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Numerical Modelling of Metal Forming Processes: Formability and Damage

December 2 - December 13

Overview

The finite element method is the most widespread numerical technique to  simulate and analyse complex industrial metal forming processes. In contrast to the active role performed by the manufacturing  research groups during the pioneering developments of finite element computer programs that were produced during the 1980’s and 1990’s, current practice indicates a total or near-total engagement of the majority of these groups on applications rather than on developments. A critical gap was formed between the developers of computer programs and users having the know-how on metal forming technology. This course is concerned with this gap and was designed with the purpose of providing industrial and  academic users of computer programs a basic overview of the finite element method applied to metal  forming. The goal is to provide users with a good understanding of the basic theoretical and numerical  ingredients behind the development of computer programs, namely to obtain a better knowledge on the  different sources of non-linearity, on different available constitutive equations, friction models, damage  criteria and formability limits, among other subjects. All this accounts for the overall aim and objective of  users being able to understand the differences between different available formulations, to recognize  their pitfalls, to identify the possible sources of errors and to understand the routes for validating results  from numerical simulations.

Objectives of the Course

The course is concerned with the gap between developers of the finite element computer programs and the users having the know-how on material forming technologies. The course was designed with the following objectives:

  • to refresh fundamentals of solid mechanics, plasticity theory, formability, damage and friction;
  •  to provide a bridge between analytical and numerical modelling of metal forming processes;
  •  to provide participants with a better understanding on the fundamental ingredients that are necessary to develop and properly utilize computer programs based on the finite element method;
  •  to discuss computer implementation of a wide range of theoretical and numerical subjects related to mesh generation, contact algorithms, friction, constitutive equations, solution procedures and parallelization, among others; 
  •  to draw from the fundamentals of finite element formulations to aspects of accuracy, reliability and validity of numerical modeling.

 

 

Venue

Indian Institute of Technology Bombay
Main Gate Rd, IIT Area, Powai, Mumbai, Maharashtra 400076
Mumbai, Maharashtra

Organizer

Global Initiative of Academic Networks (GIAN)