Numerical Methods for the Predictions of Welding Stresses and Distortions PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Numerical Methods for the Predictions of Welding Stresses and Distortions PDF full book. Access full book title Numerical Methods for the Predictions of Welding Stresses and Distortions by V. I. Makhnenko. Download full books in PDF and EPUB format.
Author: V. I. Makhnenko
Publisher: Taylor & Francis
ISBN: 9789058230416
Category : Social Science
Languages : en
Pages : 156
Get Book Here
Book Description
First published in 2004. Routledge is an imprint of Taylor & Francis, an informa company.
Author: V. I. Makhnenko
Publisher: Taylor & Francis
ISBN: 9789058230416
Category : Social Science
Languages : en
Pages : 156
Get Book Here
Book Description
First published in 2004. Routledge is an imprint of Taylor & Francis, an informa company.
Author: Zhili Feng
Publisher: CRC Press
ISBN: 9780849334672
Category : Technology & Engineering
Languages : en
Pages : 372
Get Book Here
Book Description
As a fabrication technology, welding presents a number of technical challenges to the designer, manufacturer, and end-user of the welded structures. Both weld residual stress and distortion can significantly impair the performance and reliability of the welded structures. They must be properly dealt with during design, fabrication, and in-service use of the welded structures. There have been many significant and exciting developments on the subject in the past ten to fifteen years. Measurement techniques have been improved significantly. More importantly, the development of computational welding mechanics methods has been phenomenal. The progresses in the last decade or so have not only greatly expanded our fundamental understanding of the processes and mechanisms of residual stress and distortion during welding, but also have provided powerful tools to quantitatively determine the detailed residual stress and distortion information for a given welded structure. New techniques for effective residual stress and distortion mitigations and controls have also been applied in different industry sectors. Processes and Mechanisms of Welding Residual Stress and Distortion provides a comprehensive summary on the developments in the subject. It outlines theoretical treatments on heat transfer, solid mechanics and materials behavior that are essential for understanding and determining the welding residual stress and distortion. The approaches for computational methods and analysis methodology are described so that non specialists can follow them. There are chapters devoted to the discussion of various techniques for control and mitigation of residual stress and distortion, and residual stress and distortion results for various typical welded structures are provided. The second half of the book looks at case studies and practical solutions and provides insights into the techniques, challenges, limitations and future trends of each application. This book will not only be useful for advanced analysis of the subject, but also provide sufficient examples and practical solutions for welding engineers. With a panel of leading experts this authoritative book will be a valuable resource for welding engineers and designers as well as academics working in the fields of structural and mechanical engineering.
Author: S. D. Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
Get Book Here
Book Description
Author: Pierluigi Mollicone
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Prediction of residual stresses and distortion induced by welding is relevant to many industries involved with the manufacture and assembly of thin plate structures. The ability to predict these unwanted effects on such structures subjected to welding processes is important to minimise costs associated with rework and other corrective actions. The main challenge is to model the complex and at times indeterminate nature of the welding process, preferably in a simple and transparent manner. The present work dealt with the development, validation and application of advanced simulation techniques for the prediction of welding induced residual stresses and distortions. Current literature presents a wide-ranging number of approaches, which vary in complexity and purpose, but at times fail to present a clear methodology for numerical based analysis. In the current work a commercial finite element software package was used to develop thermo-elasto-plastic models suited for this application. The proposed methodology was developed by initially analysing simple set-ups, validated through the use of experimental measurement techniques for both residual stresses and distortions predictions. This provided confidence in the application of the numerical models, which were then used to investigate more complex cases of particular interest to the shipbuilding industry. This part of the project dealt with ancillary operations, namely the initial application of tack welds and restraints on the structure, for which little attention is usually given due to their apparent insignificance compared to the final welding process. Their effects are in fact substantial and were investigated by using the thermo-elasto-plastic models together with experimental trials. A better understanding of their influence was hence illustrated, providing a basis for the establishment of a best industrial practice.
Author: Paolo Ferro
Publisher: BoD – Books on Demand
ISBN: 178923106X
Category : Technology & Engineering
Languages : en
Pages : 164
Get Book Here
Book Description
The ability to quantify residual stresses induced by welding processes through experimentation or numerical simulation has become, today more than ever, of strategic importance in the context of their application to advanced design. This is an ongoing challenge that commenced many years ago. Recent design criteria endeavour to quantify the effect of residual stresses on fatigue strength of welded joints to allow a more efficient use of materials and a greater reliability of welded structures. The aim of the present book is contributing to these aspects of design through a collection of case-studies that illustrate both standard and advanced experimental and numerical methodologies used to assess the residual stress field in welded joints. The work is intended to be of assistance to designers, industrial engineers and academics who want to deepen their knowledge of this challenging topic.
Author: Nisith R. Mandal
Publisher: Alpha Science International, Limited
ISBN:
Category : Social Science
Languages : en
Pages : 172
Get Book Here
Book Description
Welding and Distortion Control illustrates various welding methods with particular focus on shipbuilding, namely Sheet Metal Arc Welding (SMAW), Gas Metal Arc Welding (GMAW), Gas Tungsten Arc Welding (GTAW), Submerged Arc Welding (SAW) and Electro-slag along with single side and multi-electrode welding techniques. The chapter on welding distortion starts by explaining the distortion mechanism and subsequently introduces various types of distortions encountered and their prediction methods. Suitable distortion prediction tools have been explained to help welding engineers and structural designers to implement effective distortion control measures and to make production friendly designs for achieving the goal of near zero distortion in fabricated structures which will eliminate to a great extent the tedious post weld fairing work.
Author: Koichi Masubuchi
Publisher: Elsevier
ISBN: 1483188434
Category : Technology & Engineering
Languages : en
Pages : 655
Get Book Here
Book Description
Analysis of Welded Structures: Residual Stresses, Distortion, and their Consequences encompasses several topics related to design and fabrication of welded structures, particularly residual stresses and distortion, as well as their consequences. This book first introduces the subject by presenting the advantages and disadvantages of welded structures, as well as the historical overview of the topic and predicted trends. Then, this text considers residual stresses, heat flow, distortion, fracture toughness, and brittle and fatigue fractures of weldments. This selection concludes by discussing the effects of distortion and residual stresses on buckling strength of welded structures and effects of weld defects on service behavior. This book also provides supplementary discussions on some related and selected subjects. This text will be invaluable to metallurgists, welders, and students of metallurgy and welding.
Author: Pan Michaleris
Publisher: Elsevier
ISBN: 0857092901
Category : Technology & Engineering
Languages : en
Pages : 319
Get Book Here
Book Description
Welding is a cost-effective and flexible method of fabricating large structures, but drawbacks such as residual stress, distortion and buckling must be overcome in order to optimize structural performance. Minimization of welding distortion and buckling provides a systematic overview of the methods of minimizing distortion and buckling in welded structures. Following an introductory chapter, part one focuses on understanding welding stress and distortion, with chapters on such topics as computational welding mechanics, modelling the effect of phase transformations on welding stress and distortion and using computationally efficient reduced-solution methods to understand welding distortion. Part two covers different methods of minimizing welding distortion. Chapters discuss methods such as differential heating for minimizing distortion in welded stiffeners, dynamic thermal tensioning, reverse-side heating and ways of minimizing buckling such as weld cooling and hybrid laser arc welding. With its distinguished editor and international team of contributors, Minimization of welding distortion and buckling is an essential reference for all welders and engineers involved in fabrication of metal end-products, as well as those in industry and academia with a research interest in the area. Provides a systematic overview of the methods of minimizing distortion and buckling in welded structures Focuses on understanding welding stress and distortion featuring computational welding mechanics and modelling the effect of phase transformations Explores different methods of minimizing welding distortion discussing differential heating and dynamic thermal tensioning
Author: Reza Beygi
Publisher: Springer Nature
ISBN: 3030979105
Category : Technology & Engineering
Languages : en
Pages : 97
Get Book Here
Book Description
This book introduces basic concepts related to computer-aided simulation of welding and prepares the reader to perform the simulation of welding by commercial simulation software. It focuses on conceptualizing the physics of welding, heat transfer, stress development and microstructure development in welding. This book helps the reader to implement these concepts in any commercial software to simulate the welding process according to their own requirement.
Author: R. Ganesh Narayanan
Publisher: Springer Nature
ISBN: 9813290722
Category : Technology & Engineering
Languages : en
Pages : 1092
Get Book Here
Book Description
This volume presents a selection of papers from the 2nd International Conference on Computational Methods in Manufacturing (ICCMM 2019). The papers cover the recent advances in computational methods for simulating various manufacturing processes like machining, laser welding, laser bending, strip rolling, surface characterization and measurement. Articles in this volume discuss both the development of new methods and the application and efficacy of existing computational methods in manufacturing sector. This volume will be of interest to researchers in both industry and academia working on computational methods in manufacturing.
