Conveners
A10.02 Metamaterials for noise and vibration reduction: applications and experimental methods: P475
- Elena Shabalina
- Jacques Cuenca (Test Division, Siemens Industry Software NV)
A10.02 Metamaterials for noise and vibration reduction: applications and experimental methods: S061
- Elena Shabalina
- Jacques Cuenca (Test Division, Siemens Industry Software NV)
A10.02 Metamaterials for noise and vibration reduction: applications and experimental methods: S516
- Jacques Cuenca (Test Division, Siemens Industry Software NV)
- Elena Shabalina
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FAISAL RAFIQUE (SUSTech, Shenzhen)11/09/2026, 09:00A10 Materials and Metamaterials
Broadband, low to mid-frequency sound absorption with thin, compact structures presents a significant challenge in acoustical engineering. This work presents a novel acoustic metasurface based on weakly coupled parallel Helmholtz resonators (HRs). The design begins with an optimized dual-cavity HR unit, where a small inter-cavity perforation bridges two resonance peaks to create a continuous...
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Alemayehu Moges Kebede (unist)11/09/2026, 10:40A10 Materials and Metamaterials
Low-frequency noise remains difficult to mitigate in urban environments because conventional absorbers require large thicknesses or compromise structural performance. This study investigates a Tesla-valve-inspired acoustic metamaterial embedded within high-strength cementitious composites and evaluates how geometric parameters control acoustic behavior. A parametric investigation was conducted...
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Erfan Asgari (InnoRenew CoE, University of Primorska)11/09/2026, 11:00A10 Materials and Metamaterials
Low-frequency sound insulation remains challenging due to the long sound wavelengths, making conventional acoustic materials largely ineffective at low frequencies. This study proposes a novel single-path, space-coiled metamaterial designed for efficient low-frequency sound attenuation. The metamaterial is a 28 mm thick cylinder with a 100 mm diameter, comprising a top cover with an input...
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Adrien Guthapfel (KU Leuven, Department of Mechanical Engineering)11/09/2026, 11:20A10 Materials and Metamaterials
In recent years, phase gradient metamaterials have attracted significant attention for their ability to steer incident waves in specific directions. This behavior follows the generalized Snell’s law, which relates the directions of reflected and transmitted waves to the phase gradient of their coefficients along the surface. By imposing a specific linear phase profile, these materials can...
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Sunao Tomita (Toyota Central R&D Labs., Inc.)11/09/2026, 14:20A10 Materials and Metamaterials
Road noise transmitted through vehicle door structures remains a critical challenge in automotive noise, vibration, and harshness (NVH) performance, particularly in the low-frequency range below 1 kHz. This study presents a mass-producible acoustic metamaterial designed for integration into automotive door trims to reduce structure-borne sound transmission without increasing weight or...
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Domenico De Salvio (University of Bologna)11/09/2026, 14:40A10 Materials and Metamaterials
As part of the European LIFE SILENT project, which addresses noise mitigation in complex environments, this study focuses on improving the acoustic performance of low-height noise barriers (LHNBs) by optimizing their surface acoustic impedance. Specifically, it presents the inverse design of a broadband sound-absorbing metamaterial layer intended for the railway-facing side of an LHNB. The...
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Juan Luis de la Torre Moral (Grupo Acústica Arquitectónica, Universidad Politécnica Madrid)11/09/2026, 15:00A10 Materials and Metamaterials
Low-frequency room modes remain a major challenge in architectural acoustics, as they cannot be effectively mitigated using conventional absorbers or resonators without a significant thickness. As an alternative, acoustic metamaterials offer the possibility of achieving efficient low-frequency absorption with limited thickness. In this work, a numerical methodology for the design and...
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