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Sensitivity thermal analysis in the laser-assisted tape placement process

Type
Articles dans des revues avec comité de lecture
Auteur
PEREZ, Marta
301486 Telefonica Group
310073 Hospital Universitario Ramón y Cajal [Madrid]
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
111023 École Centrale de Nantes [ECN]
BARASINSKI, Anaïs
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
COURTEMANCHE, Benoît
230660 CEntre Technique des Industries Mécaniques [CETIM]
GHNATIOS, Chady
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
533922 Notre Dame University-Louaize [Lebanon] [NDU]
CHINESTA, Francisco
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/15417
DOI
10.3934/matersci.2018.6.1053
Date
2018
Journal
AIMS Materials Science

Résumé

Nowadays, the production of large pieces made of thermoplastic composites is an industrial challenging issue as there are yet several difficulties associated to their processing. The laserassisted tape placement (LATP) process is an automated manufacturing technique to produce long-fiber reinforced thermoplastic matrix composites. In this process, a tape is placed and progressively welded on the substrate. The main aim of the present work is to solve an almost state of the art thermal model by using an efficient numerical technique, the so-called Proper Generalized Decomposition (PGD) that considers parameters (geometrical and material) as model extra-coordinates. Within the PGD rationale the parametric temperature field is expressed in a separated form, as a finite sum of functional products, where each term depends on a single coordinate (space, time or each one of the parameters considered as extra-coordinates). Such a separated representation allows the explicit expression of the sensitivity fields, from the temperature derivative with respect to each parameter. These sensitivity fields represent a very valuable methodology to analyze and establish the influence of the critical input parameters on the thermal response, and therefore, for performing process optimization and control, as well as for evaluating the effect of parameters variability on the thermal response.

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  • On the Proper Generalized Decomposition applied to microwave processes involving multilayered components 
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    Microwave (MW) technology relies on volumetric heating, where thermal energy is induced from an electromagnetic field. Nowadays, the main drawback of this technology is that the complex physics involved in the conversion ...
  • On the effective conductivity and the apparent viscosity of a thin rough polymer interface using PGD‐based separated representations 
    AMMAR, Amine; GHNATIOS, Chady; DELPLACE, Frank; BARASINSKI, Anais; DUVAL, Jean‐Louis; CUETO, Elías; CHINESTA, Francisco (Wiley, 2020)
    Composite manufacturing processes usually proceed from preimpregnated preforms that are consolidated by simultaneously applying heat and pressure, so as to ensure a perfect contact compulsory for making molecular diffusion ...
  • Advanced modeling and simulation of sheet moulding compound (SMC) processes 
    PEREZ, Marta; PRONO, David; GHNATIOS, Chady; ABISSET-CHAVANNE, Emmanuelle; DUVAL, Jean Louis; CHINESTA, Francisco (Springer Science and Business Media LLC, 2019)
    In SMC processes, a charge of a composite material, which typically consists of a matrix composed of an unsaturated polyester or vinylester, reinforced with chopped glass fibres or carbon fi bre bundles and fillers, is ...
  • On the multi‑scale description of electrical conducting suspensions involving perfectly dispersed rods 
    PEREZ, Marta; ABISSET-CHAVANNE, Emmanuelle; BARASINSKI, Anais; CHINESTA, Francisco; AMMAR, Amine; KEUNINGS, Roland (Springer, 2015)
    Nanocomposites allow for a significant enhancement of functional properties, in particular electrical conduction. In order to optimize materials and parts, predictive models are required to evaluate particle distribution ...

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