id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-644	Plachý, T.; Polák, M.	Nondestructive Damage Detection Based on Modal Analysis	2004	12	.pdf	application/pdf	3998	137	57	For damage detection and localization on this bridge the use of natural frequency changes, changes of mode surface curvature CAMOSUC( j),x, changes of modal flexibil- ity matrix �[�] and the second derivative of changes of the di- agonal members of a modal flexibility matrix �[ ]� �� proved to be appropriate. Keywords: modal analysis, natural mode, natural frequency, damage detection, MAC, COMAC, service life, fatigue.	cache/ap-644.pdf	txt/ap-644.txt