Comparation of Two Damage Identification Methods Applied to Beam Structures
Journal Title: Održavanje - Year 2016, Vol 4, Issue 1
Abstract
This paper aims to present and compare the damage identification results of two methods proposed by the authors for beam-like structures. Both methods use the same numerical and regression models as well as the experimentally obtained values of the beam bending frequencies. The difference between these methods lies in the final stage of their usage. The first method relies on finding three closest intersection points of frequency curves and the second method is based on finding a minimum value of the proposed frequency related functional. The results of damage identification for 28 damage scenarios using the proposed methods are presented and compared in this paper. The comparison showed that the accuracy of both methods is almost the same and depends mostly on the input data quality.
Authors and Affiliations
Elma Ekinović, Nedim Hodžić
Keywords
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