Damage Detection in Grid Structures Using Limited Modal Test Data

Table 2

Simulated cases of grid structure damage.

Damage type	Damaged member	Element number	Damage extent
A	Top chord	23	20%
B	Diagonal member	1	20%
C	Bottom chord	32	20%
D	Top chord	23, 26	20%
E	Diagonal member	1, 9	20%
F	Bottom chord	31, 32	20%