Dynamic Analysis of Deep Water Highway Tunnel under Ocean Current

Table 1

Lift and drag coefficients at different flow rates.

Velocity (m/s)	Steady-state lift coefficient	Fluctuating lift coefficient	Steady-state drag coefficient	Fluctuating drag coefficient	Vortex period (s)	Strouhal number
0.5	0.012	0.241	0.358	0.009	58.11	0.3454
1	0.015	0.225	0.296	0.011	25.13	0.3979
2	0.012	0.193	0.278	0.008	13.07	0.3829
3	0.014	0.187	0.255	0.012	9.31	0.358
4	0.009	0.172	0.236	0.015	6.50	0.3845