Journal ArticleDOI
Shear horizontal feature guided ultrasonic waves in plate structures with 90° transverse bends.
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TLDR
Semi-Analytical Finite Element (SAFE) method simulations reveal the existence of a new family of Shear Horizontal (SHB) type of FGW mode in 90° bends in plate structures, demonstrating the SH-like nature of a bend-confined mode identified in studies of power flow across the bend.About:
This article is published in Ultrasonics.The article was published on 2016-02-01. It has received 26 citations till now. The article focuses on the topics: Normal mode & Acoustic wave.read more
Citations
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Journal ArticleDOI
Damage detection in quasi-isotropic composite bends using ultrasonic feature guided waves
TL;DR: In this article, the feasibility of using ultrasonic feature guided waves (FGW) for rapid screening of typical 90° bends made of quasi-isotropic composite laminates is explored.
Journal ArticleDOI
Feature guided wave inspection of bond line defects between a stiffener and a composite plate
TL;DR: In this paper, a feature guided wave (FGW) was used for rapid screening of the bond line between a stiffener and a carbon fiber reinforced polymer (CFRP) composite panel.
Journal ArticleDOI
Detection of damage in welded joints using high order feature guided ultrasonic waves
TL;DR: In this paper, the existence of high order weld-guided wave modes was revealed via the modal analysis of an unbounded welded plate at high frequencies, by using the semi-analytical finite element (SAFE) approach.
Journal ArticleDOI
Numerical modeling of embedded solid waveguides using SAFE-PML approach using a commercially available finite element package
Peng Zuo,Xudong Yu,Zheng Fan +2 more
TL;DR: In this article, a semi-analytical Finite Element (SAFE) method with perfect matched layer (PML) is proposed to understand the behavior of guided waves in embedded waveguides.
Journal ArticleDOI
Anisotropic effects on ultrasonic guided waves propagation in composite bends
TL;DR: Semi-Analytical Finite Element simulations revealing the capability of energy confinement carried by two types of guided modes in 90° carbon fiber/epoxy (CF/EP) bends and the feasibility of using such confined guided waves for rapid inspection of bent composite plate structures is discussed.
References
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Journal ArticleDOI
Matrix techniques for modeling ultrasonic waves in multilayered media
TL;DR: This paper presents a review of the main developments of the matrix techniques, and their use in response and modal models, with emphasis on ultrasonics applications.
Proceedings ArticleDOI
Modeling wave propagation in damped waveguides of arbitrary cross-section
TL;DR: In this article, a semi-analytical finite element (SAFE) method for modeling wave propagation in waveguides of arbitrary cross-section is proposed, and the dispersive solutions are obtained in terms of phase velocity, group velocity, energy velocity, attenuation and cross-sectional mode shapes.
Journal ArticleDOI
Guided wave dispersion curves for a bar with an arbitrary cross-section, a rod and rail example
TL;DR: Theoretical and experimental issues of acquiring dispersion curves for bars of arbitrary cross-section for guided waves have great potential for being applied to the rapid non-destructive evaluation of large structures such as rails in the railroad industry.
Book ChapterDOI
Disperse: a general purpose program for creating dispersion curves
TL;DR: In this article, a general-purpose program that can create dispersion curves for a very wide range of systems and then effectively communicate the information contained within those curves is presented, using the global matrix method to handle multi-layered Cartesian and cylindrical systems.
Journal ArticleDOI
Computation of propagative waves in free rail using a finite element technique
TL;DR: In this paper, the dispersion curves of propagative waves in a free rail are computed by using triangular and quadrilateral finite elements of the cross-section of the waveguide.