Reconfigurable Surfaces
Surfaces whose geometry or properties can be reconfigured.
Architecting three-dimensional reconfigurable matter from pop-up kirigami with programmable multistability
This research presents a new platform for creating programmable multistable pop-up kirigami systems that can transform into complex 3D shapes.
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.
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.
Overcoming dead zones in ultrasonic sensors with acoustic metamaterial
Helmholtz resonator-based acoustic metamaterials reduce ultrasonic group velocity near resonance, improving time resolution and enabling more accurate distance sensing within the sensor dead zone.
A postbuckling-based metamaterial for switching the propagation of surface acoustic waves
A postbuckling-based elastic-beam metamaterial can switch surface acoustic wave propagation by toggling between a bandgap (OFF) and bandgap elimination via buckling (ON), using only mechanical effects.
Unlocking acoustic magic: Machine learning for on-demand metamaterial design
Machine learning and generative inverse design are being used to engineer acoustic metamaterial structures that meet specified performance targets, aiming to reduce simulation cost and expand design space.
Input impedance-matching metamaterial to enhance ultrasonic pulse transmission through an acoustic barrier
An impedance-matching acoustic metamaterial with a virtual intermediate layer improves ultrasonic pulse transmission through an acoustic barrier, experimentally boosting transmitted energy by 7.78×.
Dynamic shaping of multi-touch stimuli by programmable acoustic metamaterial
A programmable acoustic metamaterial is used to dynamically shape multi-touch stimuli.
Interpretable SHAP-bounded Bayesian optimization for underwater acoustic metamaterial coating design
An interpretability-informed Bayesian optimization method uses SHAP to refine design-space bounds and improve underwater acoustic metamaterial coating designs without extra simulations.
Physics-Informed Neural Networks for Programmable Origami Metamaterials with Controlled Deployment
A data-free physics-informed neural network enables inverse design of conical Kresling origami metamaterials with programmable multistable energy barriers and controlled, sequential deployment validated on prototypes.
Gear acoustic metamaterial bandgap sound insulation characteristics and optimized design
A gear acoustic metamaterial is optimized (via genetic algorithm) to widen its acoustic bandgap, yielding broadband noise reduction with experimentally reported ~29.6 dB insulation in the band.
Acoustic Wavefront Shaping Using Ultrahigh Phase Resolution Metamaterial
A transmissive acoustic metamaterial unit cell with a rotated bilateral symmetrical T-shaped structure provides high phase-delay resolution for sound focusing and steering.
On the Shape Containment Problem within the Amoebot Model with Reconfigurable Circuits
It studies how amoebot particles in programmable matter can contain a desired shape without movement, proving runtime bounds and giving efficient algorithms for specific shape classes.
Topologically Variable and Volumetric Morphing of 3D Architected Materials with Shape Locking
A generalized inverse design method maps bistable unit cells to 3D morphing targets, enabling volumetric, shape-locked morphing structures and expanded tunable-property design space.
Fundamental absorption bandwidth to thickness limit for transparent homogeneous layers
A universal bandwidth-to-thickness limit for transparent homogeneous absorber layers is derived via Kramers–Kronig relations and supported by simulations and metamaterial modeling.
Optical non-Hermitian skin effect in two-dimensional uniform media
A theory shows optical non-Hermitian skin modes can localize in uniform anisotropic lossy media, with localization set by an effective gauge potential and implementable via subwavelength multilayer metamaterials.
Toroidic and antitoroidic orders in hexagonal arrays of dielectric trimers: magnetic group approach
By breaking specific symmetries in hexagonal dielectric trimer arrays, the authors enable polarization-sensitive toroidal and antitoroidal dipole resonances with high-Q light-matter interaction.
Localising elastic edge waves via the topological rainbow effect
A graded topological metasurface localises and redirects elastic edge-wave energy through an adiabatic “topological rainbow” transition, enabling robust mode control and chiral beam partitioning.
The role of seismic metamaterials on soil dynamics
It presents a time-modulated seismic metamaterial concept for structured soils, linked to in-situ seismic lens observations and potential energy harvesting and analogous computation using ambient seismic noise.
Photonic Chern insulators made of gyromagnetic hyperbolic metamaterials
Gyromagnetic hyperbolic metamaterials are shown (via theory and electromagnetic simulations) to form photonic Chern insulators with non-radiative, robust, magnetically switchable unidirectional edge waveguiding.
Optical analog of particle production in gravitational fields
Electromagnetic metamaterial waveguides can be engineered to mimic extremely strong gravitational fields, producing an optical analog of particle creation.
Topological bands and triply-degenerate points in non-Hermitian hyperbolic metamaterials
A non-Hermitian topological band description for continuous hyperbolic metamaterials reveals triply-degenerate points with quantized topological charges and supports bulk-edge correspondence via Maxwell-equation simulations.
Towards a Circular Economy via Intelligent Metamaterials
Software-commandable intelligent metasurfaces/metamaterials are proposed as a design enabler to tune electromagnetic/acoustic/mechanical behavior and reduce waste via circular economy principles.