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Three dimensional flaw identification using sensitivity analysis

Author(s): S.C. Mailings & M.H. Aliabadi Abstract: In this paper, a three dimensional crack identification method is presented. The optimisation process is described and potential analysis is carried out with use of the Dual Boundary Element Method (DEEM). Design sensitivites are computed with a new derivative Dual Boundary Element formulation. An example is presented to demonstrate the efficiency of the proposed method together with a comparison of various optimisation methods. 1 Introduction Non-Destructive Testing (NDT) of components in industry is often used to detect cracks and determine their effect on the component's life span. Components found to contain insignificant cracks may be allowed to continue in use, whilst others with larger cracks are discarded. Howeve... Pages: 8 Size: 601 kb Paper DOI: 10.2495/BE940171

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Download the Full Article This article is part of the WIT OpenView scheme and you can download the full text Adobe PDF article for FREE by clicking the 'Openview' icon to the right.