Finite Element Method in Manufacturing Processes

Finite Element Method in Manufacturing Processes

by J. Paulo Davim (Editor)

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Overview

Finite Element Method in Manufacturing Processes by J. Paulo Davim

The finite element method (FEM) has become the main instrument for simulating manufacturing processes, owing to the fact that it can replace experimental approaches to the study of manufacturing processes in many cases. This book describes some of the research fundamentals as well as advances in the application of FEM in such manufacturing processes as machining, bulk deformation, sheet metal forming, surface treatments, micromanufacturing processes, and more. It is a highly useful reference for academics, researchers, engineers and other professionals in manufacturing and computational mechanics.

Product Details

ISBN-13: 9781848212824
Publisher: Wiley
Publication date: 03/08/2011
Series: ISTE Series , #550
Pages: 246
Product dimensions: 6.30(w) x 9.30(h) x 0.80(d)

About the Author

J. Paulo Davim is Aggregate Professor in the Department of Mechanical Engineering at the University of Aveiro, Portugal and is Head of MACTRIB (Machining and Tribology Research Group). His main research interests include machining/manufacturing processes and tribology/surface engineering.

Table of Contents

Preface ix

Chapter 1 Authentication of FEM in Metal Cutting Viktor P. Astakhov 1

1.1 Introduction 2

1.2 What seems to be the problem? 3

1.2.1 Practical use of metal cutting theories and the FEM 4

1.2.2 Need for proper simulations in metal cutting 5

1.3 FEM in metal cutting: issues that need to be addressed 9

1.3.1 Clear objectives of FEM simulations 9

1.3.2 Proper definition of the metal-cutting process and physically sound model 11

1.3.3 Work material model 15

1.4 Verification of the FEM in metal cutting 31

1.4.1 Common sense verification 33

1.4.2 Geometrical and metallographical similarities 34

1.4.3 Deformation similarity 36

1.4.4 Thermodynamic similarity 39

1.5 Bibliography 40

Chapter 2 Finite Element Modeling of HSM with Coated Tools Muhammad FAHAD Paxil T. Mativenga Mohammad A. Sheikh

2.1 Introduction 46

2.2 Metal cutting' 47

2.2.1 Orthogonal cutting model 47

2.2.2 HSM 48

2.3 Cutting tools and coatings 51

2.3.1 Properties of hard coatings 53

2.3.2 Restricted contact length 55

2.4 Heat generation and distribution in machining 59

2.4.1 Estimation of heat source on the rake face 61

2.5 Finite element analysis (FEA) of the machining process 62

2.6 Experimental details 67

2.6.1 Temperature measurement 68

2.7 FE transient heat transfer analysis 70

2.8 Results and discussion 73

2.8.1 Cutting forces 73

2.8.2 Chip compression ratio 74

2.8.3 Tool-chip contact area and phenomena 75

2.9 Heat partition into the cutting tool 78

2.10 Conclusions 84

2.11 Bibliography 85

Chapter 3 Experimental and Numerical Modeling of Tube End-Forming Processes Pedro A. R. Rosa Luis M. Alves Paulo A. F. Martins 93

3.1 Introduction 93

3.2 Theoretical background 96

3.2.1 Cold forming of metals and polymers 96

3.2.2 Extended finite element flow formulation 98

3.3 Experimentation 101

3.3.1 Stress-strain curve 101

3.3.2 Density 102

3.3.3 Critical instability load 104

3.4 Mechanics of deformation 105

3.4.1 Invert forming 105

3.4.2 Expansion and reduction 113

3.4.3 Compression beading and nosing 117

3.4.4 End forming of PVC tubes 120

3.5 Innovative applications 126

3.6 Conclusions 131

3.7 Bibliography 133

Chapter 4 Finite Element Modeling of Rolling Processes Uday Shankar Dixit 137

4.1 Introduction 137

4.2 Background on the FEM 140

4.3 Flow formulation of the cold rolling processes 142

4.4 Updated Lagrangian formulation of cold rolling processes 154

4.5 Formulation for hot rolling processes 161

4.5.1 Heat transfer equations 162

4.5.2 Material behavior 164

4.6 Conclusions 169

4.7 Bibliography 169

Chapter 5 Finite Element Modeling of Ball-Burnishing Surface Treatments Ainhoa Celaya Luis Norberto López De Lacalle Joseba Albizuri Adrian Rodriguez Aitzol Lamikiz 173

5.1 Introduction 173

5.2 Modeling of the ball-burnishing process 177

5.2.1 Preliminary considerations 179

5.2.2 Simulation of the ball movement 183

5.2.3 Simulation results 186

5.3 Model validation 193

5.3.1 Experimental set up 193

5.3.2 Results and discussion 194

5.4 Summary and conclusions 196

5.5 Acknowledgments 197

5.6 Bibliography 198

Chapter 6 Combining the Finite Element Method and Artificial Intelligence in Manufacturing Modeling and Optimization Ramon Quiza J. Paulo Davim 201

6.1 Introduction 201

6.2 A brief overview on AI techniques 203

6.2.1 AI techniques for modeling 203

6.2.2 AI techniques for optimizing 211

6.3 Approaches for combining the FEM and AI in machining research 214

6.3.1 Approaches for combining the FEM and AI in machining modeling 214

6.3.2 Approaches for combining FEM and AI in machining optimization 219

6.4 An application sample 221

6.4.1 Problem definition 221

6.4.2 Simulation 223

6.4.3 Neural network-based modeling 226

6.4.4 Genetic algorithm-based optimization 230

6.4.5 Experimental validation 235

6.5 Concluding remarks 235

6.6 Bibliography 236

List of Authors 241

Index 245

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