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# Practical Introduction to Non-Linear Analysis

## 12-13 October 20112 day training courseCrowne Plaza Hotel, Nottingham, UK

This non-linear FE 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 FE 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 FE 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 FE theory is required. The course is independent of any FE software code.

## Technical Content

●  Brief Overview of Linear FE analysis
A brief overview of linear FE formulation, numerical algorithms, different element types 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, FE 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 FE Applications
A brief overview of Fracture Mechanics, Fatigue Analysis, Explicit FE codes, Buckling analysis.

## Venue

Crowne Plaza Hotel
WOLLATON STREET
NOTTINGHAM
NG1 5RH

## Accommodation

We have secured a limited number of rooms at the venue hotel, at a special rate of £80, including VAT on a bed & breakfast basis. Please contact the hotel directly, quoting reservation number NAF1210, to book rooms at the discounted rate. This reduced rate is applicable to NAFEMS delegates until 12th September only.

## Details

Event Type: Course
Location: Nottingham UK
Date: October 12, 2011

# Course Tutor

Adib Becker is Professor of Mechanical Engineering at the University of Nottingham. He has been teaching  Finite Element courses for 25 years, and  has created and taught many short courses on FEA, aimed at industry, since 1990. He has written two textbooks on both linear and non-linear FE analysis, and has published over 220 papers on computational mechanics.

Prof. Becker has been involved in many NAFEMS activities, and is the Chairman of the NAFEMS Education and Training Working Group. He is also the Chairman of the IMechE Structural Technology and Materials Committee.

# 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.