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Applications of Customised Design Tools for Composite Structures

Objective



While dealing with design of composite structures, the
number of design variables is so high that the feeling of
engineers is rarely sufficient to optimise the design. In
this project, sizing, shape and topological optimisation
techniques are applied to several types of composites in
order to reach a highly efficient use of materials in
structures.

Starting from present design methodologies and dealing
with technological constraints coming from manufacturing
processes, the aim is to develop new design methodologies
allowing to enhance the quality of products and decrease
the time to market new products. In order to achieve the
goals, customised design systems will be build and tested
in the context of SME's and big companies. New parametric
modellers will be build and integrated within the
customised environment. A very important feature is that
the whole problem here will be treated at the geometrical
level (not at the finite element one). That must
guarantee, user friendliness of the proposed software
tools. New design and optimisation algorithms will also
be integrated. The general architecture will be the BOSS
QUATTRO system, developed thanks to an other B/E
project (OPTIM).
The result will then be a toolbox available for further
customisation in other applications.

Metallic composite panels are considered here as well as
classical multi layered composites. Different ways to
formulate the design problem are studied and compared:
sizing of plies, shape optimisation of laminates on the
shell, topology of laminates etc. The problems of
uncertainty and sensitivity to manufacturing defects will
also be studied using rigorous methods.

As part of the customisation task, the best formulations
will be selected with respect to targeted design
problems. Experimental testing will allow to check the
accuracy of the obtained solutions.

Funding Scheme

CSC - Cost-sharing contracts
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Coordinator

Marine Computation Services Ltd.
Address
Merchants Road
90 Galway
Ireland

Participants (7)

AACHEN UNIVERSITY OF TECHNOLOGY
Germany
Address
53 B,steinbachstraße 53 B
52056 Aachen
Association Léonard de Vinci
France
Address

92916 Paris La Défense
Domeco of Central Greece Industrial SA
Greece
Address
2,Leosthenous Street 2
35100 Emporiko Kentro Lamias
Mayr Faserverbundtechnik GmbH
Germany
Address
14,Oberaustraße 14
83026 Rosenheim
SAMTECH SA
Belgium
Address
25,Parc Scientifique Du Sart-tilman, Rue Des Chasseur
4031 Angleur
SIREHNA - SOCIÉTÉ D'INGÉNIÉRIE, DE RECHERCHES ET D'ETUDES EN HYDRODYNAMIQUE NAVALE SA
France
Address
Rue De La Noe 1, Immeuble Atlanpole
44321 Nantes
Université de Liège
Belgium
Address
21,Rue Ernest Solvay 21
4000 Liège