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Structural damage assessment as an identification problem (1989)

Soeiro, F. J. ; Hajela, Prabhat

In: CASI

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Publication Date: 2013-08-31

Description: Damage assessment of structural assemblies is treated as an identification problem. A brief review of identification methods is first presented with particular focus on the output error approach. The use of numerical optimization methods in identifying the location and extent of damage in structures is studied. The influence of damage on eigenmode shapes and static displacements is explored as a means of formulating a measure of damage in the structure. Preliminary results obtained in this study are presented and special attention is directed at the shortcomings associated with the nonlinear programming approach to solving the optimization problem.

Keywords: STRUCTURAL MECHANICS

Type: NASA. Langley Research Center, Recent Advances in Multidisciplinary Analysis and Optimization, Part 3; p 1507-1520

Format: application/pdf

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