Modeling Approach for Predicting the Rate of Frequency Change of Notched Beam Exposed to Gaussian Random Excitation

Table 1

FEM and analytical 𝐾_𝐼,rms.

Crack extension; (in)	𝐾𝐼,rms (ksi-in^1/2); FEM	𝐾𝐼,rms (ksi-in^1/2); Analytical
0	4.49	5.26
0.0206	8.67	7.77
0.031	8.16	7.32
0.0516	10.63	9.56