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Coupled compression RTM and composite layup optimization

Abstract : A methodology for studying the implications of taking into account manufacturing at early design stages is presented. It is applied to a rectangular laminate made by RTM and compression (RTCM). The plate is designed for injection time, maximum mold pressure, stiffness and buckling. Semi-analytical, numerically inexpensive models of the processes and structure enable a thorough investigation of the couplings between process and structure by comparing four design formulations: in decoupled problems, either the process or the structure is optimized; then, the process is optimized with targetted low or high structural performance. A globalized Nelder-Mead optimization algorithm is used. The rigour of the method and the relative simplicity of the application case provide a clear description of how maximum mold pressures, injection times and final structures properties are traded-off.
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https://hal-emse.ccsd.cnrs.fr/emse-00686920
Contributor : Florent Breuil Connect in order to contact the contributor
Submitted on : Wednesday, April 11, 2012 - 4:22:13 PM
Last modification on : Thursday, July 7, 2022 - 10:00:59 AM

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Rodolphe Le Riche, Abdelghani Saouab, Joël Bréard. Coupled compression RTM and composite layup optimization. Composites Science and Technology, 2003, Volume 63 (Issue 15), pp.Pages 2277-2287. ⟨10.1016/S0266-3538(03)00195-7⟩. ⟨emse-00686920⟩

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