桩墩影响的二维水动力数值研究
【摘要】：
【关键词】：
【学位授予单位】：河海大学
【学位级别】：硕士
【学位授予年份】：2006
【分类号】：U443.2;U442.3
【DOI】：CNKI:CDMD:2.2007.017191
【目录】：
【学位授予单位】：河海大学
【学位级别】：硕士
【学位授予年份】：2006
【分类号】：U443.2;U442.3
【DOI】：CNKI:CDMD:2.2007.017191
【目录】：
- 英文摘要6-13
- CHAPTER 1 INTRODUCTION13-21
- 1.1 Background of the study13-14
- 1.2 Function of the hydraulic structures14-15
- 1.3 Nature of bridge backwater15-16
- 1.4 Methods Available16-17
- 1.5 Literature review17-19
- 1.6 Study objectives19-20
- 1.7 Overview20-21
- CHAPTER 2 SURFACE WATER MODELING SYSTEM21-33
- 2.1 Introduction21-22
- 2.2 Two-Dimensional Models22-23
- 2.3 Governing Equations23-24
- 2.4 Time implicit equation of King24-25
- 2.5 Fully implicit time scheme25-26
- 2.6 Newton Raphson Scheme for convergence26-28
- 2.7 Initial and boundary condition28-29
- 2.7.1 Initial condition28-29
- 2.7.2 Boundary condition29
- 2.8 Input parameter29-31
- 2.9 Output parameter31-32
- 2.10 Summary32-33
- CHAPTER 3 NUMERICAL MODELS IN DIFFERENT SHAPE OF PIERS33-51
- 3.1 Introduction33-35
- 3.1.1 Instructions of the numerical flume33
- 3.1.2 Mesh generation33-34
- 3.1.3 Input parameter34
- 3.1.4 Initial boundary condition34-35
- 3.1.5 Time step35
- 3.2 Results of simulation with different shapes of piers35-42
- 3.2.1 Results of quadrate pier36-38
- 3.2.2 Results of rhombic pier38-40
- 3.2.3 Results of circular pier40-42
- 3.3 Comparison the results of three kinds piers42-51
- CHAPTER 4 NUMERICAL MODELS IN DIFFERENT SPACING OF PIERS51-80
- 4.1 Introduction51
- 4.2 Result of different spacing of piers51-72
- 4.3 Comparison among different spacing of piers72-79
- 4.4 Conclusion79-80
- CHAPTER 5 SUMMARY AND CONCLUSIONS80-83
- 5.1 Summary80
- 5.2 Conclusions80-83
- REFERENCES83-86
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