Naslov
IMPACT TEST AND MODAL ANALYSIS

Autori
Sedlar, Damir ; Lozina, Željan ; Tomac, Ivan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
7th Youth Symposium on Experimental Solid Mechanics / - Wojcieszyce, 2008

ISBN
978-83-7493-386-5

Skup
7th Youth Symposium on Experimental Solid Mechanics

Mjesto i datum
Wojcieszyce, Poljska, 14.05.2008. - 17.05.2008

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
modal analysis; impact test; modal parameters estimation; modeFrontier; finite element method

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

POVEZANOST RADA