NOTATION 



D Fluid domain 



f Function defined in Equation (23) 

 i 



g Acceleration of gravity 



g Function defined in Equation (24) 

 i 



h Body or free surface defined in Equation (1) 



j Functional 



m Source distribution 



p Pressure distribution 



S Free surface 



F 



S Interface of near and far fields 



5 Body surface 

 s 



t Time 



x,y,z Rectangular Cartesian coordinates 



6 Variation 



p Water density 



X Time 



(f> Potential 



(Jj Function defined in Equation (21) 

 to Frequency defined in Equation (21) 

 Subscript 

 i The ith order 



n Normal derivative toward fluid 

 o Projection on the z = surface 

 t The time derivative 



