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Identification de paramètres dans la fabrication de matériaux composites

Abstract : This work is a contribution to the study of the behavior of some composite materials. We formalize the experimental observations from the mathematical point of view, and are conducting a “critical” study of the various models used to propose generic techniques for parameter identification in this context. The manuscript is divided into three chapters. Chapter 1 recalls the basic principles and mechanics context of this study. It will present the simplifying assumptions made by the following models and behaviour laws that we used and tested. Chapter 2 is devoted to modeling the inverse problem using the model of Grosberg and its theoretical and numerical study. Chapter 3 takes the approach of the previous chapter with the model of Dahl. Besides the numerical method used previously, we use an optimal control approach and present results obtained with more rigorous method and AMPL.
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Submitted on : Tuesday, October 25, 2011 - 10:37:37 AM
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Phuong Chi Nguyen. Identification de paramètres dans la fabrication de matériaux composites. Mathématiques générales [math.GM]. Université d'Orléans, 2011. Français. ⟨NNT : 2011ORLE2011⟩. ⟨tel-00635365⟩

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