(Xo.Yo.Zo) 



Note ; x,y,and z axes are 

 orthogonal 



//////////y ////>//////////// ////////////////////////////^ 



Figure 1-Zl . Definition sketch: calculation of wave forces on a nonvertical 

 pile. 



From equation (7-26) with cos (2irt/T) = 1.0 , 



2 2 



pg 2 gT (cosh [2Tt(d + z)/L] I 



f = C — DH { } 



Dm D 2 2 cosh [2ird/L] 



4L ^ ' 



(1025.2)(9.8) 2 (9.8) (12) 2 



f = 0.7 (1.25)(10.0) (0.8) = 3,394 N/m 



Dm 2 2 



4(171) (233 lb/ft) 



The maximum force can be assumed to be given by 



f_ = f 



m 



m Dm F 



An 



where F^ and Fj)^ are given by equations (7-42) and (7-38). 



these equations into the above gives 



2 



Substituting 



d) wC H D 



^m D 



2(t) 



m 



f = f 

 m Dm 



= f. 



V^«/'^» ""^Dm 



Dm V 



Dm 



7-156 



