Fault Diagnosis of Beam-Like Structure Using Modified Fuzzy Technique

Table 4

Computed 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	0.939	0.954	0.941	0.265	0.239	0.302
3	0.125	0.300	0.925	0.951	0.939	0.373	0.305	0.373
4	0.125	0.400	0.912	0.943	0.949	0.162	0.025	0.081
5	0.250	0.200	0.933	0.956	0.942	0.127	−0.085	0.174
6	0.250	0.300	0.926	0.949	0.941	0.017	0.811	0.234
7	0.250	0.400	0.919	0.949	0.927	0.182	0.057	0.404
8	0.375	0.200	0.926	0.941	0.945	0.075	0.224	0.372
9	0.375	0.300	0.921	0.941	0.939	0.077	0.309	0.379
10	0.375	0.400	0.929	0.938	0.939	−0.042	0.311	0.381