100 



Crest of a shallow water wave 

 X 10"^ gauge 1 



-0.4 -0.3 -0.2 -0.1 o 0.1 0.2 03 0.4 

 xlO"^ gauges 



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



Figure 5.14: Free surface boundary condition errors for a shallow 

 water wave at order 1 



Crest of a shallow water wave 



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



: ; ^^^.. ,i ° D 



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



Figure 5.15: Free surface and velocities at the center of the array 

 for a shallow water wave at order 1 



