Control of Welding Distortion in Thin-Plate Fabrication

1st Edition

Design Support Exploiting Computational Simulation

Authors: Tom Gray D. Camilleri N. McPherson
Hardcover ISBN: 9780857090478
eBook ISBN: 9780857099327
Imprint: Woodhead Publishing
Published Date: 20th January 2014
Page Count: 352
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The intense temperature fields caused by heat sources in welding frequently lead to distortions and residual stresses in the finished product. Welding distortion is a particular problem in fabricating thin plate structures such as ships. Based on pioneering research by the authors, Control of Welding Distortion in Thin-Plate Fabrication reviews distortion test results from trials and shows how outcomes can be modeled computationally. The book provides readers with an understanding of distortion influences and the means to develop distortion-reducing strategies.

The book is structured as an integrated treatment. It opens by reviewing the development of computational welding mechanics approaches to distortion. Following chapters describe the industrial context of stiffened plate fabrication and further chapters provide overviews of distortion mechanics and the modeling approach. A chapter on full-scale welding trials is followed by three chapters that develop modeling strategies through thermal process and thermo-mechanical simulations, based on finite-element analysis. Simplified models are a particular feature of these chapters. A final sequence of chapters explores the simulation of welding distortion in butt welding of thin plates and fillet welding of stiffened plate structures, and shows how these models can be used to optimize design and fabrication methods to control distortion.

Control of Welding Distortion in Thin-Plate Fabrication is a comprehensive resource for metal fabricators, engineering companies, welders and welding companies, and practicing engineers and academics with an interest in welding mechanics.

Key Features

  • Allows practitioners in the field to minimize distortion during the welding of thin plates
  • Provides computational tools that can give insight into the effects of welding and fabrication procedures
  • Demonstrates how welding distortion in thin plate fabrications can be minimized through design


Metal fabricators; Forensic engineers; Engineering companies involved in the fabrication and manufacture of metal-end products; Engineers and academics with an interest in metallurgy and welding

Table of Contents

Author contact details

Woodhead Publishing Series in Welding and Other Joining Technologies


1. Introduction: development of computational welding mechanics approach to welding distortion


1.1 Background: control of welding distortion in fabrication practice

1.2 Aims: integrated design approach utilising computational welding mechanics (CWM)

1.3 Structure of the book

1.4 Conclusion

1.5 References

2. Fabrication of stiffened thin-plate structures and the problem of welding distortion


2.1 Introduction

2.2 Welding distortion of stiffened-plate and other fabricated structures

2.3 Outline of a typical fabrication process

2.4 Raw materials and primary process factors

2.5 Management issues relevant to thin-plate distortion

2.6 Rectification of thin-plate distortion

2.7 Conclusion

2.8 References

3. Tools to deal with welding distortion: predictive modelling and research on in-process techniques


3.1 Introduction

3.2 Artificial neural networks (ANNs)

3.3 Computational simulation

3.4 Current research on reduction of distortion

3.5 Conclusion

3.6 References

4. Understanding welding distortion: thermal fields thermo-mechanical effects


4.1 Introduction

4.2 Thermal fields: dependence on welding parameters and material properties

4.3 Thermo-mechanical effects

4.4 Thermo-mechanical treatment based on longitudinal–transverse uncoupling

4.5 Plane strain strip: longitudinal deformations and forces

4.6 Transverse welding deformations

4.7 Residual stress

4.8 Buckling

4.9 Conclusion

4.10 References

5. Computational simulation of welding distortion: an overview


5.1 Introduction

5.2 Multi-


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About the Author

Tom Gray

Tom Gray is a Professor at the University of Strathclyde, UK.

Affiliations and Expertise

University of Strathclyde, UK

D. Camilleri

Duncan Camilleri is a Senior Lecturer at the University of Malta, Malta.

Affiliations and Expertise

University of Malta, Malta

N. McPherson

Norman McPherson is a Welding Manager at BAE Systems, Surface Ships, UK.

Affiliations and Expertise

BAE Systems, UK