Keynotes

Wim Desmet 
Locally resonant vibro-acoustic metamaterials for compact lightweight noise control engineering solutions.

Wonju Jeon 
Acoustic Metamaterials and Metasurfaces: Effect of Flow and Visco-thermal Losses.

Estelle Piot 
Advanced identification techniques anddesign tools applied to innovativeaeroacoustic liners.

Francesco Asdrubali
Sustainable materials and metamaterials for acoustical applications.

Session 1: Theoretical and Numerical Modeling 1

S. Pallejà‐Cabré , B.J. Tester , R.J. Astley, H. Bériot
Fan noise suppression with Over‐Tip‐Rotor liners: impedance modelling of acoustically treated circumferential grooves.

A. Coutant, Y. Aurégan, V. Pagneux
Slow sound laser in lined flow ducts.

H. Bodén, Z. Zhang, M.Åbom
Application of Slow Sound in Ducts.

A. Celik, A. Gautam, M. Azarpeyvand
Wavefront Manipulation by Fractal Space-Coiling Acoustic Metamaterials.

L. Burghignoli, G. Palma
On the integration of acoustic phase-gradient metasurfaces in aeronautics.

L. Flanagan, H. Rice, J. Kennedy
Sub-wavelength acoustic liner via “metamaterials”.

Session 2: Theoretical and Numerical Modeling 2

H. Mao, P. Göransson
An inverse method for design and characterisation of acoustic materials.

U. Iemma, M. Carley, P. Göransson
An integrated approach to the theoretical and numerical modelling of metamaterials for aeroacoustics.

I. Bashir, C. Courtney, M. Carley
Development of novel, light-weight and multifunctional acoustic metamaterials metasurfaces for aeronautical applications using 3D Boundary Element Method (BEM3D).

C. Sandu, M. Deaconu
Advanced considerations on using the vacuum as a ‘material’ in aeroacoustics.

A. McKay, I. Davis, G. Bennett 
An optimised sub- wavelength segmented membrane sound absorber.

Session 3: T.E. Noise Mitigation

L. Rossian, J. W. Delfs, R. Ewert
 Numerical Investigation of Porous Materials for Trailing Edge Noise Reduction.

K.S. Rossignol, A. Suryadi, M. Herr, J. Schmidt
Experimental Investigation of Porous Materials for Trailing-Edge Noise Reduction.

C. Teruna, F. Avallone, D. Casalino, D. Ragni, A. Rubio-Carpio,  F. Manegar, T. Carolus
Trailing Edge Noise Reduction with Permeable Materials: Description of Noise Scattering Mechanism.

A. Rubio Carpio, S. Luesutthiviboon, R. Hedayati, F. Avallone, D. Ragni, M. Snellenm, S. van der Zwaag
3D-printed Permeable Trailing Edges for Broadband Noise Abatement.

Session 4: Manufacturing and Experimental Assessment

D. Radulescu, M. Deaconu
Experimental validation of an ultra open metamaterial which uses the acoustic black hole principle.

H. Bodén , S. Sack, S. Jacob
A Study on 3D-printed and Segmented Liners.

L. Dowling, D. Heaphy, D. Trimble, J. Kennedy
Repeatability in additive manufacturing for metamaterials.

K. Knobloch, L. Enghardt, F. Bake
Flexible Walls for Acoustic Liners.

Session 5 : Active and Tunable Concepts

H. Lissek, R. Boulandet, S. Karkar, M. Collet, G. Matten, M. Ouisse, M. Versaevel
(Towards an) Active SDOF Electroacoustic Metamaterial for use as an Adjustable Acoustic Liner for Engine Noise Reduction.

G. J. Bennett, A. Fossorier, H. Magnes
Tuneable Acoustic Absorption of a Spherical Elastomeric Monopole with Negative Bulk Modulus.

Y. Aurégan, M. Farooqui, M.E. D’Elia
Ultra-Thin and In-Parallel perfect sound absorbers.

Y. Auregan, M. E. D’Elia, T. Humbert
Effect of flow on the acoustic behavior of a vibrating cantilever beam liner.