Vladimir Kobelev

Design and Analysis of Composite Structures for Automotive Applications (eBook, PDF)

Chassis and Drivetrain

• Format: PDF

Produktbeschreibung

A design reference for engineers developing composite components for automotive chassis, suspension, and drivetrain applications This book provides a theoretical background for the development of elements of car suspensions. It begins with a description of the elastic-kinematics of the vehicle and closed form solutions for the vertical and lateral dynamics. It evaluates the vertical, lateral, and roll stiffness of the vehicle, and explains the necessity of the modelling of the vehicle stiffness. The composite materials for the suspension and powertrain design are discussed and their mechanical properties are provided. The book also looks at the basic principles for the design optimization using composite materials and mass reduction principles. Additionally, references and conclusions are presented in each chapter. Design and Analysis of Composite Structures for Automotive Applications: Chassis and Drivetrain offers complete coverage of chassis components made of composite materials and covers elastokinematics and component compliances of vehicles. It looks at parts made of composite materials such as stabilizer bars, wheels, half-axes, springs, and semi-trail axles. The book also provides information on leaf spring assembly for motor vehicles and motor vehicle springs comprising composite materials. * Covers the basic principles for the design optimization using composite materials and mass reduction principles * Evaluates the vertical, lateral, and roll stiffness of the vehicle, and explains the modelling of the vehicle stiffness * Discusses the composite materials for the suspension and powertrain design * Features closed form solutions of problems for car dynamics explained in details and illustrated pictorially Design and Analysis of Composite Structures for Automotive Applications: Chassis and Drivetrain is recommended primarily for engineers dealing with suspension design and development, and those who graduated from automotive or mechanical engineering courses in technical high school, or in other higher engineering schools.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 392
• Erscheinungstermin: 1. April 2019
• Englisch
• ISBN-13: 9781119513841
• Artikelnr.: 56149771

Autorenporträt

VLADIMIR KOBELEV, PHD, is a professor of mechanical engineering at the University of Siegen in Germany. He is a member of the International Society for Structural and Multidisciplinary Optimization and EUROMECH. He has authored three other books, including Durability of Springs, and has contributed over 60 articles to international scientific journals.

Inhaltsangabe

Foreword xiii

Series Preface xv

List of Symbols and Abbreviations xvii

Introduction xxiii

About the Companion Website xxxv

1 Elastic Anisotropic Behavior of Composite Materials 1

1.1 Anisotropic Elasticity of Composite Materials 1

1.1.1 Fourth Rank Tensor Notation of Hooke's Law 1

1.1.2 Voigt's Matrix Notation of Hooke's Law 2

1.1.3 Kelvin's Matrix Notation of Hooke's Law 5

1.2 Unidirectional Fiber Bundle 7

1.2.1 Components of a Unidirectional Fiber Bundle 7

1.2.2 Elastic Properties of a Unidirectional Fiber Bundle 7

1.2.3 Effective Elastic Constants of Unidirectional Composites 8

1.3 Rotational Transformations of Material Laws, Stress and Strain 10

1.3.1 Rotation of Fourth Rank Elasticity Tensors 11

1.3.2 Rotation of Elasticity Matrices in Voigt's Notation 11

1.3.3 Rotation of Elasticity Matrices in Kelvin's Notation 13

1.4 Elasticity Matrices for Laminated Plates 14

1.4.1 Voigt's Matrix Notation for Anisotropic Plates 14

1.4.2 Rotation of Matrices in Voigt's Notation 15

1.4.3 Kelvin's Matrix Notation for Anisotropic Plates 15

1.4.4 Rotation of Matrices in Kelvin's Notation 16

1.5 Coupling Effects of Anisotropic Laminates 17

1.5.1 Orthotropic Laminate Without Coupling 17

1.5.2 Anisotropic Laminate Without Coupling 17

1.5.3 Anisotropic Laminate With Coupling 17

1.5.4 Coupling Effects in Laminated Thin-Walled Sections 18

1.6 Conclusions 18

References 19

2 Phenomenological Failure Criteria of Composites 21

2.1 Phenomenological Failure Criteria 21

2.1.1 Criteria for Static Failure Behavior 21

2.1.2 Stress Failure Criteria for Isotropic Homogenous Materials 21

2.1.3 Phenomenological Failure Criteria for Composites 22

2.1.4 Phenomenological Criteria Without Stress Coupling 23

2.1.4.1 Criterion of Maximum Averaged Stresses 23

2.1.4.2 Criterion of Maximum Averaged Strains 24

2.1.5 Phenomenological Criteria with Stress Coupling 24

2.1.5.1 Mises-Hill Anisotropic Failure Criterion 24

2.1.5.2 Pressure-Sensitive Mises-Hill Anisotropic Failure Criterion 26

2.1.5.3 Tensor-Polynomial Failure Criterion 27

2.1.5.4 Tsai-Wu Criterion 30

2.1.5.5 Assessment of Coefficients in Tensor-Polynomial Criteria 30

2.2 Differentiating Criteria 33

2.2.1 Fiber and Intermediate Break Criteria 33

2.2.2 Hashin Strength Criterion 33

2.2.3 Delamination Criteria 35

2.3 Physically Based Failure Criteria 35

2.3.1 Puck Criterion 35

2.3.2 Cuntze Criterion 36

2.4 Rotational Transformation of Anisotropic Failure Criteria 37

2.5 Conclusions 40

References 40

3 Micromechanical Failure Criteria of Composites 45

3.1 Pullout of Fibers from the Elastic-Plastic Matrix 45

3.1.1 Axial Tension of Fiber and Matrix 45

3.1.2 Shear Stresses in Matrix Cylinders 51

3.1.3 Coupled Elongation of Fibers and Matrix 53

3.1.4 Failures in Matrix and Fibers 54

3.1.4.1 Equations for Mean Axial Displacements of Fibers and Matrix 54

3.1.4.2 Solutions of Equations for Mean Axial Displacements of Fibers and Matrix 56

3.1.5 Rupture of Matrix and Pullout of Fibers from Crack Edges in a Matrix 57

3.1.5.1 Elastic Elongation (Case I) 57

3.1.5.2 Plastic Sliding on the Fiber Surface (Case II) 58

3.1.5.3 Fiber Breakage (Case III) 58

3.1.6 Rupture of Fibers, Matrix Joi