CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 5 



I INTRODUCTION 7 



II SPM METHODOLOGY FOR COMPUTING FORCES AND MOMENTS 7 



III MACH-STEM REFLECTION 8 



IV CALCULATION OF WAVE FORCE AND OVERTURNING MOMENT 10 



V EXAMPLE PROBLEM 10 



VI SUMMARY 16 



LITERATURE CITED 17 



TABLE 



Variation of force along structure 14 



FIGURES 



1 Reflection patterns of a solitary wave 8 



2 Oblique reflection of a solitary wave, experimental results; 



water depth, d = 0.132 foot 9 



3 Oblique reflection of a solitary wave, experimental results 9 



4 Beach and groin profile 10 



5 Diraensionless cnoidal wave profile, k = 1 - 10~ 13 



6 Variation of force and moment along groin 14 



7 Loading on windward side of groin 15 



