@inproceedings{bfe07a5dd7604c368850fe7e59ff1997,
title = "Identification of local stiffness reduction in cracked elements using the dynamic stiffness method",
abstract = "An identification procedure is presented for cracks along a plane frame element. The cracks are modeled locally as mass less rotational springs that are characterized by their equivalent depth. Using the dynamic stiffness method for the structural model, it is possible to obtain a condensed reduced order system of equations without the loss of accuracy due to size reduction, which is essential in an identification procedure of a full scale structure. The identification procedure is based on changes in natural frequencies and an optimization procedure is used to detect and assess the damage from changes in natural frequencies using Genetic Algorithm (GA). In order to study the efficiency and to examine the reliability of the presented procedure, it has been applied to a two bar plane frame. It was found that the reliability of the procedure is strongly dependent on the chosen size of the initial population, in order to enable accurate identification of the location and severity of the damage.",
keywords = "Crack, Dynamic stiffness, Genetic algorithm, Identification, Rotational spring",
author = "Y. Goldfeld and D. Madvil and M. Eisenberger",
year = "2011",
language = "الإنجليزيّة",
series = "Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011",
pages = "2285--2289",
booktitle = "EURODYN",
note = "8th International Conference on Structural Dynamics, EURODYN 2011 ; Conference date: 04-07-2011 Through 06-07-2011",
}