SAM 2026: Symposium on Acoustic Metamaterials #5

8:00 - 8:45 (45min)

Logistics

Registration

8:45 - 9:00 (15min)

Welcome

9:00 - 10:00 (1h)

Plenary Lecture

› 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 - 10:15 (15min)

Flash presentations - Posters

› Optimization of TPMS structures for broadband sound absorption - Xueying Guan, Delft University of Technology 10:00-10:03 (03min)

› A study on the low-frequency vibroacoustic behavior of membranes with added strip masses using a finite element model - Ajju Raja Justus, Ph.D. Scholar 10:04-10:07 (03min)

› Study of the wave propagation inside an open phase gradient metamaterial - Adrien Guthapfel, KU Leuven, LMSD (Campus Heverlee), E2E core Lab, Flanders Make 10:08-10:11 (03min)

› Vibration reduction on an automotive power electronic unit using a locally resonant metamaterial solution: predictive methodology and validation - Sara Tincani, Robert Bosch GmbH, Center of Competence-Vibration, KU Leuven, Campus Diepenbeek, Department of Mechanical Engineering, Wetenschapspark 27, 3590 Diepenbeek 10:12-10:15 (03min)

10:15 - 11:15 (1h)

Metamaterials for sound absorption

› 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 10:15-10:35 (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 10:35-10:55 (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 10:35-10:55 (20min)

11:15 - 11:45 (30min)

Coffee break

11:45 - 12:05 (20min)

Polytec sponsoring

Polytec

12:05 - 13:05 (1h)

Metamaterials for sound absorption

› Utilizing integrated beam-resonators to characterize manufacturing variability in Selective Laser Sintered metamaterials - Alexander Kryuchkov, Materialise NV, Department of Mechanical Engineering, KU Leuven 12:05-12:25 (20min)

› Building an Absorber Using Inclined Wiremesh Gratings - Juan Pablo Escudero, Laboratoire d'Acoustique de l'Université du Mans 12:25-12:45 (20min)

› Numerical Investigation of Metasurface and its Application in Room Acoustics - Jonas Helboe Jørgensen, COMSOL A/S 12:45-13:05 (20min)

13:05 - 14:30 (1h25)

Lunch

14:30 - 15:30 (1h)

Plenary Lecture

› Multi-scale approach to analysis and design of subwavelength mechanical and acoustic metamaterials on finite size domains - Varvara Kouznetsova, Eindhoven University of Technology [Eindhoven] 14:30-15:30 (1h)

15:30 - 16:30 (1h)

Elastic metasurfaces

› Efficient modelling and design of multimodal seismic metasurfaces for broadband ground vibration mitigation - David Carneiro, KU Leuven 15:30-15:50 (20min)

› Analytical and numerical study of Scholte-Stoneley wave control through elastic metasurfaces - Farhad Zeighami, Alma Mater Studiorum Università di Bologna = University of Bologna 15:50-16:10 (20min)

› Influence of the Unit Cell Choice on the Effectiveness of Band-Gap Metamaterials - Plastiras Demetriou, TU Dortmund University, Institute of Structural Mechanics 16:10-16:30 (20min)

16:30 - 17:00 (30min)

Coffee break

17:00 - 18:00 (1h)

Phononic crystals

› Deep learning-based inverse design of tolopogical interface and corner states in two-dimensional phononic crystals - Xue-Qian Zhang, Beijing Jiaotong University, Universitat Politècnica de València = Universitad Politecnica de Valencia = Polytechnic University of Valencia 17:00-17:20 (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 17:20-17:40 (20min)

› Tunable Matryoshka Local Resonance Sonic Crystal acoustic barrier for optimised low frequency noise control. - Chetan Chalurkar, Indian Institute of Technology Roorkee 17:40-18:00 (20min)

18:30 - 20:30 (2h)

Dinner

21:00 - 23:00 (2h)

Popularisation event

Planning