Simon Illingworth

Energy transfer mechanisms and resolvent analysis in the cylinder wake

Bo Jin, Sean Symon, Simon J Illingworth

Journal article  |  2021  |  Physical Review Fluids

Linear control of coherent structures in wall-bounded turbulence at Re-tau=2000

Stephan F Oehler, Simon J Illingworth

Journal article  |  2021  |  International Journal of Heat and Fluid Flow

Energy transfer in turbulent channel flows and implications for resolvent modelling

Sean Symon, Simon J Illingworth, Ivan Marusic

Journal article  |  2021  |  Journal of Fluid Mechanics

Abstract

Feedback control of vortex shedding using a resolvent-based modelling approach

Bo Jin, Simon J Illingworth, Richard D Sandberg

Journal article  |  2020  |  Journal of Fluid Mechanics

An investigation of optimal feedback controllers’ performance and robustness is carried out for vortex shedding behind a two-dimen..

A direct comparison of pulsatile and non-pulsatile rough-wall turbulent pipe flow

TO Jelly, RC Chin, SJ Illingworth, JP Monty, I Marusic, A Ooi

Journal article  |  2020  |  Journal of Fluid Mechanics

Pulsatile rough-wall turbulent pipe flow is compared against its non-pulsatile counterpart using data obtained from direct numeric..

Large-scale structures predicted by linear models of wall-bounded turbulence

S Symon, SJ Illingworth, I Marusic

Conference Proceedings  |  2020  |  Journal of Physics: Conference Series, Volume 1522, Fourth Madrid Summer School on Turbulence 10 June to 12 July 2019, Madrid, Spain

The objective of this article is to determine for which scales stochastic forcing of the linearized Navier-Stokes equations, recas..

Streamwise-constant large-scale structures in Couette and Poiseuille flows

Simon J Illingworth

Journal article  |  2020  |  Journal of Fluid Mechanics

The linear amplification mechanisms leading to streamwise-constant large-scale structures in laminar and turbulent channel flows a..

Forcing frequency effects on turbulence dynamics in pulsatile pipe flow

Z Cheng, TO Jelly, SJ Illingworth, I Marusic, ASH Ooi

Journal article  |  2020  |  International Journal of Heat and Fluid Flow

The turbulence dynamics of pulsatile pipe flow are investigated using direct numerical simulation (DNS) at a mean friction Reynold..

Model-based estimation of vortex shedding in an unsteady cylinder wake

J Gong, JP Monty, SJ Illingworth

Conference Proceedings  |  2020  |  Physical Review Fluids

This paper considers the estimation of vortex shedding in cylinder wakes. Two methods are proposed to estimate time-resolved flow ..

Nonlinear reduced-order modeling of the forced and autonomous aeroelastic response of a membrane wing using Harmonic Balance methods

M Nardini, SJ Illingworth, RD Sandberg

Journal article  |  2019  |  Journal of Fluids and Structures

A nonlinear reduced-order model for a membrane wing at low Reynolds numbers is obtained by coupling a linear aerodynamic model wit..