Experimental verification of an approximate technoque for damage identification in beams using nonlinear regression analysis of bending frequency changes

Ekinovic, Elma; Doleček, Vlatko; Dolinšek, Slavko; Hodzic, Nedim

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Naslov:	Experimental verification of an approximate technoque for damage identification in beams using nonlinear regression analysis of bending frequency changes
Avtorji:	ID Ekinovic, Elma (Avtor) ID Doleček, Vlatko (Avtor) ID Dolinšek, Slavko (Avtor) ID Hodzic, Nedim (Avtor)
Datoteke:	http://annals.fih.upt.ro/pdf-full/2010/ANNALS-2010-1-06.pdf
Jezik:	Angleški jezik
Vrsta gradiva:	Delo ni kategorizirano
Tipologija:	1.01 - Izvirni znanstveni članek
Organizacija:	FM - Fakulteta za management
Opis:	This paper presents the experimental verification of an approximate technique for damage identification in beam-like structures, which is based on the use of bending frequency changes and nonlinear regression analysis. The proposed technique was explained in details in [7] so only few necessary steps are recalled here. The identification of damage location and its depth is performed by use of experimentally measured frequency changes and previously established regression relations between bending frequency changes and damage parameters. The experiments were performed on the intact and damaged beams. The damage in these experiments is made by saw cut as a narrow open notch perpendicular to the beam axis. The results of identification are promising taking into account inevitable modelling and measurement errors.
Ključne besede:	damage identification, frequency changes, finite element analysis, nonlinear regression
Leto izida:	2010
Št. strani:	str. 43-50
Številčenje:	Tome 8, Fasc. 1
PID:	20.500.12556/RUP-4142
ISSN:	1584-2665
UDK:	519.23
COBISS.SI-ID:	3666135
Datum objave v RUP:	15.10.2013
Število ogledov:	3264
Število prenosov:	78
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Jezik:	Neznan jezik
Ključne besede:	prepoznavanje škode, metode

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