NPTEL : NOC:Finite Element Modeling of Welding Processes (Mechanical Engineering)

Co-ordinators : Prof. Swarup bag


Lecture 1 - Properties, Modelling approaches, Process modelling and Optimization

Lecture 2 - Fusion welding - 1

Lecture 3 - Fusion welding - 2

Lecture 4 - Soldering, Brazing, Solid-state welding processes

Lecture 5 - Advanced welding processes

Lecture 6 - Advances in laser microwelding

Lecture 7 - Additive manufacturing processes

Lecture 8 - Elastic stress analysis - I

Lecture 9 - Elastic stress analysis - II and Potential energy method

Lecture 10 - Three-Dimensional element

Lecture 11 - Weighted residual method

Lecture 12 - Material nonlineaity - I

Lecture 13 - Material nonlineaity - II

Lecture 14 - Fluid flow and Natural coordinate system - I

Lecture 15 - Natural coordinate system in 3D and XFEM

Lecture 16 - Introduction to heat source model

Lecture 17 - Heat source models in welding - I

Lecture 18 - Heat source models in welding - II

Lecture 19 - Heat source model for Keyhole mode and solid state welding

Lecture 20 - Implementation of FEM in fusion welding processes

Lecture 21 - Implementation of FEM for fluid flow in fusion welding processes

Lecture 22 - FEM modeling of EBW and RSW

Lecture 23 - FEM modeling of FSW and hybrid FSW

Lecture 24 - Demonstration of thermal model development using commercial software

Lecture 25 - Fluid flow modeling in welding processes

Lecture 26 - Heat transfer and fluid flow analysis in quasi-steady state

Lecture 27 - Prediction of free surface profile

Lecture 28 - Principle stress, Hydrostatic and Deviatoric Components of Stress

Lecture 29 - Yield Function, Von Mises Yield Surface and Hardening rule

Lecture 30 - Material models, Residual stress and distortion

Lecture 31 - Phase transformation effect on Residual stress and distortion

Lecture 32 - Demonstration of thermo-mechanical model development using commercial software

Lecture 33 - Fundamentals of metal transfer in arc welding

Lecture 34 - FE-based modelling approaches

Lecture 35 - Theoretical development of heat transfer model

Lecture 36 - Heating of nano-film

Lecture 37 - Theoretical development of stress analysis model

Lecture 38 - Fundamentals of wire arc additive manufacturing processes - I

Lecture 39 - Fundamentals of wire arc additive manufacturing processes - II

Lecture 40 - Modelling approaches of additive manufacturing