Simulations of the bi-modal wake past three-dimensional blunt bluff bodies

DOI10.1017/jfm.2019.92zbMath1415.76186OpenAlexW2921724193WikidataQ108874338 ScholiaQ108874338MaRDI QIDQ5742345

L. Dalla Longa, A. S. Morgans, O. Evstafyeva

Publication date: 14 May 2019

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

Full work available at URL: https://doi.org/10.1017/jfm.2019.92

zbMATH Keywords

wakes

Mathematics Subject Classification ID

Experimental work for problems pertaining to fluid mechanics (76-05) Direct numerical and large eddy simulation of turbulence (76F65) Wakes and jets (76D25)

Related Items (6)

A near-wake survey of an Ahmed body comparing low-\& high-fidelity numerical models with experiments ⋮ The influence of background turbulence on Ahmed-body wake bistability ⋮ Numerical investigation of the wake bi-stability behind a notchback Ahmed body ⋮ Low-order modelling of the wake dynamics of an Ahmed body ⋮ Simulation of wake bimodality behind squareback bluff-bodies using LES ⋮ Near wake interactions and drag increase regimes for a square-back bluff body

Cites Work

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• Analysis and control of the near-wake flow over a square-back geometry
• Partially-averaged Navier-Stokes simulations of flows around two different Ahmed bodies
• On simulating the turbulent flow around the Ahmed body: a French-German collaborative evaluation of LES and DES
• Diffusive dynamics and stochastic models of turbulent axisymmetric wakes
• Feedback control for form-drag reduction on a bluff body with a blunt trailing edge
• Dynamic mode decomposition of numerical and experimental data
• Stochastic modelling and feedback control of bistability in a turbulent bluff body wake
• A numerical investigation of the asymmetric wake mode of a squareback Ahmed body – effect of a base cavity
• Bifurcations and symmetry breaking in the wake of axisymmetric bodies
• On the need for a nonlinear subscale turbulence term in POD models as exemplified for a high-Reynolds-number flow over an Ahmed body
• The effect of angular misalignment on low-frequency axisymmetric wake instability
• Simulation and feedback control of the Ahmed body flow exhibiting symmetry breaking behaviour
• Turbulent wake past a three-dimensional blunt body. Part 1. Global modes and bi-stability

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