CIRCULAR DIFFRACTED WAVE CRESTS 



INCIDENT 

 WAVE CRESTS 



a. Diffraction at a breakwater assuming linear wave theory 



DISTORTED DIFFRACTED WAVE CRESTS 



LARGER WAVES 



LARGER WAVES 



INCIDENT 

 WAVE CRESTS 



b. Diffraction at a breakwater including the effects of amplitude and dispersion 

 Figure 22. Comparison of diffraction pattern theory (from Dally and Pope (1986)) 



28 



Chapter 2 Functional Design Guidance 



