Development of a New Cracked Mindlin Plate Element

Table 6

Example 3: comparison of the ratios of the first four natural frequencies (Δ𝜔_𝑖=𝜔^𝑐𝑖/𝜔_𝑖) of a cantilever plate.

Mode	Guan-liang et al. [5]	Krawczuk [8]	Guan-liang et al. [5] (Experiments)	Present 𝑡/𝐿=0.01
1st	0.9931	0.9891	0.9917	0.9940
2nd	0.9989	0.9985	0.9981	0.9992
3rd	0.9837	0.9826	0.9807	0.9910
4th	—	—	—	0.9923