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 …
Linear instability of low Reynolds number massively separated flow around three NACA airfoils
Two-and three-dimensional modal and non-modal instability mechanisms of steady
spanwise-homogeneous laminar separated flow over airfoil profiles, placed at large angles …
spanwise-homogeneous laminar separated flow over airfoil profiles, placed at large angles …
Link between subsonic stall and transonic buffet on swept and unswept wings: from global stability analysis to nonlinear dynamics
This paper examines the three-dimensional cellular patterns appearing on wings in
subsonic stall and transonic buffet conditions. Unsteady Reynolds-averaged Navier–Stokes …
subsonic stall and transonic buffet conditions. Unsteady Reynolds-averaged Navier–Stokes …
[PDF][PDF] Advances in global instability computations: from incompressible to hypersonic flow
P Paredes - Universidad Politécnica de Madrid: PhD Dissertation, 2014 - core.ac.uk
The present thesis constitutes a step forward in advancing the frontiers of knowledge of fluid
flow instability from a physical point of view, as a consequence of having been successful in …
flow instability from a physical point of view, as a consequence of having been successful in …
Self-excited primary and secondary instability of laminar separation bubbles
The self-excited instabilities acting on laminar separation bubbles in the absence of external
forcing are studied by means of linear stability analysis and direct numerical simulation …
forcing are studied by means of linear stability analysis and direct numerical simulation …
On the birth of stall cells on airfoils
D Rodríguez, V Theofilis - Theoretical and Computational Fluid Dynamics, 2011 - Springer
Critical point theory asserts that two-dimensional topologies are defined as degeneracies
and any three-dimensional disturbance of a two-dimensional flow will lead to a new three …
and any three-dimensional disturbance of a two-dimensional flow will lead to a new three …
Structural changes of laminar separation bubbles induced by global linear instability
D Rodriguez, V Theofilis - Journal of Fluid Mechanics, 2010 - cambridge.org
The topology of the composite flow fields reconstructed by linear superposition of a two-
dimensional boundary layer flow with an embedded laminar separation bubble and its …
dimensional boundary layer flow with an embedded laminar separation bubble and its …
Order 104 speedup in global linear instability analysis using matrix formation
P Paredes, M Hermanns, S Le Clainche… - Computer Methods in …, 2013 - Elsevier
A unified solution framework is presented for one-, two-or three-dimensional complex non-
symmetric eigenvalue problems, respectively governing linear modal instability of …
symmetric eigenvalue problems, respectively governing linear modal instability of …
The two classes of primary modal instability in laminar separation bubbles
The self-excited global instability mechanisms existing in flat-plate laminar separation
bubbles are studied here, in order to shed light on the causes of unsteadiness and three …
bubbles are studied here, in order to shed light on the causes of unsteadiness and three …
A robust approach for stability analysis of complex flows using high-order Navier-Stokes solvers
Global stability modes of flows provide significant insight into their dynamics. Direct methods
to obtain these modes are restricted by the daunting sizes and complexity of Jacobians …
to obtain these modes are restricted by the daunting sizes and complexity of Jacobians …