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Practical Introduction to Non-Linear Finite Element Analysis (FEA)

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 Sessions:


    Course Tutor:
    Adib Becker

    Adib Becker -NAFEMS Tutor

    Read Adib Becker's bio on the NAFEMS tutors page.

    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.

    *Special discounts are being made available to members for this course. For more information on joining NAFEMS, please visit ourmembership section.