Global linear instability
V Theofilis - Annual Review of Fluid Mechanics, 2011 - annualreviews.org
This article reviews linear instability analysis of flows over or through complex two-
dimensional (2D) and 3D geometries. In the three decades since it first appeared in the …
dimensional (2D) and 3D geometries. In the three decades since it first appeared in the …
Dynamics and control of global instabilities in open-flows: a linearized approach
This review article addresses the dynamics and control of low-frequency unsteadiness, as
observed in some aerodynamic applications. It presents a coherent and rigorous linearized …
observed in some aerodynamic applications. It presents a coherent and rigorous linearized …
Low-dimensional dynamics of a turbulent axisymmetric wake
G Rigas, AR Oxlade, AS Morgans… - Journal of Fluid …, 2014 - cambridge.org
The coherent structures of a turbulent wake generated behind a bluff three-dimensional
axisymmetric body are investigated experimentally at a diameter-based Reynolds number …
axisymmetric body are investigated experimentally at a diameter-based Reynolds number …
Experimental analysis of the effect of local base blowing on three-dimensional wake modes
M Lorite-Díez, JI Jiménez-González… - Journal of Fluid …, 2020 - cambridge.org
Wake modes of a three-dimensional blunt-based body near a wall are investigated at a
Reynolds number states in the horizontal (respectively vertical) direction, while bistable …
Reynolds number states in the horizontal (respectively vertical) direction, while bistable …
Wake instability of a fixed axisymmetric bubble of realistic shape
JC Cano-Lozano, P Bohorquez… - International journal of …, 2013 - Elsevier
We analyze numerically the transition from straight to zigzag motion during the rising of a
single bubble in a still liquid. Results are reported for the regime in which the inner fluid …
single bubble in a still liquid. Results are reported for the regime in which the inner fluid …
Stability and dynamics of the laminar wake past a slender blunt-based axisymmetric body
We investigate the stability properties and flow regimes of laminar wakes behind slender
cylindrical bodies, of diameter D and length L, with a blunt trailing edge at zero angle of …
cylindrical bodies, of diameter D and length L, with a blunt trailing edge at zero angle of …
Flow around a hemisphere-cylinder at high angle of attack and low Reynolds number. Part II: POD and DMD applied to reduced domains
Three-dimensional direct numerical simulations (DNS) have been performed on a finite-size
hemisphere-cylinder model at angle of attack AoA= 20° and Reynolds numbers Re= 350 …
hemisphere-cylinder model at angle of attack AoA= 20° and Reynolds numbers Re= 350 …
Flow around a hemisphere-cylinder at high angle of attack and low Reynolds number. Part I: Experimental and numerical investigation
Abstract Three-dimensional Direct Numerical Simulations combined with Particle Image
Velocimetry experiments have been performed on a hemisphere-cylinder at Reynolds …
Velocimetry experiments have been performed on a hemisphere-cylinder at Reynolds …
Assessment of LES subgrid-scale models and investigation of hydrodynamic behaviour for an axisymmetrical bluff body flow
CY Lee, S Cant - Flow, turbulence and combustion, 2017 - Springer
This work is concerned with the investigation of fluid-mechanical behaviour and the
performance of different subgrid-scale models for LES in the numerical prediction of a …
performance of different subgrid-scale models for LES in the numerical prediction of a …
Global mode analysis of a pipe flow through a 1: 2 axisymmetric sudden expansion
E Sanmiguel-Rojas, C Del Pino… - Physics of Fluids, 2010 - pubs.aip.org
We report the results of the global mode analysis to characterize the onset of unsteadiness
in a circular pipe flow through an axisymmetric sudden expansion of inlet-to-outlet diameter …
in a circular pipe flow through an axisymmetric sudden expansion of inlet-to-outlet diameter …