236 



Fig. 6 Vortex Generation 



Fig. 7 Energy Sprectrum 



A cro88-»ectlon of a DAM-ATOLL unit would appear this way (Fig 9) A 

 l.rge do«. shell Is required to cause the wave to refract toward the cintej. 

 Concrete Is a potential candidate n,aterlal. Multiple units would utilize " 

 large amount of concrete as often used in hydroelectric dams ThlTf .f 



surface. Note that there Is water underneath the shell. 



