96 



Crest of a deep water wave 

 X 10"' gauge 1 



-5 

 -0 



4 



2 







-2 



-0.4 -0.3 -0.2 -0.1 0.1 0.2 0.3 0.4 



Figure 5.10: Free surface boundary condition errors for a deep 

 water wave at order 3 



xlO 





gduge o 



DFSBC 



- - KFSBC 



^^____i___ 



. — \- 





: ; J 





; " 













~" 



Crest of a deep water wave 



0.1 0.2 0.3 0.4 





— -e ' ''*~^~~— ©^ 







0.1 0.2 0.3 0.4 



-0.4 -0.3 -0.2 -0.1 



0.1 0.2 0.3 0.4 



Figure 5.11: Free surface and velocities at the center of the array 

 for a deep water wave at order 3 



