Modeling Three-dimensional Ultrasonic Guided Wave Propagation and Scattering in Circular Cylindrical Structures using Finite Element Approach
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In this article, a large number of numerical simulation experiments are carried out using finite element method based on commercial software ABAQUS, the longitudinal mode and torsional mode of the propagation characteristics and laws were analyzed in the hollow cylinder, and the optimum excitation mode and frequency were investigated through signal processing algorithms.About:
This article is published in Physics Procedia.The article was published on 2011-01-01 and is currently open access. It has received 14 citations till now. The article focuses on the topics: Guided wave testing & Reflection coefficient.read more
Citations
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Journal ArticleDOI
Detection, Localisation and Assessment of Defects in Pipes Using Guided Wave Techniques: A Review.
TL;DR: This paper aims to provide an overview of the experimental and simulation works focused on the detection, localisation and assessment of various defects in pipes by applying fast-screening guided ultrasonic wave techniques that have been used in the oil and gas industries over the past 20 years.
Journal ArticleDOI
Development of ultrasonic guided wave inspection methodology for steam generator tubes of prototype fast breeder reactor.
TL;DR: The thermal expansion bend of an SG tube shows that the bend does not have much influence on the mode and the multiple circumferential defects considered in the bend are detected with good sensitivity and excellent correlation between finite element simulation and experimental results.
Journal ArticleDOI
Characterization of the Use of Low Frequency Ultrasonic Guided Waves to Detect Fouling Deposition in Pipelines
TL;DR: The findings demonstrate the potential to detect fouling build-up in lengthy pipes and to quantify its thickness by the reduction in amplitude found from further numerical investigation, and can be exploited to optimize the power ultrasonic fouling removal procedure.
Journal ArticleDOI
Research on Pipeline Damage Imaging Technology Based on Ultrasonic Guided Waves
TL;DR: In this article, the authors used L(0,2) mode guided waves to identify, locate, and image single and double defects in straight pipe structures, and the influence of different excitation frequencies on the reflection coefficient of L( 0, 2) modal guided wave is studied.
Book ChapterDOI
Numerical Simulation of Ultrasonic Torsional Guided Wave Propagation for Pipes with Defects
TL;DR: In this paper, an experimental pipe is subjected to the propagation of the torsional guided wave and numerical models are constructed for a sample pipe without defect and two sample pipes with two different types of defects: a notch and a notch with a hole.
References
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Journal ArticleDOI
Three‐Dimensional Investigation of the Propagation of Waves in Hollow Circular Cylinders. I. Analytical Foundation
TL;DR: In this paper, the propagation of free harmonic waves along a hollow circular cylinder of infinite extent is discussed within the framework of the linear theory of elasticity, and a characteristic equation appropriate to the circular hollow cylinder is obtained by use of the Helmholtz potentials for arbitrary values of the physical parameters involved.
Journal ArticleDOI
The reflection of the fundamental torsional mode from cracks and notches in pipes
TL;DR: A quantitative study of the reflection of the T(0,1) mode from defects in pipes in the frequency range 10-300 kHz has been carried out, finite element predictions being validated by experiments on selected cases.
Journal ArticleDOI
The variation of the reflection coefficient of extensional guided waves in pipes from defects as a function of defect depth, axial extent, circumferential extent and frequency:
TL;DR: In this paper, the reflection coefficients of extensional guided modes from notches of different axial, circumferential and through-thickness extent in pipes of different diameters have been studied using finite element analysis.
Journal ArticleDOI
An FEM Simulation for Guided Elastic Wave Generation and Reflection in Hollow Cylinders With Corrosion Defects
TL;DR: In this article, the generation and reflection of guided elastic waves in hollow cylinders with corrosion defects have been investigated numerically for the purpose of nondestructive evaluation (NDE) of tubular structures.
Journal ArticleDOI
Approach to Lamb Wave Lateral Crack Quantification in Elastic Plate Based on Reflection and Transmission Coefficients Surfaces
TL;DR: In this article, an approach for lateral crack quantification based on these reflection and transmission coefficients surfaces was proposed, and the quantification examples show that the presented approach gives acceptable accuracy.
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