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Fire Simulation Prototype Tool Based on Diffused Limited Aggregation

ABSTRACT第5-7页
摘要第8-11页
TABLE OF CONTENTS第11-13页
LIST OF FIGURES第13-14页
CHAPTER 1 INTRODUCTION第14-18页
    1.1 Introduction第14-15页
        1.1.1 Fire Simulation第14-15页
        1.1.2 Diffused Limited Aggregation第15页
    1.2 The Aim and Objectives第15-16页
    1.3 Software Development Tools第16-17页
    1.4 Thesis Structure第17-18页
CHAPTER 2 LITERATURE REVIEW第18-23页
    2.1 The Definition of Fire第18页
    2.2 Fire Behaviour Principles第18-19页
        2.2.1 The Fire Triangle第18-19页
        2.2.2 Fire Tetrahedron第19页
    2.3 Stages of Fire第19-20页
    2.4 Heat Transfer Mechanisms第20页
    2.5 The Wild Fire第20-21页
        2.5.1 The Behaviour of Wild Fire第20-21页
    2.6 The Diffused Limited Aggregation第21-22页
    2.7 Summary第22-23页
CHAPTER 3 TECHNICAL BACKGROUNDS第23-30页
    3.1 Fire Growth Prediction第23-27页
        3.1.1 Fire Growth Prediction Models第23-24页
        3.1.2 The Fire Intensity第24页
        3.1.3 Factors Influencing Fire Growth Behaviour第24-27页
    3.2 The Formation Diffused Limited Aggregation(DLA)第27-29页
    3.3 Summary第29-30页
CHAPTER 4 METHODOLOGY第30-35页
    4.1 DLA's Particle Launching Position第30-31页
    4.2 Variables And Methods第31-33页
        4.2.1 Fire Scene Variables第31-32页
        4.2.2 Fuel Variables第32页
        4.2.3 Variables and Methods for Diffused Limited Aggregation第32-33页
        4.2.4 Fire Growth Prediction Methods And Variables第33页
    4.3 Class Diagram第33-34页
    4.4 Summary第34-35页
CHAPTER 5 IMPLEMENTATION第35-51页
    5.1 Implementation of DLA第35-41页
        5.1.1 DLA's Particle Launching Position and Random Motion第35-37页
        5.1.2 Formation And Arranging Branches of DLA第37-38页
        5.1.3 Detecting Collision Between Scene's Borders And Created DLA第38-39页
        5.1.4 Detecting Collision with Barrier and Burnable Objects第39页
        5.1.5 Emission of Heat第39-40页
        5.1.6 Burning Area Collision Check第40-41页
    5.2 Implementation of 3D Scene for Fire Simulation第41-46页
        5.2.1 Altering the Number of Ignition Point and Location第41页
        5.2.2 Topography第41-43页
        5.2.3 Altering the Strength of Wind第43页
        5.2.4 Allocating Burnable and Barrier Objects第43-45页
        5.2.5 Transferring Heat to the Ground第45页
        5.2.6 Humidity and Temperature第45-46页
    5.3 Implementation of the Path of Fire第46-47页
        5.3.1 Computing Spread Rate of Fire第46页
        5.3.2 Burning Time Progress第46-47页
        5.3.3 Burning Points Colour Changes第47页
    5.4 Problems Encountered During Implementation第47-49页
        5.4.1 The Simulated Fire Failed to Burn the Area Surrounding the Path第47页
        5.4.2 The Effectof Strengths of Wind to the Spread of Fire第47页
        5.4.3 DLA Creation Number Conflicts第47-48页
        5.4.4 Fire Simulation Speed第48-49页
        5.4.5 Simulation Controls第49页
    5.5 Summary第49-51页
CHAPTER 6 OUTPUT ANALYSIS第51-62页
    6.1 Analysis of Tool's Performance第51-60页
        6.1.1 User Interface第51-52页
        6.1.2 The Generation of Diffuse Limited Aggregation(DLA)第52-53页
        6.1.3 Collision Detection Between Different Generated DLAs第53页
        6.1.4 The Behaviour of Fire Growth and Its Spread第53-55页
        6.1.5 The Fire Stops Spreading Even If Fuel Still Available第55-56页
        6.1.6 Detecting Collision Between DLA and Objects on the Scene第56-58页
        6.1.7 Fire Scene Borders Collision Detection第58页
        6.1.8 Changes of Colours第58-59页
        6.1.9 Direction and Strength of Wind第59页
        6.1.10 Simulation Transfer of Heat第59-60页
        6.1.11 Fire Simulation第60页
    6.2 Summary第60-62页
CONCLUSION第62-64页
REFERENCES第64-68页
APPENDIX A CLASSES ATTRIBUTES AND METHODS第68-80页
    A.1 Classes Descriptions第68页
    A.2 Class Attributes Descriptions and Signature第68-72页
    A.3 Class Methods Descriptions and Signature第72-80页
APPENDIX B USER MANUAL第80-84页
    B.1 Fire Area Weather Settings第80页
    B.2 Display Mode第80-81页
    B.3 Various Camera Views第81页
    B.4 Topography第81-82页
    B.5 Enable Settings of the Wind第82页
    B.6 Fire Ignition(Start)Points第82-83页
    B.7 Barrier and Burnable Objects第83-84页
ACKNOWLEDGEMENTS第84页

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