Search Results - "Lacaze, Laurent"

Modeling Open Channel Flows of a Viscous Fluid: Critical Transition and Apparent Bottom by Boghi, Andrea, Thual, Olivier, Lacaze, Laurent

“…The Shallow Water model (SWM) provides a simplification of the Navier–Stokes model (NSM) for stratified flows over a topography when the depth of the fluid…”
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Modelling the normal bouncing dynamics of spheres in a viscous fluid by Izard, Edouard, Lacaze, Laurent, Bonometti, Thomas

“…Bouncing motions of spheres in a viscous fluid are numerically investigated by an immersed boundary method to resolve the fluid flow around solids which is…”
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A semi-empirical formula of beach slope on flat lower platforms by Mingo, Ivana M., Lacaze, Laurent, Almar, Rafael

“…The beach slope β is a key component characterizing the coastal response to wave forcing. Here we investigate the rapid adaptation of the upper beach slope to…”
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Model of bores interaction in the swash by Barale, José, Lacaze, Laurent, Astruc, Dominique, Almar, Rafael, Almeida, Luis Pedro

“…This paper examines the impact of wave interactions in the inner-surf zone, including the swash, on shoreline excursion dynamics. Specifically, the study…”
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Axisymmetric granular collapse: a transient 3D flow test of viscoplasticity by Lacaze, Laurent, Kerswell, Rich R

“…A viscoplastic continuum theory has recently been proposed to model dense, cohesionless granular flows [P. Jop, Nature (London) 441, 727…”
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Physical Model of Landslide‐Generated Impulse Waves: Experimental Investigation of the Wave‐Granular Flow Coupling by Darvenne, Abigaël, Viroulet, Sylvain, Lacaze, Laurent

“…Large amplitude and unexpected waves are a regular source of natural disasters. Among them, impulse waves generated by landslides can represent a significant…”
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A simple immersed-boundary method for solid–fluid interaction in constant- and stratified-density flows by Bigot, Barbara, Bonometti, Thomas, Lacaze, Laurent, Thual, Olivier

“…•We report about a IBM method for solid–fluid interaction in stratified fluids.•The treatment of the solid–fluid interaction is simple and easy to…”
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Surf and Swash Dynamics on Low Tide Terrace Beaches by Mingo, Ivana M., Almar, Rafael, Lacaze, Laurent

“…Low tide terrace (LLT) beaches are characterised by a moderately steep beach face and a flat shallow terrace influencing the local hydro-morphodynamics during…”
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The influence of localised size reorganisation on short-duration bidispersed granular flows by Degaetano, Michela, Lacaze, Laurent, Phillips, Jeremy C.

“…We investigate experimentally the runout resulting from the collapse of a granular column containing two particle species that differ in size only. The…”
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Steady and unsteady shear flows of a viscoplastic fluid in a cylindrical Couette cell by Lacaze, L., Filella, A., Thual, O.

“…[Display omitted] •PIV measurements of a viscoplastic fluid flow in a “large” gap Couette cell.•Steady and unsteady shear flows dynamics are…”
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Sediment transport and bedforms: a numerical study of two-phase viscous shear flow by Charru, F., Bouteloup, J., Bonometti, T., Lacaze, L.

“…After a quick overview of recent research on sediment transport by shear flow and ripple and dune formation, original numerical results are presented from…”
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Tidal instability in stellar and planetary binary systems by Le Bars, M., Lacaze, L., Le Dizès, S., Le Gal, P., Rieutord, M.

“…In this paper, we combine theoretical and experimental approaches to study the tidal instability in planetary liquid cores and stars. We demonstrate that…”
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Experimental characterization of the 3D dynamics of a laminar shallow vortex dipole by Lacaze, Laurent, Brancher, Pierre, Eiff, Olivier, Labat, Ludovic

“…Experimental results on the dynamics of a vortex dipole evolving in a shallow fluid layer are presented. In particular, the generation of a spanwise vortex at…”
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A three-dimensional experimental investigation of the structure of the spanwise vortex generated by a shallow vortex dipole by Albagnac, Julie, Moulin, Frederic Y., Eiff, Olivier, Lacaze, Laurent, Brancher, Pierre

“…The three-dimensional dynamics of shallow vortex dipoles is investigated by means of an innovative three-dimensional, three-component (3D-3C) scanning PIV…”
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Wave patterns generated by an axisymmetric obstacle in a two-layer flow by Lacaze, L., Paci, A., Cid, E., Cazin, S., Eiff, O., Esler, J. G., Johnson, E. R.

“…Gravity waves generated by a moving obstacle in a two-layer stratified fluid are investigated. The experimental configuration is three-dimensional with an…”
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A stereoscopic method for rapid monitoring of the spatio-temporal evolution of the sand-bed elevation in the swash zone by Astruc, D., Cazin, S., Cid, E., Eiff, O., Lacaze, L., Robin, P., Toublanc, F., Cáceres, I.

“…A stereoscopic technique is developed in order to measure the sand-bed elevation in the swash zone at the wave time-scale. The present technique allows one to…”
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Fluid boundary of a viscoplastic Bingham flow for finite solid deformations by Thual, O., Lacaze, L.

“…The modelling of viscoplastic Bingham fluids often relies on a rheological constitutive law based on a “plastic rule function” often identical to the yield…”
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Viscous rebound of a quasi-2D cylinder on a solid wall by Aguilar-Corona, Alicia, Abbas, Micheline, Mercier, Matthieu J, Lacaze, Laurent

“…The purpose of the present study is to extend the simple concept of apparent coefficient of restitution, widely approached in the literature for the case of a…”
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Slumping regime in lock-release turbidity currents by Gadal, Cyril, Mercier, Matthieu, Rastello, Marie, Lacaze, Laurent

“…Journal of Fluid Mechanics, 974, A4 (2023) Most gravitational currents occur on sloping topographies, often in the presence of particles that can settle during…”
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Elliptical instability of the flow in a rotating shell by Lacaze, Laurent, Le Gal, Patrice, Le Dizès, Stéphane

“…A theoretical and experimental study of the spin-over mode induced by the elliptical instability of a flow contained in a slightly deformed rotating spherical…”
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