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From Conventional Stress Calculations to Finite Element Analysis

 

    -> Link to Registration Form

A three day introductory or refresher course

This course is accompanying the NAFEMS NORDIC Regional Summit, November 17 - 18, 2008.  

The use of Finite Element Analysis (FEA) techniques and an understanding of the underlying principles are becoming increasingly important. Many CAD tools offer integrated analysis capabilities. For an efficient application of Finite Element Analysis (FEA) techniques, however, the basics of engineering mechanics and mechanics of materials, as well as the fundamen­tals of the simulation method itself, are indispensable.

 The users of the powerful CAE features should dispose or refresh some essential common know-how, which is completely independent of the specific software code.

 There are also useful rules and recommendations related to the modelling issues, as well as to the evaluation and interpretation of results. Making use of simple hand calculations can significantly enhance the necessary competence and help to increase the significance and quality of the results obtained. Last but not least, the user should be aware not only of the possibilities but also of the limits and risks inherent to the modern analysis tools.

 This three day course offers excellent guidance on how to decide which approximations / simplifications are acceptable and appropriate for solving a wide range of practical problems. How to judge the reliability of the results is discussed as well, by means of a large number of selected examples.

The participants can bring their particular analysis problems and contribute to the workshop part. Their interaction is encouraged throughout the course, in order to ensure maximum benefit for them.

 The course is open to both members and non-members of NAFEMS.

Course Programme

1st day
• Introduction, basic items & principles
• Degrees of freedom / bearings / free body diagrams
• Equilibrium considerations
• Inner forces
• Typical cases of the states of stress and strain / principal stresses
• Tension & compression
• Shear stresses and deformations
• Pure bending / bending & shear / elastic curve
• Stresses and deformations due to torsion / warping of noncircular cross sections
• Stresses and deformations in panels, plates and shells
• Skew bending / combined stress situations
• Description of material behaviour and failure criteria / safety factor
• Fatigue and durability considerations
• Stress concentration factors
• Thermal stresses
• Stresses and deformations related to the thin-walled structures
• Stability issues: Elastic and inelastic buckling
• Fundamentals of elastodynamics / natural frequencies / dynamic loads

2nd day
• „Management" of the forces: How do structures manage the loads?
• Modelling as a primary act of engineering / possibilities and bounds of simplifications
• How to distinguish between linear and nonlinear problems
• The basic theory and principles of the FEA / derivation of simple force-stiffness-displacement relations
• Examples of truss and beam structures solved with stiffness matrix formulation
• Typical finite elements (1D, 2D, 3D) enabling discrete modelling of deformable structures
• How to model rotationally and otherwise symmetric structures / rotationally symmetric state of the stress
• FE-Modelling and evaluation issues of material behaviour and failure, incl. plasticity and composites

3rd day
• Dynamic FE calculations / modal analysis / example of a 2 DOF system
• Damping / harmonic analysis / integration in time domain / dynamic load factor
• Thermal and thermo-mechanical FE analyses
• Theory and practical examples of nonlinear FE simulations
• Tips & tricks: How to build efficient FE models and obtain reliable results
• How to make use of hand calculations
• Do’s and don’ts of FE meshing
• How to evaluate and present the results
• Issues of quality assurance for analyses & analysts
• Cases studies / proposals for continuative exercises / workshop / discussion

Lecturer

Dr Yasar Deger is a well-recognised expert in teaching and practical application of Engineering Mechanics in general and Finite Element Method (FEM) in particular. For nearly three decades he has been giving lectures in these areas at the HSR, University of Applied Sciences, Department of Mechanical Engineering, in Rapperswil, Switzerland. During the same time period he was continuously engaged also in the engineering practice and has accumulated a wide range of industrial experience. In parallel, for over 15 years now he offers short-term courses & workshops addressed to design engineers and analysts involved with structural mechanics or stress analyses. Several of these courses have been organised by NAFEMS – D-A-CH (Germany, Austria & Switzerland).

Location

Quality Hotel 11 is located in the heart of the Port of Gothenburg (Göteborgs Hamn) – in one of the city’s most rapidly expanding and exciting districts – Norra Älvstrand. The old shipyard building at the water’s edge today houses a modern hotel featuring innovative architecture and definitive Scandinavian design. A place for meetings, experiences, creativity and relaxation.

Hotel in the port
You can get to Quality Hotel 11 and the Eriksberg area on Gothenburg’s Norra Älvstrand easily by car, bus or the City Ferry "Älvsnabben". Once you are here, you’ll immediately sense the special atmosphere that is characteristic of the environment in this area – closeness to the water, pier promenades and the feeling of being right in the middle of a real port.

Hotel Accommodation

Quality Hotel 11
Maskingatan 11
417 64  GÖTEBORG
Phone+46 31 779 11 11
Fax +46 31 779 11 10
q.hotel11@choice.se
http://www.hotel11.se

NAFEMS NORDIC Regional Summit registrants can reserve a discounted room at the Hotel11. The group code is: NAFEMS.

Registration

You should register at latest one week before the course starts.
You can use the registration form  send an e-mail or letter to:
NAFEMS Deutschland, Österreich, Schweiz GmbH
Osterham 23
83233 Bernau am Chiemsee, Germany
Telefon +49 (0) 80 51 - 96 59 349
Fax +49 (0) 80 51 - 96 74 337
Mobile +49 (0) 176 217 984 01
roger.oswald@nafems.org

Organisation

Duration
9:00am - 5:00pm each day

Language
English

Notes
Included are comprehensive course notes as well as the NAFEMS book „A Finite Element Primer".

Number of delegates
20 per course as maximum.

Fees
non NAFEMS member 12.000 SEK / delegate *
NAFEMS member 8.000 SEK / delegate *
Included are course notes, lunch, coffee breaks and a certificate.

* All costs + VAT.

Inhouse courses
All courses can be booked as in-house courses.

Cancellation fees
Up to 3 weeks before: free of charge; up to 1 week before: 50 %; no show: 100 %. Cancellation must be in written form.
Cancellation by organizer
We reserve the right to cancel the course if there are not enough course delegates.

Seminar organization / contact
NAFEMS contact NORDIC: NAFEMS GmbH
Osterham 23, D-83233 Bernau am Chiemsee, Germany
phone +49 (0) 80 51 – 96 59 3 49
fax +49 (0) 80 51 – 96 74 3 37
e-mail: nordic@nafems.org

All right reserved by NAFEMS Deutschland, Österreich, Schweiz GmbH

Details

Event Type: Course
Location: Gothenburg Sweden
Date: November 17, 2008