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Department of Applied Mathematics and Theoretical Physics

I am an EPSRC Early Career Research Fellow in the Waves group.

My research focusses on analytic prediction of the noise generated by aerodynamic structures in flow, with a view to developing novel surface treatments which permit noise control. Such treatments may include adaptations to the physical geometry of the structure such as serrations, or variation of the material properties of the structure by using specially designed acoustic metamaterials.

I currently supervise four of PhD students who work on different aspects of noise control analytically and with low-order numerical models.

Publications

A mathematical model for the interaction of anisotropic turbulence with a rigid leading edge
ADG Hales, LJ Ayton, C Jiang, A Mahgoub, R Kisler, R Dixon, C De Silva, D Moreau, C Doolan
– Journal of Fluid Mechanics
(2023)
970,
a29
Residual dynamic mode decomposition: robust and verified Koopmanism
MJ Colbrook, LJ Ayton, M Szoke
– Journal of Fluid Mechanics
(2023)
955,
a21
Steady aerodynamics of airfoils with porosity gradients with nonlinear boundary conditions
R Boitte, R Hajian, LJ Ayton
– AIAA SCITECH 2022 Forum
(2022)
A contour method for time-fractional PDEs and an application to fractional viscoelastic beam equations
MJ Colbrook, LJ Ayton
– Journal of Computational Physics
(2022)
454,
110995
On the Reductions of Airfoil Broadband Noise through Sinusoidal Trailing-Edge Serrations
SK Singh, M Garg, S Narayanan, L Ayton, P Chaitanya
– Journal of Aerospace Engineering
(2022)
35,
04022003
Turbulent boundary layer trailing-edge noise: Theory, computation, experiment, and application
S Lee, L Ayton, F Bertagnolio, S Moreau, TP Chong, P Joseph
– Progress in Aerospace Sciences
(2021)
126,
100737
Modelling chordwise-varying porosity to reduce aerofoil-turbulence interaction noise
LJ Ayton, MJ Colbrook, TF Geyer, P Chaitanya, E Sarradj
– AIAA AVIATION 2021 FORUM
(2021)
Downstream Perforations for the Reduction of Turbulence-Aerofoil Interaction Noise: Part II - Theoretical Investigation
MJ Priddin, LJ Ayton, S Palleja-Cabre, P Chaitanya, P Joseph
– AIAA AVIATION 2021 FORUM
(2021)
Non-linear Forchheimer corrections in acoustic scattering
MJ Colbrook, LJ Ayton
– AIAA AVIATION 2021 FORUM
(2021)
Do we need non-linear corrections? On the boundary Forchheimer equation in acoustic scattering
MJ Colbrook, LJ Ayton
– Journal of Sound and Vibration
(2020)
495,
115905
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Research Groups

Fluid Mechanics
Waves Group

Room

G2.04

Telephone

01223 760452