□ - STRIP THEORY 



o - SLENDER-BODY THEORY 



o 





LO 



a 



O 



\ 



X CO 



1 A 



_j 



T / \ 



X 



\ /■' \ 



CD 



V r r \ 



« 



w *w *.\ 



X 



!5J A \ 



—1 u> 



"!"Ev \ 



X r -1 



Km 



^ ri " 



\ / 



m 



Vv^_ _^S 



LO 





tn 





o 

 to 











iiil 



-1 p 



4.C 



6.0 



8.0 



NON-DIM. FREQUENCY 



Figure 8 - Pitch Added-Mass and Damping Coefficients of SWATH 6A in 

 Head Seas at 28 Knots 



22 



