Analytical and Numerical Investigation of Lacing Wire Damage Induced Mistuning in Turbine Blade Packet

Table 3

Effect of mistuning due to lacing wire damage (for = 0.1) on natural frequencies.

Mode	Submode	values
		= 0	= 0.2	= 0.4	= 0.6	= 0.8	= 1.0
1	I	1.8751	1.8751	1.8751	1.8751	1.8751	1.8751
	II	1.9189	1.9140	1.9073	1.8987	1.8879	1.8751
	III	1.9978	1.9872	1.9780	1.9703	1.9642	1.9597
2	I	4.6941	4.6941	4.6941	4.6941	4.6941	4.6941
	II	4.6970	4.6967	4.6962	4.6956	4.6949	4.6941
	III	4.7028	4.7020	4.7013	4.7007	4.7002	4.6999
3	I	7.8548	7.8548	7.8548	7.8548	7.8548	7.8548
	II	7.8554	7.8553	7.8552	7.8551	7.8549	7.8548
	III	7.8566	7.8564	7.8563	7.8562	7.8561	7.8560