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Basic FE Analysis - NAFEMS e-Learning Training Course  

Basic FE Analysis 

June 19th - July 17th 2012

Four-Week Online Training Course
one 2-hour session per week

(includes 1-week break)

ideal for design engineers wanting to learn more about the basics of FEA

REGISTER BEFORE JUNE 1ST AT THE EARLYBIRD RATE OF $288 FOR MEMBERS AND $428 FOR NON-MEMBERS

THEREAFTER, PRICES REVERT TO $350 FOR MEMBERS AND $520 FOR NON-MEMBERS

SPECIAL OFFER

Combine the Basic FE Analysis e-learning Course with a place on a complementary "live" NAFEMS training course in UK, France or Germany, and receive a 10% discount on the total cost. E-mail e-learning@nafems.org for full details.

Note: Once you register for the course using the "order" button (look right), you will receive the course attendee packet mentioned in the description below. Please click here to view the FAQ section, or if you need to contact NAFEMS about this course.

Course Overview

This course serves as a 'bite-size' introduction to FEA, and is complemented by a more in-depth series of 'in-person' training courses in the UK, Germany and France. It is recommended that attendees at this e-learning course go on to suppliment the knowledge gained online by attending one of our industry-leading in-person training courses. Details can be found here in the training course section of the website.

FEA has become widely used and universally accepted in many industry sectors. FEA is a powerful technique, able to produce solutions to challenging structural analysis problems. The technology and computational efficiency of the method, together with the rapid increases in computer processing power means that today the scope and size of simulations far exceeds the capabilities of even a few years ago.

However for those engineers embarking on FEA, or companies adopting the technique to improve designs or achieve certification of new products, there is a steep learning curve to overcome.

There are a bewildering array of element types, solution types, meshing methods and pre-post processing options that have to be faced. This is before we get down to the engineering physics behind the problem, with associated classic traps and errors. What is needed is guidance via a thorough but practical assessment of the method and how to use it in the real world. 

NAFEMS, the only vendor neutral, not-for-profit organization with the aim of promoting the effective and reliable use of FEA, addresses this requirement by providing this e-learning course to supplement its traditional 3 day live class.

Students are shown the background to the FEA methodology, via simple real examples with a minimum of theory. The strength and weaknesses of the various FEA techniques are shown and discussed. Practical considerations of loadings, boundary conditions and structural details are shown by numerous examples.

The assessment, validation and interpretation of FEA results are vital for delivering safe, effective products. A process is shown which provides confidence in the results and aims to provide conservative, reliable and qualified results.

The course offers excellent guidance on how to assess and plan the task of carrying out a structural analysis using FEA. A clear understanding of the objectives of each analysis is vital and a road map for achieving this is presented. A review of the tradeoff between available resource and analysis methodology is given.

The course is completely code independent.

A full set of notes in PDF format will be available for download. Each session is presented live and is available for review via a streamable recording.

Personal passwords are provided to allow you to access e-learning backup material via our special bulletin board. Reading lists, homework submissions, supplementary data are all stored as files on the bulletin board.

Interaction via the bulletin board is strongly encouraged to obtain the most from the e-learning class. Typically the board runs for 4 weeks after the last live class sessions, giving you plenty of time to catch up with homework, review and ask questions.

Note: homework is purely voluntary!

Course Process and Details 

This course is completely code independent. No software is required.

Each topic in the class is treated as a building block and is presented using an overview of the physics and theory involved. The math is kept simple and the emphasis is on practical examples from real life to illustrate the topic. The mapping to Finite Element analysis techniques is shown with numerous workshops. The tutor will be running analysis interactively and involving the students in the process via Q and A periods during each session, follow up emails and a Course Bulletin Board

Full notes are provided for the students, together with personal passwords for e-learning backup material, bulletin board access, etc.

Students will join the audio portion of the meetings by utilizing the VoIP (i.e. headset connected to the computer via headphone and microphone jacks) or by calling into a standard toll line. If you are interested in additional pricing to call-in using a toll-free line, please send an email to: e-learning @ nafems.org .

Who Should Attend?

This course is aimed at engineers who wish to learn more about how to apply finite element techniques to static linear analysis in the most effective manner. Ideally a student should have some experience of FEA analysis, but this is not essential. The material that is presented is independent of any particular software package, making it ideally suited to current and potential users of all commercial finite element software systems. This course is a must for all engineers aiming to use FEA as a reliable predictive tool for structural analysis.

E-learning classes are ideal for companies with a group of engineers requiring training. E-learning classes can be provided to suit your needs and timescale. Contact us to discuss your requirements.

Course Program

Note: This is a four-week course. Each session represents one 2-hour session each week (Note: Sessions may last for 2.5-3 hours, including the Q&A sessions.) Recordings of each session are made available to course attendees in the event they are unable to participate in one or more of the live meetings, or if they wish to review the material following each session.

Session 1 - Tuesday June 19th
12:30 PDT, 15:30 EDT, 20:30 BST, 21:30 CEST

Background to FEA  
• Origins of FEA , leading to today’s process
• Emphasis on limitations of a displacement solution
• The route from CAD to Mesh to Solver to Results
• A simple case study – a bracket
• Simple Element stiffness matrices described
• Grid Points , Degrees Of Freedom (DOFs)

Overview of Element Types
• 1d elements
• 2d elements
• 3d elements
• Solid 3D elements: Hex versus Tets, the trade off
• Types of meshing and meshing issues
• I-beam example spanning element types

Session 2 - Tuesday June 26th

12:30 PDT, 15:30 EDT, 20:30 BST, 21:30 CEST

Making healthy models
• Mis-matched  DOF’S and other issues
• Element distortions – effect on accuracy
• Convergence checking
• Solver and Preprocessor checking
• Post processor checking and the dangers of smoothing
• Stress concentrations and stress singularities
• Bracket lightening hole example

Constraints
• Constraint methods
• Real world boundary conditions
• Poisons effect
• Case Study – bracket analysis
• Linear Contact methods – new technology to supplement constraints

Loading Types
• Distributed load, Point Loading
• Real world loading versus FEA
• Bearing load methods
• Nonlinear implications
• Centrifugal and Inertial Loading
• Unit load cases for better understanding
• Case Study – tanker body under cornering and accident loading

NO SESSION TUESDAY JULY 3RD

Session 3 - Tuesday July 10th

12:30 PDT, 15:30 EDT, 20:30 BST, 21:30 CEST

Multi Point Constraints (MPCs)
• What are they and why use them?
• Different terminologies and usage
• Soft and rigid load and constraint distribution

Making Life simpler
• Symmetry
• Anti-symmetry  and Axi-symmetry
• Sector Symmetry
• Plane Stress
• Plane strain
• Comparing 1d, 2d, 3d modeling case study of a pressure vessel

Understanding the objective of the analysis
• Clear view of scope of problem – how do we tackle it
• Resource and timescale factors
• FEA Analysis objectives –case study

Looking at CAD geometry
• Why not use 20 million elements
• Trade offs
• De-featuring
• The reality of CAD models
• Manual methods of meshing

Session 4 - Tuesday July 17th

12:30 PDT, 15:30 EDT, 20:30 BST, 21:30 CEST

Engineering Assessment
• Anticipate the load paths 
• Free body Diagrams
• Force Balance
• Review of Stress and Load fundamentals
• Revisiting the I-Beam, comparing theory with FEA

Checking the answers
• Ways of checking the results
• What type of stress do I use?
• Review of fundamentals
• Post Processing and More Checking
• Other Checks

Brief Overview of Other Topics
• Buckling
• Introduction to Non-linear Analysis
• Introduction to Dynamics and Normal Modes Analysis
• Introduction to Composite Analysis

 

Feedback from former e-Learning students:

"This course did everything right. From organization to presentation to interaction, this is a good model for what online training should be."

                                                                                 B.T.

"Tony's command over the subject and excellent teaching skills made this course worthwhile."

G.K.

"Super! Doesn't get better than this. Good idea to start having e-Learning courses."

R.P.

"I'm really happy not to pay a big fraction of my annual training budget to airlines and hotels. A BIG plus to e-learning."

V.G.

Special Note(s):

Telephony surcharges may apply for attendees who are located outside of North America, South America and Europe. These surcharges are related to individuals who join the audio portion of the web-meeting by calling in to the provided toll/toll-free teleconferencing lines. We have made a VoIP option available so anyone attending the class can join using a headset (headphones w/ microphone) connected to the computer. There is no associated surcharge to utilize the VoIP option, and is actually encouraged to ensure NAFEMS is able to keep the e-Learning course fees as low as possible. Please send an email to the e-Learning coordinator (e-learning @ nafems.org ) to determine if these surcharges may apply to your specific case. 

Just as with a live face-to-face training course, each registration only covers one person. If you plan to register a large group (10+), please send an email to e-learning @ nafems.org in advance for group discounts.


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Purchasing Details

Members Price
£206 | $350 | €260


Non-Members Price
£306 | $520 | €387
Order Ref: el-044
Event Type: Course
Location: e-Learning Online
Date: June 19, 2012

Course Instructor

Tony Abbey has created and taught a wide range of FEA based training classes over the past 15 years. He has developed a reputation for providing the student with an experience that is full of insight gained from his extensive experience, but which also challenges and motivates. Tony has been working with FEA for over 30 years, both in Industry and for FEA software providers in the UK and the US. 

His informal and interactive presentation style allows the key concepts to be taught in a manner which involves participants fully in the course material. Tony presents papers at NAFEMS and other conferences on a regular basis and has been involved with NAFEMS since its formation.


Why an e-Learning Class?

In the current climate travel and training budgets are tight. To help you still meet your training needs the following e-learning course has been developed to complement the live class. The e-learning course runs over a six week period with a single two hour session per week.

E-learning classes are ideal for companies with a group of engineers requiring training. E-learning classes can be provided to suit your needs and timescale. Contact us to discuss your requirements.