surface. As illustrated by Colombini & Stocchino (2005), the use of such a profile is reasonable when pure wind-driven flows are considered. Therefore, the vertical profile of the dimensionless kinematic eddy viscosity reads denotes the scale of the local friction velocity exerted by the current, considering the flow field over a flat bed with a spatially homogeneous distributed bottom composition.…”
Section: Hydrodynamic Problemmentioning
confidence: 99%
“…The latter resembles closely the standard parabolic profile, except that it achieves a finite non-zero value at the free surface. As illustrated by Colombini & Stocchino (2005), the use of such a profile is reasonable when pure wind-driven flows are considered. Therefore, the vertical profile of the dimensionless kinematic eddy viscosity reads denotes the scale of the local friction velocity exerted by the current, considering the flow field over a flat bed with a spatially homogeneous distributed bottom composition.…”
Section: Hydrodynamic Problemmentioning
confidence: 99%
“…Then, it was possible to detect the influence of the different types of bottom boundary conditions relative to the velocities and to the turbulent quantities. The second one is a wind driven circulation in a closed basin, a well studied problem (see for example [31,32]) characterised by two turbulence scales that are the friction velocities at the bottom u * b and at the free surface u * s . In addition, this benchmark is used to test and compare the different turbulence closures.…”
Section: Description Of the Test Casesmentioning
confidence: 99%
“…The analogy between the wind driven circulation in closed basins and the turbulent Couette-Poiseuille flows has been already discussed in [31], and a detail analysis of the characteristics of these flows can be found in the cited study. In the present context, the wind-driven circulation can be a useful benchmark for the model at hand, owing to the variety of vertical profiles of longitudinal velocity that can be encountered in a simple geometry, such as a closed basin.…”
Section: Description Of the Test Casesmentioning
confidence: 99%
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“…In a more complete implementation, higher order interpolation methods should be used in the semi-Lagrangian scheme (see, e.g., Baudisch et al, 2006), along with an appropriate horizontal viscosity model. On the other hand, the algebraic eddy viscosity model derived in Colombini and Stocchino (2005) has been employed for the vertical viscosity terms.…”
Section: The Hydrodynamic Model and Its Numerical Discretizationmentioning
confidence: 99%