Bedforms in a turbulent stream: formation of ripples by primary linear instability and of dunes by nonlinear pattern coarsening

DOI10.1017/S0022112009993466zbMath1189.76239arXiv0805.3417OpenAlexW2139556396MaRDI QIDQ3573271

Antoine Fourrière, Philippe Claudin, Bruno Andreotti

Publication date: 30 June 2010

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0805.3417

Mathematics Subject Classification ID

Turbulent boundary layers (76F40) Stability and instability of geophysical and astrophysical flows (76E20)

Related Items (18)

Bedforms in a turbulent stream: ripples, chevrons and antidunes ⋮ Subaqueous barchan dunes in turbulent shear flow. Part 2. Fluid flow ⋮ Hydrodynamic roughness induced by a multiscale topography ⋮ Instability and finite-amplitude self-organization of large-scale coastline shapes ⋮ Aeolian and subaqueous bedforms in shear flows ⋮ About the role of the Hanratty correction in the linear response of a turbulent flow bounded by a wavy wall ⋮ On the scaling of the instability of a flat sediment bed with respect to ripple-like patterns ⋮ Multiple solutions for granular flow over a smooth two-dimensional bump ⋮ Formation of sediment patterns in channel flow: minimal unstable systems and their temporal evolution ⋮ Linear and nonlinear instabilities of a granular bed: determination of the scales of ripples and dunes in rivers ⋮ Incipient bedforms in a bidirectional wind regime ⋮ A spectral approach for the stability analysis of turbulent open-channel flows over granular beds ⋮ Three-dimensional sand ripples as the product of vortex instability ⋮ Formation of sand ripples under a turbulent liquid flow ⋮ Dissolution instability and roughening transition ⋮ Transport relaxation time and length scales in turbulent suspensions ⋮ Ripple and dune formation in rivers ⋮ Open-channel flow over evolving subaqueous ripples

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