Dynamics of Railway Vehicle Systems

Foreword

Preface

Acknowledgments

Chapter 1 Analysis of Dynamic Systems


1.1 Introduction


1.2 Constraints, Generalized Coordinates, and Degrees of Freedom


1.3 Linear Dynamic Systems


1.4 Classification of Vibrations


1.5 Linear Single-Degree-of-Freedom (SDOF) System


1.6 Linear Multiple-Degree-of-Freedom (MDOF) System


1.7 Random Vibrations


1.8 Summary

References

Additional References

Chapter 2 Response of Dynamic Systems Using Numerical Integration Methods


2.1 Introduction


2.2 Explicit Schemes


2.3 Implicit Schemes


2.4 Case Study


2.5 Summary

References

Chapter 3 Description of the Railway Vehicle Models and Track Geometry


3.1 Introduction


3.2 Types of Mathematical Models


3.3 Solution Techniques


3.4 Dynamic Models


3.5 Performance of Railway Vehicles


3.6 Performance Criteria


3.7 Description of Track Geometry and FRA Track Safety Standards


3.8 Analytical Representation of Track Geometry


3.9 Summary

References

Additional References

Chapter 4 Wheel - Rail Rolling Contact Theories


4.1 Introduction


4.2 Creep


4.3 Creep Forces


4.4 Wheel-Rail Rolling Contact Problem


4.5 Classification of Wheel - Rail Rolling Contact Theories


4.6 Wheel-Rail Rolling Contact Theories


4.7 Summary

References

Chapter 5 Modeling of Rail Vehicle Components


5.1 Introduction


5.2 Rail Vehicle Truck Configurations and Suspensions


5.3 Suspension Characteristics


5.4 Equations of Motion of a Wheel-Axle Set on a Tangent Track


5.5 Equations of Motion for a Wheel - Axle Set Negotiating an Arbitrarily Changing Radius Curve


5.6 Truck Model


5.7 Summary

References

Chapter 6 Tangent Track Response of Railway Vehicles


6.1 Introduction


6.2 Freight Car Vertical and Roll Dynamics Model


6.3 Six-Axle Locomotive Response Model


6.4 Passenger Car Lateral Response Model


6.5 Summary

References

Additional References

Chapter 7 Lateral Stability of Railway Vehicles on Tangent Track


7.1 Introduction


7.2 Lateral Stability


7.3 Freight Car Lateral Stability Model


7.4 Locomotive Lateral Stability Model


7.5 Passenger Car Lateral Stability Model


7.6 Summary

References

Additional References

Chapter 8 Response of Railway Vehicles on Curved Track


8.1 Introduction


8.2 Classification of Curving Models


8.3 Elements of Curving Models


8.4 Freight Car Curving Models


8.5 Locomotive/Passenger Car Curving Models


8.6 Summary

References

Chapter 9 Train Dynamics


9.1 Introduction


9.2 Definition of Generic Terms


9.3 Fundamentals of Longitudinal Train Dynamics


9.4 Train Components and Their Mathematical Models


9.5 Train Dynamics Models


9.6 Applications of Train Dynamics Models


9.7 Summary

References

Chapter 10 Interaction between Railway Vehicles and Bridges


10.1 Introduction


10.2 Vehicle and Truss Bridge Interaction


10.3 Bridge Impact Due to Various Sources


10.4 Summary

References

Chapter 11 Validation of Railway Vehicle System Models


11.1 Introduction


11.2 The Need for Model Validation


11.3 Model Validation versus Performance Testing


11.4 Types of Models


11.5 Dynamic Processes or Vehicle Performance Considerations


11.6 Validation Criteria


11.7 Validation of a Time-Domain Model


11.8 Summary

References

Additional References

Index