My 



2 



Non-diasensionaliKed aoment about the oy-axia 



Uuit vector olf the body surface drawn into the flutd 

 Freasure 



Pooitlon vector of the center of gravity 



Speed 



Water density 



Angle of attack of the eontroi plane section 



Pitch a.igle cf the bare hull 



Vortex strength 



Source or sink strength 



Three-dimensional velocity potential 



Two-dimensional velocity potential 



iv 



