Earthquake and Wave Analysis of Circular Cylinder considering Water-Structure-Soil Interaction

Table 1

The first natural frequency of a circular cylinder with E = 29.4 GPa, ρ_s = 2450 kg/m³, and h = 20 m.

a/h	Reference [15] (rad/s)	Present study (rad/s)	Difference (%)
0.025	6.530	6.507	0.35
0.030	7.855	7.827	0.36
0.040	10.523	10.482	0.39
0.050	13.212	13.157	0.42