Piezoelectric energy harvesting using mechanical metamaterials and phononic crystals
Mechanical metamaterials and phononic crystals enable localizing, focusing, and guiding of
elastic or acoustic waves in various ways. Here, we describe the physical mechanisms …
elastic or acoustic waves in various ways. Here, we describe the physical mechanisms …
From defect mode to topological metamaterials: A state-of-the-art review of phononic crystals & acoustic metamaterials for energy harvesting
F Akbari-Farahani, S Ebrahimi-Nejad - Sensors and Actuators A: Physical, 2024 - Elsevier
Recent advances in the field of low-power electronic components production have spurred
research in energy harvesting. Ambient sound can be used as a source of energy, and the …
research in energy harvesting. Ambient sound can be used as a source of energy, and the …
Tailoring structure‐borne sound through bandgap engineering in phononic crystals and metamaterials: a comprehensive review
In solid state physics, a bandgap (BG) refers to a range of energies where no electronic
states can exist. This concept was extended to classical waves, spawning the entire fields of …
states can exist. This concept was extended to classical waves, spawning the entire fields of …
Intelligent on-demand design of phononic metamaterials
With the growing interest in the field of artificial materials, more advanced and sophisticated
functionalities are required from phononic crystals and acoustic metamaterials. This implies …
functionalities are required from phononic crystals and acoustic metamaterials. This implies …
Energy harvesting of Rayleigh surface waves by a phononic crystal Luneburg lens
In this paper, a phononic crystal (PnC) Luneburg lens is designed for harvesting the
mechanical energy of Rayleigh surface waves. The square-latticed PnC is formed by drilling …
mechanical energy of Rayleigh surface waves. The square-latticed PnC is formed by drilling …
Multifunctional applications of topological valley-locked elastic waves
Topological valley metamaterial in classical wave systems has shown great potential for
manipulating electromagnetic, acoustic, and elastic waves due to the defect-immune and …
manipulating electromagnetic, acoustic, and elastic waves due to the defect-immune and …
Flexural wave energy harvesting by the topological interface state of a phononic crystal beam
In this study, we design the 3D-printed phononic crystal (PnC) beam with the topological
interface state for harvesting the mechanical energy of flexural waves. The PnC beam is …
interface state for harvesting the mechanical energy of flexural waves. The PnC beam is …
Acoustic and mechanical metamaterials for energy harvesting and self-powered sensing applications
Metamaterials are artificially engineered structures that exhibit extraordinary properties
beyond the constituent materials, making them attractive for various applications in optics …
beyond the constituent materials, making them attractive for various applications in optics …
Acoustic energy harvesting based on topological states of multi-resonant phononic crystals
Recently, topological phononic crystals can be well utilized to design acoustic energy
harvesting devices, and the properties of topological state can improve the robustness …
harvesting devices, and the properties of topological state can improve the robustness …
Metamaterial based piezoelectric acoustic energy harvesting: Electromechanical coupled modeling and experimental validation
Piezoelectric energy harvesting technology utilizing acoustic metamaterials investigated by
experiment and simulation improves the sound energy density and conversion efficiency. A …
experiment and simulation improves the sound energy density and conversion efficiency. A …