Hydrogel-based flexible metamaterial for underwater acoustic carpet cloaking
Haoyu Zhao, Wenbo Zhu, Zhiwen Tan, Lei Zuo, Kai Zhang · Elsevier BV · 2026
A hydrogel-based flexible metamaterial is proposed for underwater acoustic carpet cloaking.
Plain English summary
Why this matters
Key findings
- Hydrogel-based flexible metamaterial is targeted for underwater acoustic carpet cloaking.
Limitations
The abstract is empty, so the record provides no technical details, results, methods, or claims beyond the title.
Publication
- Publisher
- Elsevier BV
- Publication date
- May 1, 2026
- Research type
- Paper
- License
- https://www.elsevier.com/tdm/userlicense/1.0/
Tags
More on Acoustic Metamaterials
See all →Active-Learning-Guided Acoustic Metamaterial Resonators for Low-Frequency Noise Suppression and Piezoelectric Energy Harvesting
Active-learning-guided inverse design enables scalable acoustic metamaterial resonators that suppress low-frequency noise and harvest acoustic energy using integrated piezoelectric stacks.
Optimal Design of an Acoustic Lens with Anisotropic Metamaterial
By optimizing the sizes of random rigid scatterers in an anisotropic acoustic metamaterial, the lens achieves subwavelength focusing beyond the diffraction limit.
Invisible design and acoustic scattering of metamaterial plates with active feedback control
Active feedback-controlled metamaterial plates are designed to reduce low-frequency acoustic scattering by tuning dynamic effective density, enabling “invisible” behavior for underwater vehicles.
Thin Acoustic-Composite Structures With Metamaterial Inclusions for Enhanced Low-Frequency Sound Absorption
Thin porous acoustic composites with tunable labyrinthine metamaterial inclusions achieve enhanced low-frequency absorption via multiresonant behavior confirmed by acoustic tests.
Transmission loss of a labyrinthine acoustic metamaterial augmented with multichannel feedforward active noise control
A labyrinthine acoustic metamaterial is augmented with multichannel feedforward active noise control to improve transmission loss.
Inverse design of acoustic metamaterial sound barriers for road traffic noise control
An inverse-design framework links measured road-noise spectra to optimized nested-Helmholtz acoustic metamaterial unit cells, yielding broader bandgap attenuation confirmed by impedance-tube tests and field trials.
Recently published
Latest research →Bio-inspired re-entrant honeycomb metamaterial with programmable dual-plateau mechanical response
A bio-inspired re-entrant honeycomb mechanical metamaterial is described as having a programmable dual-plateau mechanical response.
Modelling the thermo-mechanical responses and shape recovery performance of particle-reinforced shape memory polymer composites in cold and hot programming
A study focused on modeling thermo-mechanical behavior and shape recovery of particle-reinforced shape-memory polymer composites when programmed in cold versus hot conditions.
Functional Shape Recovery Response of Heat-Treated NiTiCu SHAPE Memory Alloy Wire
Heat treatment of NiTiCu shape memory alloy wires enhances their shape recovery response, achieving a high recovery ratio.
Dorsiventrally Bicolored Leaf‐Inspired Metamaterial Absorbers for Tailorable Electromagnetic Absorption
This research proposes a bioinspired metamaterial that achieves high-performance, tailorable electromagnetic absorption across a broad frequency range.
