SAM 2024: Symposium on Acoustic Metamaterials #4

9:30 - 10:00 (30min)

Registration & Opening

Registration, opening ceremony

10:00 - 11:00 (1h)

[Plenary lecture] Acoustic analog of Autler-Townes Splitting and application to perfect resonant absorption of guided water waves

Agnès Maurel

11:00 - 11:40 (40min)

Metamaterials for sound absorption

› Linear and Nonlinear Thermoviscous Losses of a Helmholtz Resonator - Joar ZHOU HAGSTRÖM, Laboratoire d'Acoustique de l'Université du Mans 11:00-11:20 (20min)

› Mosaic design strategy: from underwater sound absorbers to air sound insulation metamaterials - Nan Gao, Polytechnic University of Valencia, The Hong Kong University of Science and Technology 11:20-11:40 (20min)

11:40 - 12:10 (30min)

Coffee break

12:10 - 13:10 (1h)

Metamaterials for sound absorption

› Characterisation of metamaterials for underwater acoustics using the 5-point method. - Clément Larcade, Acoustique - IEMN 12:10-12:30 (20min)

› Modified Helmholtz resonators for sub-wavelength and broadband noise absorption: theory and experiments - Lou-Anne GOUTIER, Université de Lille, CNRS, Université Polytechnique Hauts-de-France, Junia, UMR 8520-IEMN, F-59000 Lille, FRANCE 12:30-12:50 (20min)

› Minimum-phase reflection in passive acoustic system for optimal broadband absorption - Yang Meng, Laboratoire d'Acoustique de l'Université du Mans (LAUM) 12:50-13:10 (20min)

13:10 - 15:00 (1h50)

Lunch

15:00 - 16:00 (1h)

[Plenary lecture] Acoustic wave interaction with spatiotemporally modulated metasurfaces and domains

Michael Haberman

16:00 - 16:40 (40min)

Acoustic metasurfaces

› Isospectral open cavities and gratings - Sebastiano Cominelli, Dipartimento di Meccanica = Department of Mechanical Engineering [Politecnico Milano] 16:00-16:20 (20min)

› Computing the dispersion relations of guided waves in multilayer structures with spectral methods - Mathieu Marechal, Laboratoire d'Acoustique de l'Université du Mans 16:20-16:40 (20min)

16:40 - 17:10 (30min)

Coffee break

17:10 - 18:10 (1h)

Elastic metasurfaces

› Numerical simulations of the interaction between elastic waves and a single layer of resonant spherical particles - Tanguy Bertels, Institut Jean le Rond d'Alembert 17:10-17:30 (20min)

› Embedded Periodic Structures for Antiseismic design: A Numerical Study - Georgios Sarris, Department of Mechanical Engineering, Imperial College London 17:30-17:50 (20min)

› Simulating structured materials with regular and singular Green's functions in elasticity - Richard Wiltshaw, Imperial College London 17:50-18:10 (20min)

18:10 - 18:50 (40min)

Temporal and space-time modulated media

› Scattering by a periodically time-modulated spherical particle - Ioannis Stefanou, Laboratoire d'Acoustique de l'Université du Mans 18:10-18:30 (20min)

› Dispersion properties of time modulated Klein-Gordon media - Apostolos Paliovaios, University of Athens, LAUM 18:30-18:50 (20min)

20:00 - 23:00 (3h)

Dinner (Kappos Etsi, Panayi Irioti 9)

Planning