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核电厂上充管热疲劳特性研究

摘要第6-7页
ABSTRACT第7-8页
NOMENCLATURE第12-14页
CHAPTER 1. INTRODUCTION第14-29页
    1.1 SIGNIFICANCE OF RESEARCH ON THE TOPIC第14-16页
    1.2 LITERATURE REVIEW第16-24页
    1.3 OBJECTIVE OF RESEARCH第24页
    1.4 METHODOLOGY FOR RESEARCH第24-27页
        1.4.1 Fluid Structure Interaction (FSI)第25页
        1.4.2 Outline of work第25-27页
    1.5 THESIS OUTLINE第27-29页
CHAPTER 2. FATIGUE: CHARACTERISTICS, EVALUATION AND MONITORING第29-50页
    2.1 THERMAL FATIGUE: AN IMPORTANT CONSIDERATION第29-30页
    2.2 TYPES OF FATIGUE第30页
    2.3 STAGES OF FATIGUE FAILURE第30-31页
        2.3.1 Crack Initiation第30页
        2.3.2 Crack Propagation第30页
        2.3.3 Fast Fracture (Catastrophic Failure)第30-31页
    2.4 PHENOMENA CAUSING THERMAL FATIGUE第31-33页
        2.4.1 Temperature Transients第31-32页
        2.4.2 Thermal Stratification第32-33页
        2.4.3 Turbulence Penetration第33页
    2.5 FATIGUE LIFE PREDICTION METHODS第33-40页
        2.5.1 Stress Life Approach第34-37页
        2.5.2 The“Mean Stress”Effect for Stress-Life Criteria第37-38页
        2.5.3 Strain Life Approach第38-40页
        2.5.4 The Fracture Mechanics Approach第40页
        2.5.5 Summary第40页
    2.6 FACTORS INFLUENCING FATIGUE LIFE第40-42页
        2.6.1 Fuch’s Method第41页
        2.6.2 Neuber's Rule第41-42页
    2.7 CYCLIC STRESS-STRAIN BEHAVIOR第42页
        2.7.1 Ramberg-Osgood Stress-Strain Relation第42页
    2.8 MULTIAXIAL FATIGUE第42-44页
        2.8.1 Biaxiality Ratio Method第43页
        2.8.2 Critical Plane Method第43-44页
    2.9 CUMULATIVE DAMAGE第44页
    2.10 FATIGUE-MONITORING SYSTEM (FMS)第44-50页
        2.10.1 Nondestructive testing第44-47页
        2.10.2 FMS in Nuclear Industry第47-50页
CHAPTER 3. COMPUTATIONAL FLUID DYNAMICS (CFD): BACKGROUND AND THEORY第50-66页
    3.1 COMPUTATIONAL FLUID DYNAMICS第50-51页
    3.2 ADVANTAGES OF CFD第51-52页
    3.3 CONCEPT OF CFD第52-53页
    3.4 PERFORMING A CFD ANALYSIS第53-54页
        3.4.1 Pre-processing第53-54页
        3.4.2 Processing第54页
        3.4.3 Post-processing第54页
    3.5 CFD COMPUTATIONAL TOOLS第54-55页
    3.6 PROBLEM-SOLVING WITH CFD第55页
    3.7 CFD GOVERNING EQUATIONS第55-61页
        3.7.1 Conservation Equations第56页
        3.7.2 Equation of state第56-57页
        3.7.3 Newton’s law of viscosity (empirical relation for viscosity μ)第57页
        3.7.4 Fourier’s second law of thermodynamics (empirical relation for thermal conductivity k第57页
        3.7.5 General Transport Equation第57-58页
        3.7.6 (RANS) Equations第58-61页
    3.8 MODELLING THE TURBULENCE第61-64页
        3.8.1 SST k- ω Turbulence Model第63-64页
    3.9 FINITE VOLUME METHOD第64页
    3.10 DIFFERENCING SCHEMES第64-66页
        3.10.1 Central Differencing Scheme第65页
        3.10.2 Upwind Differencing Scheme第65-66页
CHAPTER 4. FINITE ELEMENT METHOD (FEM): BACKGROUND AND THEORY第66-74页
    4.1 FINITE ELEMENT ANALYSIS第66页
    4.2 STEPS FOR FEM第66-68页
    4.3 THERMAL STRESS第68-70页
    4.4 STRESS SINGULARITY第70页
    4.5 ANSYS FATIGUE MODULE OVERVIEW第70-71页
    4.6 TYPES OF CYCLIC LOADINGS第71-74页
        4.6.1 Constant Amplitude, Proportional Loading第71-72页
        4.6.2 Constant Amplitude, Non-Proportional Loading第72页
        4.6.3 Variable Amplitude, Proportional Loading第72-73页
        4.6.4 Variable Amplitude, Non-Proportional Loading第73-74页
CHAPTER 5. THERMAL HYDRAULIC ANALYSIS: MODELLING, SIMULATIONS AND RESULTS第74-89页
    5.1 WORKING WITH ANSYS CFX第74页
    5.2 BUILDING THE MODEL第74-76页
    5.3 ICEM MESHING第76-81页
        5.3.1 Checking the Quality of Mesh第79-81页
    5.4 DEFINING THE RUN IN CFX-PRE第81-83页
        5.4.1 Setting up boundary conditions第82-83页
        5.4.2 Transient Time第83页
    5.5 RESULTS第83-89页
CHAPTER 6. STRUCTURAL ANALYSIS: MODELLING, SIMULATIONS AND RESULTS第89-105页
    6.1 BUILDING THE MODEL第89页
    6.2 SLICING THE MODEL FOR EFFICIENT MESHING第89-94页
    6.3 ENGINEERING DATA FOR THE MATERIAL第94页
    6.4 ANSYS MECHANICAL MESHING第94-98页
    6.5 ANALYSIS SETTINGS第98页
    6.6 BOUNDARY CONDITIONS AND LOADS第98页
    6.7 RESULTS第98-105页
        6.7.1 Results for Fatigue Characteristics第102-105页
CHAPTER 7. DISCUSSION AND CONCLUSIONS第105-109页
REFERENCES第109-113页
ACKNOWLEDGEMENT第113-114页
DEDICATION第114-115页
ABOUT THE AUTHOR第115-117页
    EDUCATION第115页
    MEMBERSHIPS第115页
    HONOURS AND AWARDS第115-116页
    EXPERIENCE第116-117页
LIST OF FIGURES第117-119页
LIST OF TABLES第119-120页
LIST OF GRAPHS第120页

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