표제지
ABSTRACT
목차
List of Symbols 7
제1장 서론 12
1.1. 연구배경 12
1.2. 선행연구 검토 15
1.3. 국제 규정 17
1.4. 연구목적 및 방법 18
제2장 선체구조용 복합소재 적층판 설계 20
2.1. 설계하중 추정 20
2.2. 복합소재 적층판의 물성 27
2.3. 복합소재 적층판 설계 프로세스 28
제3장 CFRP 적층판 경량화 설계 알고리즘 37
3.1. 함침율 증가 및 요구두께 감소 37
3.2. 적층판 무게 추정 40
3.3. CFRP 적층판 경량화 알고리즘 40
제4장 11m CFRP 고속선 경량화 설계 43
4.1. MMU-M Patrol 36 설계하중 추정 및 요구두께 도출 46
4.2. MMU-M Patrol 36 재설계 방법 50
4.3. MMU-M Patrol 36 적층판 무게 최소화 51
4.4. MMU-M Patrol 36 경량화 효과 비교 55
제5장 MMU-M Patrol 36의 종강도 평가 57
제6장 결론 59
제7장 참고문헌 60
Table. 1. Design Parameters of Design Area for Design Pressure Estimation 22
Table. 2. Mechanical Properties Laminate Comprised of Glass & Carbon Fiber 28
Table. 3. Thickness Decrement Coefficient due to Laminate Type 39
Table. 4. Principal Dimension of MMU-M Patrol 36 43
Table. 5. Material Features of MMU-M Patrol 36 46
Table. 6. Structural Design Results for MMU-M Patrol 36 Manufacturing 50
Table. 7. Mfrg. Design of Single-Skins of MMU-M Patrol 36 with Optimum GC 55
Table. 8. Comparison of Weight Reduction of Hull Plating 56
Table. 9. Estimation Results for Bending Moment of MMU-M Patrol 36 58
Table. 10. Estimation Results for Longitudinal Strength Evaluation of MMU-M Patrol 36 58
Fig. 1. CFRP Small Crafts (Wally Yachts) 12
Fig. 2. Specific Strength & Stiffness of Various Materials 13
Fig. 3. Global Carbon Fiber Demand in Marine Trend 13
Fig. 4. Estimation Process for Optimal GC for GFRP Laminates 16
Fig. 5. Main Contents & Structure of the Paper 19
Fig. 6. Design Area 21
Fig. 7. Coefficient of Longitudinal Distribution Factor of Vertical... 22
Fig. 8. Coefficient as a Function of Longitudinal Position 23
Fig. 9. Longitudinal Distribution Factor of Design Pressure 23
Fig. 10. Coefficient as a Function of the Load Surface A, in ㎡ 24
Fig. 11. Coefficient as a Function of CB & Longitudinal Position of Design... 24
Fig. 12. α, γ 24
Fig. 13. Process of Design Pressure Estimation for Bottom & Side 26
Fig. 14. Required Elements for Top Hat Section Modulus 31
Fig. 15. Section Modulus Calculation of Top Hat Structures 31
Fig. 16. Section Shape & Composition of Sandwich Strip 33
Fig. 17. Section Modulus Calculation of Sandwich Strip 33
Fig. 18. Ship Structure Laminate Design Process Based on RINA Rules 35
Fig. 19. Mechanical Properties of Carbon Woven Roving Fiber Laminate... 38
Fig. 20. Optimal Design Algorithm for Single-Skin Panel 42
Fig. 21. Isometric View of MMU-M Patrol 36 44
Fig. 22. Stiffener Layout Results of MMU-M Patrol 36 45
Fig. 23. Mid-Section of MMU-M Patrol 36 45
Fig. 24. Selected Design Area of Bottom & Side 47
Fig. 25. Design Pressure Estimation Result of Bottom 48
Fig. 26. Required Thickness of Bottom 48
Fig. 27. Design Pressure Estimation Result of Side 49
Fig. 28. Required Thickness for Side 49
Fig. 29. Selected Design Area for Optimal Design Algorithm Application 52
Fig. 30. Laminate Thickness of Bottom with Increasing Gc 52
Fig. 31. Results of GC Estimation for Laminate Weight Minimization for Bottom 53
Fig. 32. Laminate Thickness of Side with Increasing Gc 53
Fig. 33. Results of GC Estimation for Laminate Weight Minimization for Side 54
Fig. 34. Variation of Manufacturing Laminate Thickness of MMU-M Patrol 36... 56