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Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams. / Anand, Chirag; Delrue, Steven; Jeong, Hyunjo; Shroff, Sonell; Groves, Roger M.; Benedictus, Rinze.

In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 67, No. 1, 8805119, 2020, p. 106-116.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Anand, C, Delrue, S, Jeong, H, Shroff, S, Groves, RM & Benedictus, R 2020, 'Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams' IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 67, no. 1, 8805119, pp. 106-116. https://doi.org/10.1109/TUFFC.2019.2936106

APA

Anand, C., Delrue, S., Jeong, H., Shroff, S., Groves, R. M., & Benedictus, R. (2020). Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 67(1), 106-116. [8805119]. https://doi.org/10.1109/TUFFC.2019.2936106

Vancouver

Anand C, Delrue S, Jeong H, Shroff S, Groves RM, Benedictus R. Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 2020;67(1):106-116. 8805119. https://doi.org/10.1109/TUFFC.2019.2936106

Author

Anand, Chirag ; Delrue, Steven ; Jeong, Hyunjo ; Shroff, Sonell ; Groves, Roger M. ; Benedictus, Rinze. / Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams. In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 2020 ; Vol. 67, No. 1. pp. 106-116.

BibTeX

@article{e1be0a43078548deb069ee45a64d3000,
title = "Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams",
abstract = "Phased array ultrasonic testing is widely used to test structures for flaws due to its ability to produce steered and focused beams. The inherent anisotropic nature of some materials, however, leads to skewing and distortion of the phased array beam and consequently measurement errors. To overcome this, a quantitative model of phased array beam propagation in such materials is required, so as to accurately model the skew and the distortion. The existing phased array beam models which are based on exact methods or numerical methods are computationally expensive or time consuming. This article proposes a modeling approach based on developing the linear phased multi-Gaussian beam (MGB) approach to model beam steering in anisotropic media. MGBs have the advantages of being computationally inexpensive and remaining non-singular. This article provides a comparison of the beam propagation modeled by the developed ordinary Gaussian beam and linear phased Gaussian beam models through transversely isotropic austenitic steel for different steering angles. It is shown that the linear phased Gaussian beam model outperforms the ordinary one, especially at steering angles higher than 20° in anisotropic solids. The proposed model allows us to model the beam propagation from phased arrays in both isotropic and anisotropic media in a way that is computationally inexpensive. As a further step, the developed model has been validated against a finite element model (FEM) computed using COMSOL Multiphysics.",
keywords = "Anisotropy, beam modeling, multi-Gaussian, ultrasonic transducer arrays, Phased arrays, Transducers, Computational modeling, Media, Acoustics, Numerical models, Acoustic beams",
author = "Chirag Anand and Steven Delrue and Hyunjo Jeong and Sonell Shroff and Groves, {Roger M.} and Rinze Benedictus",
year = "2020",
doi = "10.1109/TUFFC.2019.2936106",
language = "English",
volume = "67",
pages = "106--116",
journal = "IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control",
issn = "0885-3010",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "1",

}

RIS

TY - JOUR

T1 - Simulation of ultrasonic beam propagation from phased arrays in anisotropic media using linearly phased multi-Gaussian beams

AU - Anand, Chirag

AU - Delrue, Steven

AU - Jeong, Hyunjo

AU - Shroff, Sonell

AU - Groves, Roger M.

AU - Benedictus, Rinze

PY - 2020

Y1 - 2020

N2 - Phased array ultrasonic testing is widely used to test structures for flaws due to its ability to produce steered and focused beams. The inherent anisotropic nature of some materials, however, leads to skewing and distortion of the phased array beam and consequently measurement errors. To overcome this, a quantitative model of phased array beam propagation in such materials is required, so as to accurately model the skew and the distortion. The existing phased array beam models which are based on exact methods or numerical methods are computationally expensive or time consuming. This article proposes a modeling approach based on developing the linear phased multi-Gaussian beam (MGB) approach to model beam steering in anisotropic media. MGBs have the advantages of being computationally inexpensive and remaining non-singular. This article provides a comparison of the beam propagation modeled by the developed ordinary Gaussian beam and linear phased Gaussian beam models through transversely isotropic austenitic steel for different steering angles. It is shown that the linear phased Gaussian beam model outperforms the ordinary one, especially at steering angles higher than 20° in anisotropic solids. The proposed model allows us to model the beam propagation from phased arrays in both isotropic and anisotropic media in a way that is computationally inexpensive. As a further step, the developed model has been validated against a finite element model (FEM) computed using COMSOL Multiphysics.

AB - Phased array ultrasonic testing is widely used to test structures for flaws due to its ability to produce steered and focused beams. The inherent anisotropic nature of some materials, however, leads to skewing and distortion of the phased array beam and consequently measurement errors. To overcome this, a quantitative model of phased array beam propagation in such materials is required, so as to accurately model the skew and the distortion. The existing phased array beam models which are based on exact methods or numerical methods are computationally expensive or time consuming. This article proposes a modeling approach based on developing the linear phased multi-Gaussian beam (MGB) approach to model beam steering in anisotropic media. MGBs have the advantages of being computationally inexpensive and remaining non-singular. This article provides a comparison of the beam propagation modeled by the developed ordinary Gaussian beam and linear phased Gaussian beam models through transversely isotropic austenitic steel for different steering angles. It is shown that the linear phased Gaussian beam model outperforms the ordinary one, especially at steering angles higher than 20° in anisotropic solids. The proposed model allows us to model the beam propagation from phased arrays in both isotropic and anisotropic media in a way that is computationally inexpensive. As a further step, the developed model has been validated against a finite element model (FEM) computed using COMSOL Multiphysics.

KW - Anisotropy

KW - beam modeling

KW - multi-Gaussian

KW - ultrasonic transducer arrays

KW - Phased arrays

KW - Transducers

KW - Computational modeling

KW - Media

KW - Acoustics

KW - Numerical models

KW - Acoustic beams

UR - http://www.scopus.com/inward/record.url?scp=85077295680&partnerID=8YFLogxK

U2 - 10.1109/TUFFC.2019.2936106

DO - 10.1109/TUFFC.2019.2936106

M3 - Article

VL - 67

SP - 106

EP - 116

JO - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control

T2 - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control

JF - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control

SN - 0885-3010

IS - 1

M1 - 8805119

ER -

ID: 68592670