Instabilities, Turbulence & Pattern Formation Group

Department of Aeronautics, Imperial College London


Only peer-reviewed journal publications are presented. Preprints can be sent upon request.

Quasi-linear approximation of exact coherent states in parallel shear flows

M. Pausch, Q. Yang, Y. Hwang & B. Eckhardt, Sub judice.


Evaporation-driven convective flows in suspensions of non-motile bacteria

J. Dunstan, K. J. Lee, S. F. Park, Y. Hwang & R. E. Goldstein, Sub judice.


Energy production and self-sustained turbulence at the Kolmogorov microscale in Couette flow

Q. Yang, A. P. Willis & Y. Hwang, J. Fluid Mech. 834, p531. PDF.


Streak instability in turbulent channel flow: the seeding mechanism of large-scale motions

M. de Giovanetti, H. J. Sung, & Y. Hwang, J. Fluid Mech. 832, p483. PDF


Streak instability in near-wall turbulence revisited

A. Cassinelli, M. de Giovanetti, Y. Hwang, J. Turbulence, 18(5), p443. PDF

Invited for Special Issue to celebrate 70th birthday of Prof. Javier Jimenez.


Self-sustaining process at all scales in wall-bounded turbulent shear flows

C. Cossu & Y. Hwang, Phil. Trans. R. Soc. A, 375, 20160088. PDF

Invited for Theme Issue on ‘Toward the development of high-fidelity models of wall turbulence at large Reynolds number'.


Mesolayer of attached eddies in turbulent channel flow

Y. Hwang, Phys. Rev. Fluids, 1(6), 064401. PDF


Skin-friction generation by attached eddies in turbulent channel flow

M. de Giovanetti, Y. Hwang & H. Choi, J. Fluid Mech. 808, p511. PDF


Invariant solutions of minimal large-scale structures in turbulent channel flow

Y. Hwang, A. P. Willis & C. Cossu, J. Fluid Mech. 802, R1. PDF


Self-sustaining process of minimal attached eddies in turbulent channel flow

Y. Hwang & Y. Bengana, J. Fluid Mech. 795, p708. PDF


Model of cellular mechanotransduction via actin stress fibre networks

C. L. M. Gouget, Y. Hwang, A. I. Barakat, Biomech. Model. Mechanobiol. 15(2), p331. PDF


On the self-sustained nature of large-scale motions in tubulent Couette flow

S. Rawat, C. Cossu, Y. Hwang & F. Rincon, J. Fluid Mech. 782, p515. PDF


Characterizing cell adhesion using micropipette aspiration

B. Hogan, A. Babataheri, Y. Hwang, A. I. Barakat & J. Husson, Biophys. J. 109, p209. PDF


Statistical structure of self-sustaining attached eddies in turbulent channel flow

Y. Hwang, J. Fluid Mech. 767, p254. PDF



Structural sensitivities of soft and steep nonlinear global modes in spatially developing media

Y. Hwang, Eur. J. Mech. - B/Fluids, 49, Part B, p322. PDF

Invited for Special Issue on `Trends in Hydrodynamic Instability' in hornour of Prof. Patrick Huerre.

The article is dedicated to him. See also the 'Preface' by Lutz Lesshafft. PDF




Stability of downflowing gyrotatic microorganism suspensions in a two-dimensional vertical channel

Y. Hwang, & T. J. Pedley, J. Fluid Mech. 749, p750. PDF




Bioconvection under uniform shear: linear stability analysis

Y. Hwang, & T. J. Pedley, J. Fluid Mech. 738, p522. PDF

Featured in `Focus on Fluids' in the Journal of Fluid Mechanics.

See also the aricle `Swimming in Shear' by David Saintillan. PDF




Intracellular regulation of cell signaling cascades: how location makes difference

Y. Hwang, P. Kumar & A. I. Barakat, J. Math. Biol., 69(1), p213. PDF


Stabilization of absolute instability in spanwise wavy two-dimensional wakes

Y. Hwang, J. Kim & H. Choi, J. Fluid Mech. 727, p346. PDF



Near-wall turbulent fluctuations in the absence of wide outer motions

Y. Hwang, J. Fluid Mech. 723, p264. PDF



Mechanisms of cytoskeleton-mediated mechanical signal transmission in cells

Y. Hwang, C.L.M. Gouget & A. I. Barakat, Comm. Int. Biol. 5(6) 1. PDF

Invited article by the journal editor


Dynamics of mechanical signal transmission through prestressed stress fibers

Y. Hwang & A. I. Barakat, PLoS ONE , 7(4) e35343. PDF


Self-sustained processes in the logarithmic layer of turbulent channel flows

Y. Hwang & C. Cossu, Phys. Fluids 23, 061702. PDF



On the stability of large-scale streaks in turbulent Poiseulle and Couette flows

J Park, Y. Hwang & C. Cossu, C. R. Mecanique 339(1), p1. PDF



Optimally amplified large-scale streaks and drag reduction in the turbulent pipe flow

A. P. Willis, Y. Hwang & C. Cossu, 2010, Phys. Rev. E 82, 036321. PDF


Self-sustained process at large scale in turbulent channel flow

Y. Hwang & C. Cossu, Phys. Rev. Lett. 105, 044505. PDF


Linear non-normal energy amplification of harmonic and stochastic forcing in the turbulent channel flow

Y. Hwang & C. Cossu, J. Fluid Mech. 664, p51. PDF


Amplification of coherent streaks in the turbulent Couette flow: an input-output analysis at low Reynolds numbers

Y. Hwang & C. Cossu, J. Fluid Mech. 643, p333. PDF


Sensitivity of global instability of spatially developing flow in weakly and fully nonlinear regimes

Y. Hwang & H. Choi, Phys. Fluids 20, 071703. PDF


Control of absolute instability by basic-flow modification in a parallel wake at low Reynolds number

Y. Hwang & H. Choi, J. Fluid Mech. 560, p465. PDF


Copyright @ All Rights Reserved