Experimental Modal Test on a Scale Model of Floating Structure

Park, Soo-Yong; Song, Hwa-Cheol; Park, Dong-Cheon

Journal of Navigation and Port Research 2012;36(2):89-95.
Published online March 31, 2012.

Experimental Modal Test on a Scale Model of Floating Structure

Soo-Yong Park, Hwa-Cheol Song, Dong-Cheon Park

Abstract

Identification of the modal properties of a structural system has received much attention over the years because of its importance in structural model updating, structural health monitoring and structural control. This paper presents experimental modal test results such as natural frequencies and mode shapes of a scale model of floating structure. A modal testing is performed on the structure and modal parameters for the structure are extracted from the measured data. The results are compared to a finite element model and the correlation between the measured and analytical modal parameters is investigated.

Key Words: modal test;floating structure;natural frequency;mode shape;forced vibration

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