Multi-scale proper orthogonal decomposition of complex fluid flows
MA Mendez, M Balabane, JM Buchlin - Journal of Fluid Mechanics, 2019 - cambridge.org
Data-driven decompositions are becoming essential tools in fluid dynamics, allowing for
tracking the evolution of coherent patterns in large datasets, and for constructing low-order …
tracking the evolution of coherent patterns in large datasets, and for constructing low-order …
Data-driven modal decomposition methods as feature detection techniques for flow problems: A critical assessment
Modal decomposition techniques are showing a fast growth in popularity for their wide range
of applications and their various properties, especially as data-driven tools. There are many …
of applications and their various properties, especially as data-driven tools. There are many …
Numerical study of the coherent structures in a transitional vertical channel natural convection flow
M Thebault, S Giroux-Julien, V Timchenko, J Reizes… - Physics of …, 2021 - pubs.aip.org
Numerical simulations of a spatially developing transitional flow in a vertical channel with
one side uniformly heated and subjected to random velocity fluctuations at the inlet have …
one side uniformly heated and subjected to random velocity fluctuations at the inlet have …
Stochastic modelling of a noise-driven global instability in a turbulent swirling jet
M Sieber, CO Paschereit… - Journal of Fluid …, 2021 - cambridge.org
A method is developed to estimate the properties of a global hydrodynamic instability in
turbulent flows from measurement data of the limit-cycle oscillations. For this purpose, the …
turbulent flows from measurement data of the limit-cycle oscillations. For this purpose, the …
Unsteadiness of shock-boundary layer interactions in a Mach 2.0 supersonic turbine cascade
The physics of shock-boundary layer interactions (SBLIs) in a supersonic turbine cascade at
Mach 2.0 and Reynolds number 395,000, based on the axial chord, is investigated through …
Mach 2.0 and Reynolds number 395,000, based on the axial chord, is investigated through …
[HTML][HTML] Design-assisted of pitching aerofoils through enhanced identification of coherent flow structures
This study discusses a general framework to identify the unsteady features of a flow past an
oscillating aerofoil in deep dynamic stall conditions. In particular, the work aims at …
oscillating aerofoil in deep dynamic stall conditions. In particular, the work aims at …
Enhanced identification of coherent structures in the flow evolution of a pitching wing
View Video Presentation: https://doi. org/10.2514/6.2022-0182. vid The present work
investigates the three-dimensional dynamics which affects the evolution of dynamic stall …
investigates the three-dimensional dynamics which affects the evolution of dynamic stall …
[PDF][PDF] Shock boundary layer interactions in supersonic turbine cascades
The physics of shock-boundary layer interactions in a supersonic turbine cascade is
investigated through a wall-resolved large eddy simulation. Special attention is given to the …
investigated through a wall-resolved large eddy simulation. Special attention is given to the …
Model-based adaptive MOR framework for unsteady flows around lifting bodies
G Pascarella, M Fossati - Model Reduction of Complex Dynamical …, 2021 - Springer
The problem of performing accurate reconstructions of vortex-dominated unsteady flows by
means of reduced basis methods is studied. When faced with the necessity of reconstructing …
means of reduced basis methods is studied. When faced with the necessity of reconstructing …
Impact of POD modes energy redistribution on flow reconstruction for unsteady flows of impulsively started airfoils and wings
G Pascarella, M Fossati… - International Journal of …, 2020 - Taylor & Francis
Obtaining accurate solutions of unsteady flows during the design process of an aircraft can
be a highly demanding task. Reduced basis methods (RBM) are commonly used to reduce …
be a highly demanding task. Reduced basis methods (RBM) are commonly used to reduce …