Computational Welding Mechanics

Author : Lars-Erik Lindgren
Publisher : Elsevier
Page : 246 pages
File Size : 51,8 Mb
Release : 2014-01-23
Category : Computers
ISBN : 9781845693558

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Computational Welding Mechanics by Lars-Erik Lindgren Pdf

Computational welding mechanics (CWM) provides an important technique for modelling welding processes. Welding simulations are a key tool in improving the design and control of welding processes and the performance of welded components or structures. CWM can be used to model phenomena such as heat generation, thermal stresses and large plastic deformations of components or structures. It also has a wider application in modelling thermomechanical and microstructural phenomena in metals. This important book reviews the principles, methods and applications of CWM. The book begins by discussing the physics of welding before going on to review modelling methods and options as well as validation techniques. It also reviews applications in areas such as fatigue, buckling and deformation, improved service life of components and process optimisation. Some of the numerical methods described in the book are illustrated using software available from the author which allows readers to explore CWM in more depth. Computational welding mechanics is a standard work for welding engineers and all those researching welding processes and wider thermomechanical and microstructural phenomena in metals. Highlights the principles, methods and applications of CWM Discusses the physics of welding Assesses modelling methods and validation techniques

Author : John A. Goldak,Mehdi Akhlaghi
Publisher : Springer Science & Business Media
Page : 326 pages
File Size : 47,8 Mb
Release : 2006-07-04
Category : Technology & Engineering
ISBN : 9780387232881

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Computational Welding Mechanics by John A. Goldak,Mehdi Akhlaghi Pdf

Computational Welding Mechanics (CWM) provides readers with a complete introduction to the principles and applications of computational welding including coverage of the methods engineers and designers are using in computational welding mechanics to predict distortion and residual stress in welded structures, thereby creating safer, more reliable and lower cost structures. Drawing upon years of practical experience and the study of computational welding mechanics the authors instruct the reader how to: - understand and interpret computer simulation and virtual welding techniques including an in depth analysis of heat flow during welding, microstructure evolution and distortion analysis and fracture of welded structures, - relate CWM to the processes of design, build, inspect, regulate, operate and maintain welded structures, - apply computational welding mechanics to industries such as ship building, natural gas and automobile manufacturing. Ideally suited for practicing engineers and engineering students, Computational Welding Mechanics is a must-have book for understanding welded structures and recent technological advances in welding, and it provides a unified summary of recent research results contributed by other researchers.

Author : Lars-Erik Lindgren
Publisher : Unknown
Page : 231 pages
File Size : 50,9 Mb
Release : 2007
Category : Welding
ISBN : 1439824096

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Computational Welding Mechanics by Lars-Erik Lindgren Pdf

Author : Jiangchao Wang,Bin Yi,Qingya Zhang
Publisher : CRC Press
Page : 245 pages
File Size : 55,9 Mb
Release : 2023-12-21
Category : Technology & Engineering
ISBN : 9781000997286

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Computational Welding Mechanics for Engineering Application by Jiangchao Wang,Bin Yi,Qingya Zhang Pdf

Computational Welding Mechanics for Engineering Application: Buckling Distortion of Thin Plate and Residual Stress of Thick Plate deals with two special issues in the field of computational welding mechanics: buckling distortion of thin plate and residual stress of thick plate. Through experiment, theory, and computational analysis, the authors systematically introduce the latest progress and achievements of computational welding mechanics, such as weld buckling in lightweight fabrication and residual stress in HTSS thick plate welding. In addition, they also explore its application to address real-world engineering problems in advanced manufacturing, such as precision manufacturing and mechanical performance evaluation. The book will be of interest to scholars and engineers of computational welding mechanics who wish to represent the welding mechanics response, predict the distribution and magnitude of mechanical variables, or optimize the welding technique to improve the manufacturing quality.

Author : Pan Michaleris
Publisher : Elsevier
Page : 319 pages
File Size : 41,8 Mb
Release : 2011-05-25
Category : Technology & Engineering
ISBN : 9780857092908

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Minimization of Welding Distortion and Buckling by Pan Michaleris Pdf

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 : Zhili Feng
Publisher : CRC Press
Page : 372 pages
File Size : 47,8 Mb
Release : 2005-11-01
Category : Technology & Engineering
ISBN : 0849334675

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Processes and mechanisms of welding residual stress and distortion by Zhili Feng Pdf

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 : Ninshu Ma,Hidekazu Murakawa,Yukio Ueda
Publisher : Elsevier
Page : 313 pages
File Size : 51,5 Mb
Release : 2012-04-26
Category : Technology & Engineering
ISBN : 9780123948205

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Welding Deformation and Residual Stress Prevention by Ninshu Ma,Hidekazu Murakawa,Yukio Ueda Pdf

Generally, welding produces welding deformation and residual stress in the products, which influences the quality and performance of the products. Although many engineers and researchers have made great effort how to control these incidents, they have still remained unresolved. Welding Deformation and Residual Stress Prevention provides a unique computational approach to the prediction of the effects of deformation and residual stress on materials. The goal is to provide engineers and designers with the ability to create their own computational system for predicting and possibly avoiding the problem altogether. The basic theories including "theory of elastic-plastic analysis" and "inherent strain theory" , and analysis procedures are described using a simple three-bar model Online simulation software to perform basic analysis on welding mechanics Examples of strategic methods and procedures are illustrated to have solved various welding-related problems encountered in the process of construction Appendices present data bases for welding residual stresses, temperature dependent material properties, etc.

Author : Tom Gray,D. Camilleri,N. McPherson
Publisher : Elsevier
Page : 353 pages
File Size : 49,8 Mb
Release : 2014-02-15
Category : Science
ISBN : 9780857099327

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Control of Welding Distortion in Thin-Plate Fabrication by Tom Gray,D. Camilleri,N. McPherson Pdf

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. 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

Author : Anonim
Publisher : Unknown
Page : 30 pages
File Size : 40,8 Mb
Release : 2013
Category : Electric welding
ISBN : 1628701161

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Guide for Verification and Validation in Computation Weld Mechanics by Anonim Pdf

Author : Max Robert Biegler
Publisher : Unknown
Page : 128 pages
File Size : 44,9 Mb
Release : 2020
Category : Electronic
ISBN : 3839616050

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Qualification of Computational Welding Mechanics Approaches for Simulation of Directed Energy Deposition by Max Robert Biegler Pdf

Author : American Welding Society. Committee on Computerization of Welding Information,American Welding Society. Technical Activities Committee
Publisher : Unknown
Page : 30 pages
File Size : 47,9 Mb
Release : 2013-02-28
Category : Electric welding
ISBN : 0871718308

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A9. 5-2013, Guide for Verification and Validation in Computation Weld Mechanics by American Welding Society. Committee on Computerization of Welding Information,American Welding Society. Technical Activities Committee Pdf

This standard provides guidelines for assessing the capability and accuracy of computational weld mechanics (CWM) models. This standard also provides general guidance for implementing verification and validation (V&V) of computational models for complex systems in weld mechanics.

Author : Dieter Radaj
Publisher : Springer Science & Business Media
Page : 367 pages
File Size : 47,9 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783642486401

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Heat Effects of Welding by Dieter Radaj Pdf

Almost all welding technology depends upon the use of concentrated energy sources to fuse or soften the material locally at the joint, before such energy can be diffused or dispersed elsewhere. Although comprehensive treatments of transient heat flow as a controlling influence have been developed progressively and published over the past forty years, the task of uniting the results compactly within a textbook has become increasingly formidable. With the comparative scarcity of such works, welding engineers have been denied the full use of powerful design analysis tools. During the past decade Dr Radaj has prepared to fulfil this need, working from a rich experience as pioneer researcher and teacher, co-operator with Professor Argyris at Stuttgart University in developing the finite element method for stress analysis of aircraft and power plant structures, and more recently as expert consultant on these and automotive structures at Daimler Benz. His book appeared in 1988 in the German language, and this updated English language edition will significantly increase the availability of the work.

Author : F. Brust
Publisher : Unknown
Page : 218 pages
File Size : 44,9 Mb
Release : 2002
Category : Science
ISBN : UOM:39015051920091

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Computational Weld Mechanics, Constraint, and Weld Fracture by F. Brust Pdf

Annotation These 26 technical papers from the August 2002 conference present novel analytical and experimental methods related to fracture mechanics, computational weld mechanics, and residual stresses for evaluation of the structural integrity and reliability of pressure vessels and piping. Bi-metallic welds, finite elements and constraint effects on fracture, and large scale weld modeling of structures are addressed. Topics include fracture assessment of a clad steel using the SINTAP procedure, lump pass welding simulation technology for shipbuilding applications, and the determination of constraint-modified J-R curves for carbon steel storage tanks. No subject index. Annotation c. Book News, Inc., Portland, OR (booknews.com).

Author : Reza Beygi,Eduardo Marques,Lucas F.M. da Silva
Publisher : Springer Nature
Page : 97 pages
File Size : 53,7 Mb
Release : 2022-03-22
Category : Technology & Engineering
ISBN : 9783030979102

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Computational Concepts in Simulation of Welding Processes by Reza Beygi,Eduardo Marques,Lucas F.M. da Silva Pdf

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 : Steve Lampman,ASM International
Publisher : ASM International
Page : 432 pages
File Size : 49,7 Mb
Release : 1997-01-01
Category : Technology & Engineering
ISBN : 1615032045

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Weld Integrity and Performance by Steve Lampman,ASM International Pdf

Key articles from over 10 separate ASM publications are brought together as a practical reference on weld integrity crack prevention. This book thoroughly covers the essentials of weld solidification and cracking, weldability and material selection, process control and heat treatment, failure analysis, and fatigue and fracture mechanics weldments. Contents also include an appendix for quick reference of tabular data on weldability of alloys, process selection, recommended interpass and heat treatment temperatures, and qualification codes and standards.