ITHEC 2018 Manuscript A5

Author: Hubert Borgmann
Pages: 4
Language: English
Publication date: 01/10/2018
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Manuscript A5 published in Conference Proceedings ITHEC 2018
Tailored Preform Composite Molding Process Oriented Optimization Methodology
D. Guillon, D. Espinassou
CETIM, Bouguenais, France
F.-X. Irisarri, ONERA, Châtillon, France

This article describes an optimization methodology that allows exploring wide design space at reduced calculation cost. It has been developed to help engineer that design tailored preform composite molded part. It uses the stiffness matching optimization methodology, a multi-step approach that give first the ideal fiber orientation and thickness in each area of the part, then the better lay-up to match the target. This method has been implemented inside Altair OptiStruct® as QSD® software to be usable by every design office. A clustering algorithm is included to identify homogeneous areas, helping to build a process-compatible tailored preform.
Process simulations are used to know fiber orientation after forming and to determine the flat preform shape corresponding to the final part, allowing better part cost estimation. This tool enables 'design to cost 'strategy, whatever the chosen lay-up process, and especially for the QSP® high volume preforming and stamping process.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (

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