Topological rainbow trap** for elastic energy harvesting in graded Su-Schrieffer-Heeger systems
We amalgamate two fundamental designs from distinct areas of wave control in physics, and
place them in the setting of elasticity. Graded elastic metasurfaces, so-called metawedges …
place them in the setting of elasticity. Graded elastic metasurfaces, so-called metawedges …
[PDF][PDF] Long range guided wave inspection usage–current commercial capabilities and research directions
Guided wave inspection of pipelines is now in routine use worldwide. The technique offers
the possibility of rapid screening of long lengths of pipework for corrosion and other defects …
the possibility of rapid screening of long lengths of pipework for corrosion and other defects …
A Bayesian approach to optimal sensor placement for structural health monitoring with application to active sensing
This paper introduces a novel approach for optimal sensor and/or actuator placement for
structural health monitoring (SHM) applications. Starting from a general formulation of Bayes …
structural health monitoring (SHM) applications. Starting from a general formulation of Bayes …
Delineating rainbow reflection and trap** with applications for energy harvesting
Important distinctions are made between two related wave control mechanisms that act to
spatially separate frequency components; these so-called rainbow mechanisms either slow …
spatially separate frequency components; these so-called rainbow mechanisms either slow …
Gradient index lenses for flexural waves based on thickness variations
This work presents a method for the realization of gradient index devices for flexural waves
in thin plates. Unlike recent approaches based on phononic crystals, the present approach …
in thin plates. Unlike recent approaches based on phononic crystals, the present approach …
Combined analytical FEM approach for efficient simulation of Lamb wave damage detection
Lamb waves have been widely explored as a promising inspection tool for non-destructive
evaluation (NDE) and structural health monitoring (SHM). This article presents a combined …
evaluation (NDE) and structural health monitoring (SHM). This article presents a combined …
Modelling of Lamb waves for damage detection in metallic structures: Part II. Wave interactions with damage
BC Lee, WJ Staszewski - Smart materials and structures, 2003 - iopscience.iop.org
Lamb waves have shown great potential for structural health monitoring. The technique is
based on guided ultrasonic waves introduced into a structure at one point and sensed at a …
based on guided ultrasonic waves introduced into a structure at one point and sensed at a …
The low-frequency reflection and scattering of the Lamb mode from a circular through-thickness hole in a plate: Finite Element, analytical and experimental studies
A study of the interaction of the S 0 Lamb wave with a circular through-thickness hole in a
plate is presented. The study is limited to the nondispersive frequency range of this wave, in …
plate is presented. The study is limited to the nondispersive frequency range of this wave, in …
Scattering of flexural waves by a pit of quadratic profile inserted in an infinite thin plate
O Aklouche, A Pelat, S Maugeais, F Gautier - Journal of Sound and …, 2016 - Elsevier
An acoustic black hole (ABH) is a pit of power law profile inserted in a plate with internal
dam**. Such a pit with varying thickness leads to local variations of wave propagation …
dam**. Such a pit with varying thickness leads to local variations of wave propagation …
Recent advances in coherent perfect absorber-lasers and their future applications
In recent years, peculiar physical phenomena enabled by non-Hermitian systems, especially
the parity-time (PT)-symmetric systems, have drawn tremendous research interests …
the parity-time (PT)-symmetric systems, have drawn tremendous research interests …