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Journal ArticleDOI

Three‐Dimensional Investigation of the Propagation of Waves in Hollow Circular Cylinders. II. Numerical Results

Denos C. Gazis
- 01 May 1959 - 
- Vol. 31, Iss: 5, pp 573-578
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TLDR
In this article, the results of a numerical evaluation of a characteristic equation derived in Part I, appropriate to free harmonic waves propagated along a hollow cylinder of infinite extent, were given for some representative cylinders covering the entire range from thin shells to solid cylinders.
Abstract: 
The results are given of a numerical evaluation of a characteristic equation derived in Part I, appropriate to free harmonic waves propagated along a hollow cylinder of infinite extent. This equation is evaluated for some representative cylinders covering the entire range from thin shells to solid cylinders, and the results are compared with the corresponding results of a shell theory. Observations are made regarding the variation of the frequency spectrum with the physical parameters, as well as the range of applicability of shell theories.

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Journal ArticleDOI

Study of Wave Motion on Tubulars Using Broad-band Laser Ultrasound

Martin E. Baltazar-Lopez, +3 more
- 01 Oct 2005 - 
TL;DR: In this paper, the authors investigate the transition characteristics of laser-generated ultrasonic waves propagating along the axial and circumferential directions in tubulars and use a non-contact broad-band optical sensor known as fiber-tip interferometry for wave acquisition.
Proceedings ArticleDOI

Change in time-of-flight of longitudinal (axisymmetric) wave modes due to lamination in steel pipes

U. Amjad, +4 more
- 17 Apr 2013 - 
TL;DR: In this paper, the authors investigated the change in time-of-flight (TOF) due to lamination on the surface of a steel pipe and used a cross-correlation technique to attain a higher temporal resolution.
Dissertation

Advanced analytics in maintenance management based on ultrasonic guided waves

Alfredo Arcos Jiménez
TL;DR: The main objective of this research is to approach different techniques of Pattern Recognition using ultrasonic Guided Waves (GWs) applied to WTB and CSP, to provide new solutions for locating, detecting and classifying damages in WTBs.

MECHANICAL ENGINEERING | RESEARCH ARTICLE Wave propagation in a rotating disc of polygonal cross-section immersed in an inviscid fluid

R. Selvamani, +1 more
TL;DR: In this article, the wave propagation in a rotating disc of polygonal cross-section immersed in an inviscid fluid is studied using the Fourier expansion collocation method.
Journal ArticleDOI

Properties of Wave Motion in a Cylindrical Shell, Interacting with Viscous Liquid

Ismail Ibrahimovich Safarov, +2 more
- 04 May 2018 - 
TL;DR: In this article, the propagation of natural waves in a cylindrical shell (elastic or viscoelastic) that is in contact with a viscous liquid is considered.