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Type: Conference paper
Title: Detection of damage in beams utilising the principle of strain compatibility
Author: Wildy, S.
Kotooussov, A.
Cazzolato, B.
Citation: Proceedings of the International Conference on Crack paths (CP 2009) Vicenza (Italy), 23–25 September 2009.
Publisher: ESIS
Publisher Place: Italy
Issue Date: 2009
Conference Name: International Conference on Crack Paths (2009 : Vicenza, Italy)
Statement of
S.J. Wildy, A.G. Kotousov and B. Cazzolato
Abstract: This paper discusses a new method for damage detection based on the most fundamental concept in continuum mechanics: strain compatibility. Compliance with this principle implies a deformed material is free from discontinuities, which are indicative of many types of structural damage. Therefore the principle of strain compatibility, in its ability to identify discontinuities, is very promising as a new foundation for future research into non-destructive evaluation and structural health monitoring technologies. The proposed method has many advantages compared to existing damage detection techniques, such as its invariance to material properties and the geometry of the structure. To illustrate the application of this technique, the detection of damage in beam structures is investigated. The formulation of the strain compatibility equation for beam structures is introduced and numerical simulations carried out to detect crack and delamination damage in a cantilever beam. The simulations demonstrate that the strain compatibility technique shows high potential for locating and quantifying the severity of damage in beam structures.
Rights: Copyright status unknown
RMID: 0020096504
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Appears in Collections:Mechanical Engineering conference papers
Materials Research Group publications
Environment Institute publications

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