SAM 2026: Symposium on Acoustic Metamaterials #5

8:00 - 8:45 (45min)

Logistics

Registration / welcoming coffee

8:45 - 9:00 (15min)

Opening words

9:00 - 10:00 (1h)

Plenary Lecture

Chair: Daniele Giannini

› The Return of the Helmholtz-resonator: A Story of Acoustic Metamaterials and Advanced Acoustic Resonators - Felix Langfeldt, University of Southampton 09:00-10:00 (1h)

10:00 - 11:00 (1h)

Metamaterials for sound absorption

Chair: Jean Boulvert

› Multi-Resonant Low-Frequency Sound Absorption Using a Slit-Neck Helmholtz Unit Cell Capped by a Folded Quarter-Wave Resonator - Christopher Barrett, Centre for Ultrasonic Engineering 10:00-10:20 (20min)

› Broadband Sound Absorption Using Weakly Coupled Parallel-Arranged Helmholtz Resonators in Acoustic Metasurfaces: A Numerical Study - Faisal Rafique, Southern University of Science and Technology 10:20-10:40 (20min)

› Wideband Post‑Resonance Absorption in Mycelium‑Based Helmholtz Resonators - Tomas Gomez, KU Leuven, Department of Physics and Astronomy, Laboratory for Acoustics - Soft Matter and Bio-physics, University of Brescia, Department of Mechanical and Industrial Engineering 10:40-11:00 (20min)

11:00 - 11:20 (20min)

Coffee break

11:20 - 11:35 (15min)

Polytec sponsoring

Thomas Karasinski, Olivier De Moor

11:35 - 12:35 (1h)

Metamaterials for sound absorption

Chair: Théo Cavalieri

› Utilizing integrated beam-resonators to characterize manufacturing variability in Selective Laser Sintered metamaterials - Alexander Kryuchkov, Materialise NV, Department of Mechanical Engineering, KU Leuven 11:35-11:55 (20min)

› Building an Absorber Using Inclined Wiremesh Gratings - Juan Pablo Escudero, Laboratoire d'Acoustique de l'Université du Mans 11:55-12:15 (20min)

› Numerical Investigation of Metasurface and its Application in Room Acoustics - Jonas Helboe Jørgensen, COMSOL A/S 12:15-12:35 (20min)

12:35 - 14:20 (1h45)

Lunch at Domus - Tiensestraat 8, 3000 Leuven

14:20 - 15:20 (1h)

Plenary Lecture

Chair: Sebastiano Cominelli

› Multi-scale approach to analysis and design of subwavelength mechanical and acoustic metamaterials on finite size domains - Varvara Kouznetsova, Eindhoven University of Technology [Eindhoven] 14:20-15:20 (1h)

15:20 - 16:20 (1h)

Elastic metasurfaces

Chair: Sidharth Beniwal

› Efficient modelling and design of multimodal seismic metasurfaces for broadband ground vibration mitigation - David Carneiro, KU Leuven 15:20-15:40 (20min)

› Analytical and numerical study of Scholte-Stoneley wave control through elastic metasurfaces - Farhad Zeighami, Alma Mater Studiorum Università di Bologna = University of Bologna 15:40-16:00 (20min)

16:00 - 16:20 (20min)

Phononic crystals

Chair: Farhad Zeighami

› Influence of the Unit Cell Choice on the Effectiveness of Band-Gap Metamaterials - Plastiras Demetriou, TU Dortmund University, Institute of Structural Mechanics 16:00-16:20 (20min)

16:20 - 16:45 (25min)

Coffee break

16:45 - 17:45 (1h)

Phononic crystals

Chairs: Farhad Zeighami, Plastiras Demetriou

› Symmetry-Breaking in Twisted Kelvin Cell Lattices for Elastic Wace Control - Lukas Kleine-Wächter, Technische Universität Munchen - Technical University Munich - Université Technique de Munich, KTH Royal Institute of Technology Stockholm 16:45-17:05 (20min)

› Analysing Wave Dynamics in Additively Manufactured Viscoelastic Metamaterials - Sidharth Beniwal, Faculty of Science and Engineering, Engineering and Technology Institute Groningen (ENTEG), University of Groningen 17:05-17:25 (20min)

› Tunable Matryoshka Local Resonance Sonic Crystal acoustic barrier for optimised low frequency noise control. - Chetan Chalurkar, Indian Institute of Technology Roorkee 17:25-17:45 (20min)

18:30 - 20:30 (2h)

Dinner at Café Entrepot - Vaartkom 4, 3000 Leuven

21:00 - 23:00 (2h)

Scientific popularisation at OPEK - Vaartkom 4, 3000 Leuven

https://sam-2026.sciencesconf.org/data/program/popularization_16_10.png

Planning