104 



Crest of a shallow water wave 

 X 10"* ga"g« ^ 



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



xio"^ gauges 



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



Figure 5.22: Free surface boundary condition errors for a shallow 

 water wave at order 5 



Crest of a shallow water wave 



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



Figure 5.23: Free surface and velocities at the center of the array 

 for a shallow water wave at order 5 



