CONTENTS 



Page 



PREFACE 1 



LIST OF FIGURES 3 



PART I : INTRODUCTION 6 



Background 6 



One-Line Theory 7 



Overview of Previous Analytical Work 12 



General Approach in the Present Work 16 



PART II: SOLUTIONS FOR SHORELINE EVOLUTION WITHOUT 



COASTAL STRUCTURES 18 



General Formal Solution 18 



Finite Rectangular Beach Fill 19 



Semi-Infinite Rectangular Beach Fill 23 



Rectangular Cut in a Beach 24 



Triangular-Shaped Beach 26 



Trapezoidal-Shaped Beach 27 



Semicircular-Shaped Beach 30 



Semicircular Cut in a Beach 34 



Rhythmic Beach 36 



Sand Discharge from a River Acting as a Point Source 37 



Sand Discharge from a River Mouth of Finite Length 41 



PART III: SOLUTIONS FOR SHORELINE EVOLUTION INVOLVING 



COASTAL STRUCTURES 46 



Shoreline Change at Groins and Jetties 46 



Initially Filled Groin System 53 



Shoreline Change at a Detached Breakwater 55 



Shoreline Change at a Seawall 60 



Shoreline Change at a Jetty, Including Diffraction 63 



REFERENCES 71 



APPENDIX A: A SHORT INTRODUCTION TO THE LAPLACE 



TRANSFORM TECHNIQUE Al 



APPENDIX B: SHORELINE EVOLUTION DOWNDRIFT OF A GROIN WITH 



BYPASSING REPRESENTED BY AN EXPONENTIAL FUNCTION Bl 



APPENDIX C: SHORELINE EVOLUTION BEHIND A DETACHED BREAKWATER CI 



APPENDIX D: SHORELINE EVOLUTION IN THE VICINITY OF A SEAWALL 



WHERE FLANKING OCCURS Dl 



APPENDIX E: SHORELINE EVOLUTION DOWNDRIFT OF A JETTY IF AN 

 ARBITRARY NUMBER OF SOLUTION AREAS IS USED TO 



MODEL DIFFRACTION El 



APPENDIX F: SHORELINE EVOLUTION BEHIND A JETTY FOR LINEARLY 



VARYING BREAKING WAVE ANGLE Fl 



APPENDIX G: SHORELINE EVOLUTION BEHIND A JETTY FOR EXPONENTIALLY 



VARYING BREAKING WAVE ANGLE Gl 



APPENDIX H: NOTATION HI 



