U,„T/d ^ 3.0 



C.,(G) 2 



\ \ \ 1 \ \ \ \ I 



:g— §— @— @— Q— o— o_o_o_|^_g_g_g_g— o— a— o— o— 0— 0^ 



I I I I \ \ \ \ \ 



C[j(Q) 



12 

 8 

 4 

 



"1 r 



o 







L ^-§T-9 D I I 



n-pO-o-1-8- 



"1 r 



o 

 D n 



TS-"^"! ^i_L 



-ra_Q_ 



0.2 



0.4 0.6 



t/T 



0.8 1.0 



Figure 13. Example of variation of the inertia and drag coefficients of a cylinder 

 during a wave cycle. 



U^T/d = 15.6 



C^O) h 



-2 



C[j(Q) 4 



o— a- 



1 r 



,B-- --^8 



"1 r 



Xc 



/-' 



iS L 



/ 



\„ ■/ 



\^ 



J L 



0.2 



0.4 0.6 



t/T 



0.8 1.0 



Figure 14. Example of variation of the inertia and drag coefficients of a cylinder 

 during a wave cycle. ■'■ 



27 



