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

Table 1

Natural frequencies () of the tuned blade packet with varying stiffness ratios.

Mode	Submode	= 0.1	= 0.25	= 0.5	= 1.0
1	I	1.8751	1.8751	1.8751	1.8751
	II	1.9189	1.9790	2.0675	2.2135
	III	1.9978	2.1448	2.3318	2.5932
2	I	4.6941	4.6941	4.6941	4.6941
	II	4.6970	4.7014	4.7087	4.7234
	III	4.7028	4.7160	4.7383	4.7836
3	I	7.8548	7.8548	7.8548	7.8548
	II	7.8554	7.8563	7.8579	7.8610
	III	7.8566	7.8594	7.8641	7.8735