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Proceedings Paper

Simulation of effect of bending stress on the ultrasonic beam
Author(s): Ajay M. Koshti
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Paper Abstract

An instrument called the ultrasonic extensometer is used to measure tensile preload in bolts used in structural joints. The instrument can also be used to measure bending in bolts used in shear joints. The bolt bending creates a bending stress in the bolt. The bending stress causes the ultrasonic beam to bend slightly. The paper develops theory governing the path of ultrasonic beam passing through the bending stress field. The theoretical differential equations are solved to provide a numerical solution to trace the path of ultrasonic beam. A numerical example is provided to illustrate the solution. In addition, the paper discusses the effect of beam bending on the ultrasonic measurement of bending loads on a bolt.

Paper Details

Date Published: 11 June 2002
PDF: 9 pages
Proc. SPIE 4702, Smart Nondestructive Evaluation for Health Monitoring of Structural and Biological Systems, (11 June 2002); doi: 10.1117/12.469874
Show Author Affiliations
Ajay M. Koshti, Boeing Co. (United States)


Published in SPIE Proceedings Vol. 4702:
Smart Nondestructive Evaluation for Health Monitoring of Structural and Biological Systems
Tribikram Kundu, Editor(s)

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