Fault Diagnosis of Beam-Like Structure Using Modified Fuzzy Technique

Table 5

Measured nondimensional natural frequencies and mode shape differences of fixed-fixed beam.

Sl. number	Test points		Nondimensional natural frequency			Nondimensional mode shape differences
	1	Uncrack	0.000	1.000	1.000	1.000	0.000	0.000	0.000
2	0.125	0.200	0.935	0.957	0.952	0.262	0.226	0.309
3	0.125	0.300	0.924	0.955	0.95	0.378	0.315	0.378
4	0.125	0.400	0.909	0.943	0.948	0.175	0.034	0.082
5	0.250	0.200	0.941	0.962	0.955	0.141	−0.082	0.189
6	0.250	0.300	0.919	0.961	0.939	0.012	−0.805	0.242
7	0.250	0.400	0.932	0.957	0.937	0.178	0.059	0.372
8	0.375	0.200	0.937	0.95	0.954	0.065	0.239	0.394
9	0.375	0.300	0.929	0.948	0.951	0.078	0.291	0.376
10	0.375	0.400	0.931	0.942	0.949	−0.035	0.296	0.39