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 …

Nonlinear, time-linearized and adjoint Reynolds-averaged Navier-Stokes (RANS)
computational fluid dynamics (CFD) solvers are widely used to assess and improve the …

The near wake of a hemisphere immersed in a laminar boundary layer is studied utilizing
time-resolved tomographic particle image velocimetry (TPIV). Focus is placed on the three …

A numerical investigation is carried out to study the transition of a subsonic boundary layer
on a flat plate with roughness elements distributed over the entire surface. Post-transition …

This study explores the dynamics of bypass transition of a zero pressure gradient boundary
layer transitioning under the combined influence of an isolated roughness element with …

Global stability analysis and direct numerical simulation of boundary layers with an isolated
roughness element Page 1 J. Fluid Mech. (2022), vol. 949, A12, doi:10.1017/jfm.2022.749 Global …

The study of the stability of a dynamical system described by a set of partial differential
equations (PDEs) requires the computation of unstable states as the control parameter …

Large-eddy simulations were used to investigate unsteady flows around a wall-mounted
hemisphere as the Reynolds number (Re, based on the diameter of the hemisphere D) …

The effect of freestream turbulence on the dynamics of an incompressible flow past a
cylindrical roughness element in subcritical conditions (ie, for Reynolds numbers below the …

A fully three-dimensional linear stability analysis is carried out to investigate the unstable
bifurcations of a compressible viscous fluid past a sphere. A time-stepper technique is used …