Krylov methods for large-scale dynamical systems: Application in fluid dynamics
RAS Frantz, JC Loiseau… - Applied …, 2023 - asmedigitalcollection.asme.org
In fluid dynamics, predicting and characterizing bifurcations, from the onset of unsteadiness
to the transition to turbulence, is of critical importance for both academic and industrial …
to the transition to turbulence, is of critical importance for both academic and industrial …
Transition scenario in hypersonic axisymmetrical compression ramp flow
A high-fidelity simulation of the shock/transitional boundary layer interaction caused by a
axisymmetrical compression ramp is performed at a free stream Mach number of 5 and a …
axisymmetrical compression ramp is performed at a free stream Mach number of 5 and a …
On the low-frequency unsteadiness in shock wave–turbulent boundary layer interactions
J Hao - Journal of Fluid Mechanics, 2023 - cambridge.org
The shock wave–turbulent boundary layer interaction over a compression corner is studied
using global stability analysis (GSA) and resolvent analysis based on a separation of scales …
using global stability analysis (GSA) and resolvent analysis based on a separation of scales …
Response of hypersonic compression corner flow to upstream disturbances
Hypersonic flow over a two-dimensional compression corner is investigated using
computational fluid dynamics and global resolvent analysis in this study, which is a …
computational fluid dynamics and global resolvent analysis in this study, which is a …
Low-frequency resolvent analysis of the laminar oblique shock wave/boundary layer interaction
B Bugeat, JC Robinet, JC Chassaing… - Journal of Fluid …, 2022 - cambridge.org
Resolvent analysis is used to study the low-frequency behaviour of the laminar oblique
shock wave/boundary layer interaction (SWBLI). It is shown that the computed optimal gain …
shock wave/boundary layer interaction (SWBLI). It is shown that the computed optimal gain …
Efficient global resolvent analysis via the one-way Navier–Stokes equations
Resolvent analysis is a powerful tool for modelling and analysing transitional and turbulent
flows and, in particular, for approximating coherent flow structures. Despite recent …
flows and, in particular, for approximating coherent flow structures. Despite recent …
An empirical model of noise sources in subsonic jets
Modelling the noise emitted by turbulent jets is made difficult by their acoustic inefficiency:
only a tiny fraction of the near-field turbulent kinetic energy is propagated to the far field as …
only a tiny fraction of the near-field turbulent kinetic energy is propagated to the far field as …
Stability of hypersonic flow over a curved compression ramp
In this work, the stability of hypersonic flow over a curved compression ramp is studied using
several stability analysis tools and direct numerical simulations (DNS). The free-stream …
several stability analysis tools and direct numerical simulations (DNS). The free-stream …
Assessment of linear methods for analysis of boundary layer instabilities on a finned cone at mach 6
D Araya, N Bitter, BM Wheaton, O Kamal… - AIAA Aviation 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3247. vid Boundary-layer
instabilities of a finned cone at Mach= 6, Re= 8.4 x 10^ 6/m, and zero incidence angle are …
instabilities of a finned cone at Mach= 6, Re= 8.4 x 10^ 6/m, and zero incidence angle are …
Interaction and breakdown induced by multiple optimal disturbances in hypersonic boundary layer
The present paper finds that the coexistence of multiple primary instability waves may cause
a non-trivial nonlinear interaction and breakdown process, which has not been reported …
a non-trivial nonlinear interaction and breakdown process, which has not been reported …