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

Table 5

Effect of mistuning due to lacing wire damage (for = 0.5) 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	2.0675	2.0480	2.0211	1.9844	1.9363	1.8751
	III	2.3318	2.3005	2.2721	2.2479	2.2285	2.2135
2	I	4.6941	4.6941	4.6941	4.6941	4.6941	4.6941
	II	4.7087	4.7070	4.7047	4.7018	4.6982	4.6941
	III	4.7383	4.7340	4.7304	4.7274	4.7251	4.7234
3	I	7.8548	7.8548	7.8548	7.8548	7.8548	7.8548
	II	7.8579	7.8575	7.8570	7.8564	7.8556	7.8548
	III	7.8641	7.8632	7.8624	7.8618	7.8613	7.8610