New passive defect detection technique

Wildy, Stuart, Kotousov , Andrei and Codrington, John (2007). New passive defect detection technique. In: Martin Veidt, Faris Albermani, Bill Daniel, John Griffiths, Doug Hargreaves, Ross McAree, Paul Meehan and Andy Tan, Proceedings of the 5th Australasian Congress on Applied Mechanics (ACAM 2007). 5th Australasian Congress on Applied Mechanics (ACAM 2007), Brisbane, Australia, (221-226). 10-12 December, 2007.

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Author Wildy, Stuart
Kotousov , Andrei
Codrington, John
Title of paper New passive defect detection technique
Conference name 5th Australasian Congress on Applied Mechanics (ACAM 2007)
Conference location Brisbane, Australia
Conference dates 10-12 December, 2007
Proceedings title Proceedings of the 5th Australasian Congress on Applied Mechanics (ACAM 2007)
Place of Publication Brisbane, Australia
Publisher Engineers Australia
Publication Year 2007
Year available 2008
Sub-type Fully published paper
ISBN 0 8582 5862 5
Editor Martin Veidt
Faris Albermani
Bill Daniel
John Griffiths
Doug Hargreaves
Ross McAree
Paul Meehan
Andy Tan
Volume 1
Start page 221
End page 226
Total pages 6
Collection year 2007
Language eng
Abstract/Summary Detecting localised damage, such as small cracks in many structural components, is still a difficult problem in the field of structural health monitoring (SHM). A number of techniques have been developed in the past two decades for on-line detection and assessment of damage in various structures. The greatest challenge of the on-line SHM techniques is the correct interpretation of the collected data. For example, in passive SHM techniques it is very difficult to distinguish between the damage development and the change in loading and environmental conditions. This paper discusses the development of a new passive method of damage detection based on the most fundamental concept in Continuum Mechanics: the concept of compatibility of strain field, which was undeservedly overlooked in SHM techniques. The main feature of this method is its invariance to changing loading conditions. The examples considered in this paper demonstrate a good potential of this method for many practical applications.
Subjects 290501 Mechanical Engineering
0913 Mechanical Engineering
Keyword Crack detection
Non-destructive evaluation technique
Strain compatibility
Structural health monitoring
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Mon, 10 Mar 2008, 14:39:27 EST by Thelma Whitbourne on behalf of School of Engineering