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Simulating Composite Materials and Structures

Invitation to the NAFEMS NORDIC Seminar:

Simulating Composite Materials and Structures

2 - 3 February 2010, Esbjerg, Denmark


Invitation & Agenda (pdf)



Composite structures or components are increasingly use as primary load carrying structures in nearly all fields of our society, taking advantage of the increased structural strength and stiffness to weight ratios, corrosion resistance, or more innovative design capability that composites bring. The nature of the composite used can range from cheap and freely available glass fiber reinforced systems to exotic and specifically tailored carbon, aramid or even metal/matrix systems, with many forms of manufacturing process available.

The design may include thick composite sections with large numbers of plies, there may be regions of significant ply drop off, sandwich construction and also bonded joints. In this case the strength prediction may become very difficult and can often only be solved with the incorporation of advanced experimental tests.

The successful application of FE methods for the design of components and structures which are made of modern materials strongly depends on the ability of the designer to choose the correct lay up, fiber orientation etc. The development of numerical methods and faster computers, better design criteria etc. makes it much more economically efficient than experimental testing although that experimental test in some extent is still needed.

It is anticipated that the increased use of such advanced materials combined with the necessity to calculate the structural integrity more precisely, will result in an increasing amount of advanced FE analysis to simulate failure phenomena using nonlinear analysis, progressive cracking, debonding, delamination, brittle and ductile fracture, etc.

The seminar is intended as a forum for experts in the area of prediction and modelling of complicated composite structures by using FEA. The event is accompanied by an exhibition of engineering software, computer systems, and related consultancy services. A comprehensive review of the current state-of-the-art and trends as well as of future challenges will thus be accessible to participants.

The foundation of a NAFEMS Composite Working Group will be discussed. All interested should not miss this opportunity to get information about this first hand.


This seminar is organized by NAFEMS NORDIC in cooperation with Aalborg University, Risø DTU and IDA, Danish Society of Engineers. 

The seminar will be accompanied by an exhibition of leading software and hardware suppliers and vendors. The exhibition will enable these to feature the latest developments and give all attendants the opportunities to discuss technical topics.

Technical Coordinators
Dr. Find M. Jensen (Risø DTU) – Chairman *
Prof. Lars Damkilde (AAU-Esbjerg) – Co-chairman
Dr. Anders Kristiansen (AAU-Esbjerg) – Co-chairman
Dr. Lars P. Mikkelsen (Risø DTU) – Co-chairman

* Member of the NAFEMS Nordic Steering Committee


The ppt-presentations (pdf) are available only for seminar delegates.
To get access, a password is required.



2nd February


Welcome and Introduction to NAFEMS


Digimat Material eXpert – From the Material Lab to the Efficient and Optimal Design of Reinforced Plastic Parts
S. Lepage, L.Adam, R. Assaker (e-Xstream engineering)


New Approaches for Efficient Pre and Post Processing of Composite Structures
R. Roos, M. Wintermantel (EVEN – Evolutionary Engineering AG);
M. Hörmann (CADFEM GmbH); M. Palanterä (Componeering Inc.)


Innovative Numerical Methods for Analysis and Optimisation of Composites
M. Bruyneel , J. P. Delsemme, Ph. Jetteur, A. Remouchamps (Samtech)


Benefits of Structural Optimization in the Aerospace Design Process: Recent Industrial Applications on Composites Structures
P.-O. Jansell (Altair Engineering)

Coffee break


Keynote presentation:
Benchmarking of Damage and Triaxial Design Methodologies for Fibre Reinforced Composites: The Second and Third World-Wide Failure Exercises (WWFE-2 and WWFE-3)
A.S. Kaddour (QinetiQ)


Use of the Model Correction Factor Method with FEM-based Reliability Analysis of Composites
N. Dimitrov (Siemens), C. Berggreen (DTU Mek); P. Friis-Hansen (Det Norske Veritas)

Sponsor presentation: Altair Engineering

Sponsor presentation: Simulia Scandinavia

Sponsor presentation: CGTech


Come together in the exhibition area


3rd February


Keynote presentation:
Simulating Composite Materials and Structures - Industry Applications
L. Rasmussen (Jupiter Group)


State of the Art FE-Simulations of Wind Turbines
P. Berring, R. Bitsche , F. M. Jensen  (Risø DTU); C. Jensen (ECC)


On Innovative Concepts of Future Wind Turbine Blade Design
F. M. Jensen , R. Bitsche, K. Branner, T. Sieradzan, A. Roczek, P. Berring (Risø DTU)


Structural Behaviour Due to Bend-Twist Couplings in Wind Turbine Blades
V. Fedorov , N. Dimitrov, C. Berggreen, S. Krenk (DTU Mek);
K. Branner, P. Berring (Risø DTU)

Coffee break


A Smeared-out Material Model Predicting Compressive Failure of Composites
L. P. Mikkelsen (Risø DTU); K. D. Sørensen (Aalborg University);
H. M. Jensen (Aarhus University)


Elastic Microscale Simulation of Fiber-reinforced Polymers
F. Wenzlau (Fraunhofer ITWM)

Application of a Cycle Jump Technique for Acceleration of Fatigue Crack Growth Simulation
R. Moslemian , C. Berggreen (DTU Mek); A. M. Karlsson (University of Delaware, USA)

Debonding Failure in Composites
B. N. Legarth , C. Didriksen, A. B. Richelsen (DTU Mek)

Lunch break


Keynote presentation
Simulation of Fiber Composites – An Assessment
K. Rohwer (German Aerospace Center)


Joining of Composites Research

B. F. Sørensen (Risø DTU)

NAFEMS Composites Working Group
R. Oswald (NAFEMS)

Farewell / End



Location & Hotel Accommodation
Hotel Britannia, Torvegade 24
DK-6700 Esbjerg, Denmark
Tel. +45 7513 0111, Fax +45 7545 2085 ,
The hotel is located in the city centre, 5 min. walk from the central bus and train station, 10 min. from the harbour. Seminar registrants can reserve a discounted room at the conference hotel when booking before Jan 20. Please quote reservation code “NAFEMS” or “IDA” (104 EUR / single room / night, including breakfast and taxes).

Travelling by Plane
- Billund airport - frequent and affordable direct flights from many Nordic cities as well from European cities.From Billund airport to Esbjerg: Public bus coach takes approx. 80 min. – 140 min. (depending on connections)
- Esbjerg (small airport 10 min. from city centre) with international connections to Aberdeen and Stavanger.
- Optional: travel to Copenhagen and then by train 3½ hours to Esbjerg –also flights from Copenhagen to Billund

Sponsorship and Exhibition Opportunities
Exhibition: Costs for infopoint (1 table + own poster or small display) incl. power supply:
390 Euro + VAT. All booth personnel need to register as regular attendees.
- Sponsoring: Please request further information

Registration Fees
NAFEMS members: free
(NAFEMS members can apply seminar credits towards free attendance at this event. This event will charge 3 seminar credits per delegate.)
NAFEMS member, but no more seminar credits available: 375 Euro + VAT
NAFEMS non-members: 520 Euro + VAT
IDA members: 375 Euro + VAT
Note: These fees include attendance at the seminar, one copy of the proceedings, lunch on one day, break refreshments, and beverages & snacks in the evening of the first day. Hotel accommodation is not included.

Please register with the registration form, online or via e-mail ( ).

* All costs + VAT if applicable.


Event Type: Seminar
Location: Esbjerg Denmark
Date: February 2, 2010

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