Pien 



g Gravitational constant 



H Ship draft 



n^ Total head referring to the undisturbed condition 



n^ Total head referring to the behind condition 



K Form factor used with Hughes friction line 



L Ship length 



M(^,0 Density of surface singularity distribution 



M^ Surface source density at ^ = 1 



R^ Total resistance 



R^ Wavemaking resistance 



s. General coefficient in Eq. (3) 



S( O Strength of a line source 



REFERENCES 



1. Emerson, A., "The Application of Wave Resistance Calculations to Ship 

 Hull Design," INA (1954) pp. 268-275 



2. Inui, Takao, "Study on Wavemaking Resistance of Ships," 60th Anniversary 

 Series of the Society of Naval Architects of Japan, Vol. 2, pp. 173-355 



3. Breslin, J. P. and Eng, K., "Calculation of the Wave Resistance of a Ship 

 Represented by Sources Distributed over the Hull Surface," Davidson Lab- 

 oratory Report No. 972 (July 1963) 



1136 



