Modal analysis of fluid flows: An overview
SIMPLE aerodynamic configurations under even modest conditions can exhibit complex
flows with a wide range of temporal and spatial features. It has become common practice in …
flows with a wide range of temporal and spatial features. It has become common practice in …
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 …
Progress in physical modeling of compressible wall-bounded turbulent flows
Understanding, modeling and control of the high-speed wall-bounded transition and
turbulence not only receive wide academic interests but also are vitally important for high …
turbulence not only receive wide academic interests but also are vitally important for high …
[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 …
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 …
Four decades of studying global linear instability: Progress and challenges
THERE is good reason for optimism regarding the future of global linear instability and a
certain degree of euphoria surrounding its recent success [1, 2], three decades after the first …
certain degree of euphoria surrounding its recent success [1, 2], three decades after the first …
On three-dimensional global linear instability analysis of flows with standard aerodynamics codes
F Gomez, R Gómez, V Theofilis - Aerospace Science and Technology, 2014 - Elsevier
The development of a general Jacobian-free approach for the solution of large-scale global
linear instability analysis eigenvalue problems by coupling a time-stepping algorithm with …
linear instability analysis eigenvalue problems by coupling a time-stepping algorithm with …