Abstract
In this paper a crack identification method for plates is presented using both a genetic algorithm (GA) and FEM. In addition to an edge crack, this paper is concerned with an internal crack of plates. To identify the crack location and the width from frequency measurements, FEM program is also developed to calculate the natural frequencies of the cracked plates. The width and the position of the crack in the plate are estimated by using these natural frequencies and the GA. The availability of the proposed method is confirmed by results of numerical simulation.
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