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Integrated Design of Additive Manufacturing Based on Design for Manufacturing and Skin-skeleton Models

Abstract : Nowadays, Additive Manufacturing (AM) evolves the manufacturing world by its capabilities for production of the complex shapes layer by layer. Design For Manufacturing (DFM) approach helps to overcome the AM constraints and mastering product features in product lifecycle. Several studies are devoted to integrated design approach for AM, but there is no approach that considers all product life cycle steps in optimization level for product and manufacturing process. So, this thesis provides a DFM approach for AM to investigate simultaneously different attributes, constraints, and criteria of design and manufacturing in product definition. Skin-Skeleton approach models the first definition of product and AM. It contains functional analysis, usage model, and manufacturing model. In this work, a novel interface processing engine as an interface between product and manufacturing model is developed through analysis of AM technologies and their parameters and criteria. This engine relies on a bi-objective optimization problem to minimize production time and material mass under limitation of mechanical properties and roughness of the product to obtain the optimal manufacturing parameters. This methodology permits to define the product model. The approach is implemented into Fused Deposition Modeling to verify the methodology through two case studies
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Elnaz Asadollahiyazdi. Integrated Design of Additive Manufacturing Based on Design for Manufacturing and Skin-skeleton Models. Materials and structures in mechanics [physics.class-ph]. Université de Technologie de Troyes, 2018. English. ⟨NNT : 2018TROY0026⟩. ⟨tel-02952953⟩

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