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Finite Element Modeling of Welding Processes
This learning track covers a comprehensive understanding of various welding processes, techniques, and their applications. It begins with the fundamentals of finite element modelling of welding processes, exploring the different components, classifications, and the physics behind these processes. The track then delves into the basics of different welding processes, their properties, and the manufacturing processes involved. It also discusses the key physical and mechanical properties of materials, the importance of understanding these properties in developing numerical models, and the challenges in multi-scale modelling. The track concludes with an overview of data-driven modelling approaches, solid-state welding processes, including brazing and soldering, and the principles of diffusion welding, ultrasonic welding, explosive bonding, and electromagnetic pulse welding. The track also covers the advanced welding processes, including laser beam welding, electron beam welding, and micro welding. It provides a comprehensive understanding of the advantages, disadvantages, and factors influencing these processes, along with their applications in various industries. For instance, the track delves into the concept of wire additive manufacturing processes associated with laser beam welding, explaining the conduction mode and keyhole mode in laser welding. It also discusses the role of power density and its impact on the welding process. The track further explores the advancements in laser micro welding processes and their applications in the medical field, particularly in the manufacturing of medical devices. Additionally, it introduces the Finite Element Method (FEM) in modeling different aspects of fusion welding processes and the concept of elastic stress analysis.
This Learning Track has been developed by Prof. Swarup bag from IIT Guwahati for NPTEL. It is now accessible through Ansys Innovation Space courtesy of the partnership between Ansys and NPTEL, under the CC BY-SA license. For more details, visit https://nptel.ac.in/courses/112103299.
1
Innovation Course
Introduction to Welding Processes
This course covers the comprehensive understanding of various welding processes, techniques, and their applications. It starts with the fundamentals of finite element modeling of welding processes, exploring the different components, classifications, and the phys...Read more
2
Innovation Course
Advanced Welding Processes and Finite Element (FE) Method
This course covers the advanced welding processes, including laser beam welding, electron beam welding, and micro welding. It provides a comprehensive understanding of the advantages, disadvantages, and factors influencing these processes, a...Read more
3
Innovation Course
Fundamentals of Finite Element (FE) Method
This course covers the comprehensive understanding of stress analysis, finite element method (FEM), nonlinearity in finite element modeling, and elastoplastic behavior in finite element analysis. It starts with the relationship between stress, strain, and ...Read more
4
Innovation Course
Finite Element (FE) Method and Heat Source Model in Conduction Mode Welding Processes
This course covers the intricate aspects of finite element modeling of fluid flow problems, with a special focus on heat conduction problems. For instance, students learn about the development of a finite element-...Read more
5
Innovation Course
Heat Source Model in Conduction Mode Welding Processes
This course covers the comprehensive understanding of heat source models in welding processes. It starts with the basics of welding heat sources, focusing on the analytical solution of different heat sources associated with the welding proces...Read more
6
Innovation Course
Application of FEM to Model Welding Processes Part I
This course covers the comprehensive understanding of the Finite Element Method (FEM) and its application in modeling welding processes. It starts with the basics of FEM, demonstrating how it forms linear systems of equations that aid in comp...Read more
7
Innovation Course
Application of FEM to model welding processes Part II
This course covers the comprehensive understanding of various welding processes through the lens of finite element modeling. It begins with an exploration of electron beam and resistance welding processes, discussing their principles, operatio...Read more
8
Innovation Course
FE-Based Fluid Flow Model in Fusion Welding Process
This course covers the comprehensive understanding of finite element modeling in heat transfer and fluid flow analysis, particularly in the fusion rolling process. It provides an in-depth understanding of the role of fluid flow in the welding pr...Read more
9
Innovation Course
FE-based Elasticplastic Stress Model of Welding Processes
This course covers the comprehensive understanding of elasto-plastic analysis in welding processes. It begins with the development of a finite element model and explains how to predict residual stress associated with welding processes. The...Read more
10
Innovation Course
FE Model of Metal Transfer in Welding
This course covers the intricate process of metal transfer in welding, with a special focus on finite element modeling. It explores the complexities of the modeling approach for metal transfer associated with the arc welding process. The course delves into th...Read more
11
Innovation Course
FE Model of Non-Fourier Heat Conduction
This course covers the essential principles of non-Fourier heat conduction, a key concept in comprehending specific welding processes and ultrasound pulse laser processing. It delves into the distinctions between Fourier and non-Fourier heat conduction mode...Read more
12
Innovation Course
FE Model of Wire-Additive Manufacturing Processes
This course covers the comprehensive understanding of additive manufacturing, with a special focus on wire additive manufacturing processes. It explores various types of additive manufacturing technologies such as stereolithography, powder bed fus...Read more