Dynamics of Vehicle Road Coupled System

  1.1  The State of Research in Vehicle Dynamics1.2  The State of Research in Road Dynamics1.3  The State of Research in Tire Dynamics1.4  The Research Scheme of Vehicle-Road Coupled System Dynamics1.5  Outline and the Main Issues of Vehicle-Road Coupled System DynamicsReferences2  Dynamic Analysis of a Heavy Vehicle Using Lumped Parameter Model2.1  Experimental Modeling for the Nonlinear Components in Vehicle Suspension2.1.1  Experimental Damping Characteristics of the Shock Absorber2.1.2  Experimental Stiffness Characteristics of the Leaf Springs2.2  Dynamic Analysis of a Two-Axle Heavy Vehicle2.2.1  Vehicle Model and Differential Equations of Motion2.2.2  Calculation of the Vehicle Response2.2.3  Analysis of Vehicle-Vibration Response Under Random Excitation2.2.4  Numerical Results and Discussions2.3  Dynamic Analysis of a Three-Axle Heavy Vehicle2.3.1  Modeling for a Three-Axle Vehicle with a Balanced Suspension2.3.2  Modeling for a Vehicle-Tire-Road Coupling System2.3.3  Numerical Results and Discussions2.4  Chapter SummaryReferences3  Dynamic Analysis of a Heavy Vehicle Using Function Virtual Prototype3.1  Modeling of Vehicle Suspension, Tire, and Road3.2  Orthogonal Optimization of a Heavy Vehicle3.3  Semiactive Control of a Heavy Vehicle3.4  Chapter SummaryReferences4  Dynamic Analysis of a Pavement Structure Under a Vehicle's Moving Load4.1  The Dynamic Response of a Vehicle-Pavement System Based on a Finite Beam on a Nonlinear Foundation4.1.1  Equation of Motion [16]4.1.2  Galerkin's Discretization4.1.3  Numerical Results4.2  The Dynamic Response of a Finite Timoshenko Beam on aNonlinear Viscoelastic Foundation to a Moving Load [18]4.2.1  Equation of Motion4.2.2  Normal Modes4.2.3  Galerkin's Discretization4.2.4  Numerical Results4.3  Vibration of a Vehicle-Pavement Coupled System Basedon a Finite Timoshenko Beam on a Nonlinear Foundation [21]4.3.1  The Mathematical Model4.3.2  The Schemes of Solution4.3.3  Numerical Case Studies4.4  The Dynamic Response of an Infinite Timoshenko Beam on a Nonlinear Viscoelastic Foundation [19,25]4.4.1  The Mathematical Model4.4.2  The Perturbation Method4.4.3  The Modified ADM4.4.4  The Moving Force4.4.5  Parametric Studies4.5  Chapter SummarReferences5  Road Dynamic Responses Under Moving Vehicle Loads Based on Double-Layer Plate Model5.1  Description of the Moving Vehicle Loads5.1.1  Mathematical Model of the Moving Vehicle Loads5.1.2  Calculation oftheTire Contact Area5.2  Dynamic Responses of an Infinite Double-Layer Plate on a Kelvin Foundation5.2.1  Governing Equations of the Infinite Double-Layer Plate5.2.2  The Displacement and the Stress of the Double-Layer Plate UnderMoving Vehicle Loads Supported by a Kelvin Foundation5.3  Numerical Simulations of an Infinite Double-Layer Plate on a Kelvin Foundation5.3.1  Result Verification5.3.2  The Dynamic Response of the Double-Layer Plate5.4  Dynamic Responses of an Infinite Double-Layer Plate on an Elastic Half Space Foundation5.4.1  Governing Equations of the Infinite Double-Layer Plate5.4.2  Governing Equations of the Elastic Half-Space Foundation5.4.3  The Solutions of a Half-Space Foundation in a Number-Frequency Domain5.4.4  Displacement Green's Functions of the Elastic Half-Space Foundation5.4.5  The Displacement and Stress of the Double-Layer Plate Under Moving VehicleLoads Supported by Elastic Half-Space5.5  Numerical Simulations of an Infinite Double-Layer Plate on an Elastic Half Space Foundation5.5.1  Result Verification5.5.2  The Dynamic Response of the Double-Layer Plate5.6  Chapter SummaryReferences  1926  Road Dynamic Responses Under Moving Vehicle Loads Based on Three-Dimensional Finite Element Model6.1  Three-Dimensional Finite Element Model of Road System6.1.1  Road Model of a Layered Plate and Its Basic Assumptions6.1.2  Three Dimensional Finite Element Model of the Road System6.1.3  A Transient Dynamic Analysis of Road System Vibration6.2  Dynamic Responses of Road System to the Moving Vehicle Loads6.2.1  Vertical Displacement Analysis of Road System6.2.2  Stress Analysis of Road System6.2.3  Stain Analysis of Road System6.3  Analysis of Asphalt Pavement Fatigue Life Under Moving Vehicle Loads6.3.1  Prediction Model of Asphalt Pavement Fatigue Life6.3.2  Parameter Influence Analysis of Asphalt Pavement Fatigue Life6.4  Chapter SummaryReferences7  Modeling and Dynamic Analysis of Vehicle-Road Coupled Systems7.1  Modeling of A Two-Dimensional Vehicle-Road Coupled System7.1.1  Model of Tire-Road Contact7.1.2  Equations of a Two-Dimensional Vehicle-Road Coupled System7.1.3  Interaction of Tire and Road7.1.4  Calculation Program and Model Verification7.2  Effects of the Two Tire Models on the Responses of the Vehicle-Road Coupled System7.3  Modeling of a Three-Dimensional Vehicle-Road Coupled System7.3.1  Equations of Motion for the Vehicle7.3.2  Equations of Motion for the Road7.3.3  Interaction Between the Vehicle and the Road7.4  Response Comparison of the Coupled System with the Traditional Separated System7.5  Chapter SummaryReferences8  Parameter Design of Vehicle-Road System with Low Dynamic Interaction8.1  Verification of the New Theory of Vehicle-Road Coupled System8.2  Evaluation Criterions of Low Dynamic Interaction8.3  Effects of Vehicle System Parameters8.3.1  The Effect of Vehicle Speed8.3.2  The Effect of Vehicle Load8.3.3  The Effect of Wheel Mass8.3.4  The Effects of Tire Stiffness8.3.5  The Effects of Suspension Stiffness8.3.6  The Effects of Tire Damping8.3.7  The Effects of Suspension Damping8.3.8  The Effect of Wheelbase8.3.9  The Effect of Wheel Tread8.4  Effects of Road System Parameters8.4.1  The Effects of Pavement Density8.4.2  The Effects of Pavement Height8.4.3  The Effects of Elastic Modulus8.4.4  The Effects of the Pavement Poisson Ratio8.4.5  The Effect of the Foundation Response Modulus8.4.6  The Effect of the Foundation Damping coefficient8.5  Chapter SummaryReferences9  Modeling and Interaction of a Vehicle-Road System with Nonlinearity and Viscoelasticity9.1  System Models and Equations of Motion9.1.1  Modeling Nonlinearity and Viscoelasticity9.1.2  The Equations of Motion for a Nonlinear Vehicle9.1.3  The Equations of Motion for the Nonlinear and Viscoelastic Pavement9.1.4  The Interaction Between the Vehicle and the Pavement9.2  Dynamic Responses of the Nonlinear Vehicle-Road Coupled System9.3  The Effects of Nonlinearity and Viscoelasticity on Vehicle and Road Responses9.4  Chapter SummaryReferences10  The Construction of a Highway Fieldtest Section for Vehicle-Road Interaction10.1  The Experiment Scheme of the Vehicle-Road System10.2  The Highway Field Test System10.2.1  Introduction of the Highway Road Structure10.2.2  The Testing System of the Road10.2.3  The Laying Process of the Sensor10.3 Vehicle Test System10.3.1  Introduction of the Vehicle System10.3.2  Introduction of Vehicle Test System10.4 Analysis of the Road Test Results10.4.1  Analysis of Road Dynamic Strain Response10.4.2  Analysis of Road Vertical Dynamic Stress10.5 Analysis of the Vehicle Test Results10.6 Chapter SummaryReferencesIndex