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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

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 and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2021
(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 and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2021
(2021)
Non-linear Forchheimer corrections in acoustic scattering
MJ Colbrook, LJ Ayton
– AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2021
(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
A calculus for flows in periodic domains
PJ Baddoo, LJ Ayton
– Theoretical and Computational Fluid Dynamics
(2020)
35,
145
Reducing aerofoil-turbulence interaction noise through chordwise-varying porosity
LJ Ayton, MJ Colbrook, TF Geyer, P Chaitanya, E Sarradj
– Journal of Fluid Mechanics
(2020)
906,
a1
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Research Groups

Fluid Mechanics
Waves Group

Room

G2.04

Telephone

01223 760452