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Practical Introduction to Non-Linear Finite Element Analysis

2-day training course



This non-linear Finite Element course is intended for delegates interested in using FE to analyse advanced non-linear problems involving material non-linearities, geometric non-linearities and contact problems.

The objectives of this Finite Element course are:

  • To provide delegates with an introduction to the fundamental theory of non-linear FE analysis.
  • To highlight the possible difficulties that may be encountered in using FE software to analyse non-linear problems.


Who Should Attend 

This non-linear FE course is aimed at engineers and scientists who want to gain an understanding of the fundamental theory of non-linear Finite Element analysis and its application to practical problems.

As this is an advanced FE course, a pre-requisite for this course is a reasonable knowledge of linear FE theory and applications. However, no prior knowledge of non-linear Finite Element theory is required. The course is independent of any FE software code.


Technical Content

●  Brief Overview of Linear Finite Element analysis

 A brief overview of linear Finite Element formulation, numerical algorithms, etc. to provide a foundation for the non-linear formulation.

●  General Introduction to Non-linear problems

 Classifications of non-linear problems, Comparison of linear and non-linear FE analysis, Non-linear algorithms and procedures, Difficulties in modelling non-linear problems.

●  Plasticity

 Basic plasticity theory, Uniaxial and multi-axial plasticity, Work hardening, FE treatment of plasticity, Solution strategy and accuracy, Discussion of typical practical plasticity applications.

●   Creep and Visco-elasticity

  Basic theory of creep, Finite Element algorithms for creep problems and time marching, Explicit and implicit time integrations, Discussion of typical practical creep applications.

●   Contact Problems

   Basic theory of contact mechanics, classification of contact configurations, Hertzian and non-Hertzian contact problems, FE contact algorithms, Penalty methods and Lagrange multipliers, Difficulties in modelling contact problems, Tips and guidelines, Discussion of practical contact problems.

●   Geometric Non-linearity

 Basic theory of geometric non-linearity, GNL stress-strain definitions, FE algorithms for geometric non-linearities, Arc-length and line-search methods, Solution strategy and accuracy, Discussion of typical GNL problems.

●  Brief introduction to other advanced Finite Element Applications

 A brief overview of Fracture Mechanics, Fatigue Analysis, Explicit FE codes, Buckling analysis.



Upcoming Presentations

 

Course Tutor

Professor Adib Becker

Adib Becker is Professor of Mechanical Engineering at the University of Nottingham. He has been teaching  Finite Element courses for over 25 years, and has delivered many short courses on FEA, aimed at industry. He has written three textbooks on both linear and non-linear Finite Element analysis, and has published over 260 papers on computational mechanics.

Prof. Becker has been involved in many NAFEMS activities, and has been the Chairman of the NAFEMS Education and Training Working Group since 2006.


Events - Cancellation Policy

Please note NAFEMS cancellation policy for all UK events is as follows:-

  • Cancellation up to 3 weeks before the event date: free of charge;

  • Cancellation up to 1 week before the event date: 75% of registration fee non-refundable;

  • Cancellation up to 1 week before the event date: all seminar credits non-refundable;

  • No show at the event: 100% of registration fee non-refundable;


NAFEMS will discuss the possibility of transferring to an alternative event/course, however an administration charge will be applicable.

This policy is subject to change.