Additive manufacturing of metamaterials: A review

M Askari, DA Hutchins, PJ Thomas, L Astolfi… - Additive …, 2020 - Elsevier
Metamaterials exhibit properties beyond those exhibited by conventional materials in
conventional scenarios. These have been investigated both theoretically and experimentally …

Modeling and experimental verification of an ultra-wide bandgap in 3D phononic crystal

L D'Alessandro, E Belloni, R Ardito… - Applied Physics …, 2016 - pubs.aip.org
This paper reports a comprehensive modeling and experimental characterization of a three-
dimensional phononic crystal composed of a single material, endowed with an ultra-wide …

Bandgap engineering of three-dimensional phononic crystals in a simple cubic lattice

F Lucklum, MJ Vellekoop - Applied Physics Letters, 2018 - pubs.aip.org
In this work, we present a comprehensive theoretical and experimental study of three-
dimensional phononic crystals arranged in a simple cubic lattice. The band structure is …

Design and additive manufacturing of 3D phononic band gap structures based on gradient based optimization

M Wormser, F Wein, M Stingl, C Körner - Materials, 2017 - mdpi.com
We present a novel approach for gradient based maximization of phononic band gaps. The
approach is a geometry projection method combining parametric shape optimization with …

Experimental study of passive seismic vibration isolation by trench-type periodic barrier

N Ramaswamy, B Joshi, J Wang, X Li, FY Menq… - Engineering …, 2023 - Elsevier
Seismic isolation systems protect structures and act as decoupling systems with the
structure, which aims to uncouple the motion of the structure from incoming waves by …

Complete phononic band gaps in the 3D Yablonovite structure with spheres

N Aravantinos-Zafiris, F Lucklum, MM Sigalas - Ultrasonics, 2021 - Elsevier
In this work we present the theoretical and experimental verification of complete phononic
band gaps in the Yablonovite structure with additional spheres in a face-centered cubic …

Design and fabrication challenges for millimeter-scale three-dimensional phononic crystals

F Lucklum, MJ Vellekoop - Crystals, 2017 - mdpi.com
While phononic crystals can be theoretically modeled with a variety of analytical and
numerical methods, the practical realization and comprehensive characterization of complex …

Wave directionality in three-dimensional periodic lattices

A Bayat, S Gaitanaros - Journal of Applied …, 2018 - asmedigitalcollection.asme.org
This work focuses on elastic wave propagation in three-dimensional (3D) low-density
lattices and explores their wave directionality and energy flow characteristics. In particular …

Phononic-fluidic cavity sensors for high-resolution measurement of concentration and speed of sound in liquid solutions and mixtures

F Lucklum - Measurement Science and Technology, 2021 - iopscience.iop.org
A phononic-fluidic cavity sensor is a new type of acoustic fluid sensor to measure volumetric
liquid properties. In our work, it consists of solid-air 3D phononic crystal (PnC) layers …

Dual audible-range band gaps in three-dimensional locally resonant phononic crystals

KLS Yip, S John - Physical Review B, 2023 - APS
We describe a simple and transparent physical model for local acoustic resonances and
their interactions in three-dimensional phononic crystals. The widely quoted point-mass-in-a …