This publication provides introductory technical guidance for civil engineers, geotechnical engineers and other professional engineers and construction managers interested in computerized modeling of hydraulic structures such as dams and locks. Here is what is discussed: 1. INTRODUCTION, 2. TYPES OF CONCRETE HYDRAULIC STRUCTURES, 3. CONCRETE GRAVITY DAMS, 4. CONCRETE ARCH DAMS, 5. INTAKE-OUTLET TOWERS, 6. U-FRAME AND W-FRAME NAVIGATION LOCKS, 7. MASSIVE CONCRETE LOCK WALLS, 8. MASSIVE CONCRETE GUIDE WALLS, 9. ANALYTICAL MODELING PROCEDURE, 10. SUBSTRUCTURE METHOD, 11. STANDARD FINITE ELEMENT METHOD, 12. CONCRETE GRAVITY DAMS, 13. CONCRETE ARCH DAMS, 14. INTAKE-OUTLET TOWERS, 15. U-FRAME AND W-FRAME NAVIGATION LOCKS.