The Influence on Modal Parameters of Thin Cylindrical Shell under Bolt Looseness Boundary

Table 5

Mode shapes of TCS under BLB with different looseness levels.

Modal; Order	No looseness; ()	25%; looseness; ()	75%; looseness; ()	97.5%; looseness; ()
1	—	(Special)	(Special)	(Special)
2
3
4
5
6
7
8