IMPACT TEST AND MODAL ANALYSIS (CROSBI ID 543340)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Sedlar, Damir ; Lozina, Željan ; Tomac, Ivan
engleski
IMPACT TEST AND MODAL ANALYSIS
This paper investigates modal parameters estimation methods using modeFrontier software. First, finite element model was developed and modal parameters obtained. Then, experiment is performed and frequency response function (FRF) is measured by impact test. Modal parameters can be identified from measured FRF. In this paper modal parameters such as natural frequencies, mode shapes and damping factors are obtained from measured FRF using peak amplitude method. This method is quick and results obtained this way are used as starting points for curve fitting. Curve fitting is done using modeFrontier optimization methods, such as simplex and genetic algorithm. Modal parameters obtained this way are compared with modal parameters obtained by finite element method.
modal analysis; impact test; modal parameters estimation; modeFrontier; finite element method
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Podaci o prilogu
2008.
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objavljeno
978-83-7493-386-5
Podaci o matičnoj publikaciji
7th Youth Symposium on Experimental Solid Mechanics
Wojcieszyce:
Podaci o skupu
7th Youth Symposium on Experimental Solid Mechanics
predavanje
14.05.2008-17.05.2008
Wojcieszyce, Poljska