Academic literature on the topic 'Prototypage rapide – Conception assistée par ordinateur'
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Dissertations / Theses on the topic "Prototypage rapide – Conception assistée par ordinateur":
Gimenez, Frédéric. "Prototypage rapide d'intérêt médical : application aux reconstructions osseuses." Vandoeuvre-les-Nancy, INPL, 1999. http://www.theses.fr/1999INPL140N.
The first aim of our work was to develop the laser stereolithography (which allows to manufacture three dimensional abjects via a computer aided design) to realize anatomical complex parts from the computed data of medical imaging. These models will be used before operation. We built severa! models in polymer representative of bone structures (skull, hip, foot) and showed their respective interest for maxillofacial surgery and child surgery. These process applications were limited by the mechanical and biocompatible properties of polymer. That is the reason why, our second aim was to search for a new material which allows to manufacture abjects in ceramic with biocompatible properties. To realize this work we have optimized and automatized a new manufacture process of calcium phosphate ceramic abjects by modifying the usual material by using a suspension of hydroxyapatite powder in a monomer solution. To obtain a stable and homogeneous suspension, we have studied the rheological behaviour of the viscous medium and optimized the formulation. The study of the interaction of the laser bearn in contact with a fil led resin leads to an increase of the resolution of the process (width of the polymerized line about 200 ~rn). We have characterized the sinter abjects by X rays and IR analysis that showed that there was not organic matter after burning. We have showed the feasability to manufacture an abject in hydroxyapatite with a controlled and homogeneous porosity, with interconnected macroporous network which could allow to have a better bone regeneration
Bonnefoy, Hervé. "La gestion de la connaissance en prototypage rapide." Reims, 2001. http://www.theses.fr/2001REIMS018.
Kerbrat, Olivier. "Méthodologie de conception d'outillages modulaires hybrides basée sur l'évaluation quantitative de la compléxité de fabrication." Ecole Centrale de Nantes, 2009. http://www.theses.fr/2009ECDN0005.
Houtmann, Yves Ris Gabriel. "Décomposition avancée de modèles numériques CAO pour le procédé de Stratoconception développement des outils associés /." S. l. : S. n, 2007. http://www.scd.uhp-nancy.fr/docnum/SCD_T_2007_0100_HOUTMANN.pdf.
Gardan, Julien. "Application à l'usage d'un dérivé du bois en prototypage rapide pour l'émergence de produits "grand public"." Troyes, 2011. http://www.theses.fr/2011TROY0002.
Wood has several advantages that are transferable to various derivatives allowing the introduction of a sustainable material into the product lifecycle. The research study associates the specific needs of the “general public” in the rapid manufacture of wooden-made custom products. Part 1 defines the user and their perceptions of a product. We also guided the literature searches to eco-design in order to reach environmental issues. Part 2 presents design approaches for manufacturing. We have seen the various processes existing in rapid prototyping. In part 3, we proposed complementary dual design and manufacturing approaches. On the one hand that concerns the translation of users’ needs through an Internet tool CRE-AFAB, and on the other hand that proposes the manufacture of a wood reconstituted object by rapid prototyping. Part 4 presents the CREAFAB tool and the different steps to translation customers’ needs. In part 5, we present the applications of rapid prototyping in integrating a wood derivative. The research results then lead to new applications of additive manufacturing. The research study is proposed by ARDUINNOVA Company (France) and is associated with the ICD-LASMIS team of University of Technology of Troyes to frame scientific research presented in this thesis in the executive of a CIFRE scholarship
Serwatka, Agnieszka. "Contribution à la modélisation et à la simulation de vêtements sur mannequin adaptatif." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10029/document.
This work is part of a reorganization of the chain of c10thing for the textile c10thing sector. The main objective is to develop a new concept of creating c10thing to reduce time and costs of product development. Among other things, recent international campaigns surveying advise working with 3D virtual models respecting the morphologies of the human body to minimize the losses caused unsold clothes. Also, we propose an original concept of creating virtual clothing 3D on an adaptive mannequin morphotype. The first chapter sets the state of the art of the subject in different areas representative of the study, i.e.: anthropometry, biometrics and its means of measurement, design virtual clothing strongly oriented virtual trying-on. The second chapter is devoted ta modelling the human body by the realization and development of an adaptive mannequin morphotype. The third chapter provides a model of 3D virtual clothing associated with the model presented in previous chapter. A parametric ease model is integrated upstream from modelling to control the weil fitting and c10thing drape. An orientation of the application process ta a mass customized market led to highly précised ease parameters adjustment with the help of tools of image treatment. The last chapter represents our contribution to the extension of the dynamic model c10thes by setting up a model of non-linear fa bric who's the parameters value is calculated by genetic algorithms with a suitable methodology for the process to identify
Boyard, Nicolas. "Méthodologie de conception pour la réalisation de pièces en Fabrication Additive." Thesis, Paris, ENSAM, 2015. http://www.theses.fr/2015ENAM0015/document.
The aim of this thesis is to propose a design methodology to produce parts using additivemanufacturing (AM). Compared to standard manufacturing processes, as machining, forming, casting ormolding, AM processes have new features for manufacturing multi-material parts, nondetachableassemblies or complex shapes. The arrival of this new technology involves a paradigm shift that requiressupport to designers to develop quality products. Also the mechanical and finishing specifications of theparts obtained by AM depend on their orientation during the manufacturing. Furthermore, depending onthe process, the desired geometry and the orientation, it could be necessary to integrate a support in orderto ensure manufacturability of the part. We define a design methodology that respects the integrity of thedigital channel and whose purpose is to produce a sliced numerical model ready to be manufactured on anAM machine. For this, our methodology is based on data from functional specification and businessknowledge of the process indicated by the designer, to automatically propose a first solid geometry whichsatisfies all these requirements. After this first step, a step of topological optimization restricts the volumeof the part in order to reduce its weight, cost and manufacturing time. Finally, if necessary, optimizedsupport ensuring the manufacturability of the part is generated according to the same criteria. Thismethodology is accompanied by an industrial case study as well as of two experiments to observe thepossibility to finish parts made of ABS with acetone. The first experiment is an experimental design whichmeasures the obtained surface finish based on the temperature of the acetone, the operating time, theinclination of the surfaces of the piece and its thickness. The second experiment is a tensile stress testdesigned to observe a change in the mechanical resistance of the part. Regardless of the type of machineand the AM process, the methodology we propose is a first concrete step towards obtaining directlycompliant parts, whether for industrial or domestic use
Rouxel, Samuel. "Modélisation et caractérisation de plates-formes SoC hétérogènes : application à la radio logicielle." Lorient, 2006. http://www.theses.fr/2006LORIS077.
The work of this PhD has been carried out within the framework of the A3S project and relies on component aspects integrated within a SoC platform design methodology, which is based on the UML language. This methodology proposes a high-level design framework based on the A3S UML profile developed to provide real-time embedded system semantic especially in SDR domain. An MDA approach has been considered to deal with different abstraction levels when specifying systems. First part of the work focused on identifying the component required designing a SoC system, and their characteristics depending on the component abstraction levels. Several types of component (software and hardware) whose characteristics depend on their modelling (PIM or PSM models) have been considered. Second part of the work focused on the definition of UML metamodels, which are grouped to define the A3S UML profile that establish the semantic of identified components depending on their modelling and their relations. We have defined extensive verification rules and applied a model of computation to inform designers about errors that have been done and to ensure the feasibility of their systems. Finally an operating system model has been included to demonstrate the scalability and the extension mechanisms of the UML language and profile which improve the list of components that have been already integrated within our framework. An UMTS application has validated our approach by comparing the estimated results computed by the tool with measured results obtained on a heterogeneous real-time platform (with several DSP and FPGA)
Deng, Xiaoguang. "Développement d'un outil d'aide à la conception des matériaux fibreux multifonctionnels par les techniques de calcul avancé." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10111/document.
Face to the more and more intensive international concurrence, how to develop the new products with a minimum life cycle design is an interesting topic for many industries. A quick product development meeting the vary consumer's requirements is a critical key for the success of the company. ln this context, the tools of « rapid prototyping» have been developed and used for forecasting the performance of product and process. Using the computer modelling techniques, these tools permit to realise the representative prototypes close to the quality features predefined in the functional specifications with a limited trails and measures. This PHD thesis presents the research works in the filed of developing a design support tool for multifunctional materials. It permits to realise the prototypes adapted to the client's need with a limited time. This tool aims at measuring the relevance of design factors (raw material, process parameters and structural parameters), determining the relevant operation settings (acceptable range of design factors) related to the manufacturing process, and evaluating the global quality of prototypes using the multicriteria decision support methods
Debarre, Étienne. "Application du prototypage rapide à l'aide au diagnostic en chirurgie traumatologique et orthopédique." Thesis, Artois, 2011. http://www.theses.fr/2011ARTO0210/document.
The medical imaging technologies allow the visualization of diseases and injuries. However, even if dynamic perspective ones, these views remain a virtual 3D visualization because on a 2D screen. Real replicas have therefore a definite advantage: they can make palpable the notion of scale and volume and apparent hidden or ambiguous details and thus enhance or facilitate the diagnosis and the surgical solution.The rapid prototyping allows to achieve a replica from a CAD file issued from imaging data but this process is now only applied to specific cases. Our work shows that it can be applied with profit for complex but usual orthopaedic and trauma surgery cases. It can be so transfered from the research laboratory to the hospital.A methodology is defined to manufacture an ABS replica through rapid prototyping by fused deposition modelling from DICOM3 data and digital 3D reconstructions using dedicated software. The study of the capability, transferable to any process, quantifies the response and the accuracy of the machine and the optimal parameters. Three applications (from CT-scan) are presented through three clinical cases (osteotomy, arthroplasty and trochleoplasty) . The examples show that the method is appropriate (and economically reasonable) when it comes to complex geometry or assessment of bone volume. The objective representation of the volumes is the strength of the method and the interest is undeniable in many areas of orthopaedic surgery and traumatology
Books on the topic "Prototypage rapide – Conception assistée par ordinateur":
Vonk, Roland. Prototypage: L'utilisation efficace de la technologie CASE. Paris: Masson, 1992.
Hamblen, James O. Rapid prototyping of digital systems. New York: Springer Science+Business Media, 2006.
Hamblen, James O. Rapid prototyping of digital systems. Boston: Kluwer Academic, 2000.
Hamblen, James O. Rapid prototyping of digital systems: A tutorial approach. 2nd ed. Boston: Kluwer Academic Publishers, 2001.
Innovative Developments In Design And Manufacturing Advanced Research In Virtual And Rapid Prototyping. CRC Press, 2009.
Hamblen, James O., and Michael D. Furman. Rapid Prototyping of Digital Systems. 2nd ed. Springer, 2001.
Hamblen, James O., and Michael D. Furman. Rapid Prototyping of Digital Systems. Springer London, Limited, 2007.
Hamblen, James O., Tyson S. Hall, and Michael D. Furman. Rapid Prototyping of Digital Systems: SOPC Edition. Springer, 2007.
Hamblen, James O., and Michael D. Furman. Rapid Prototyping of Digital Systems: A Tutorial Approach. Kluwer Academic Publishers, 2002.
Hamblen, James O., Tyson S. Hall, and Michael D. Furman. Rapid Prototyping of Digital Systems: Quartus® II Edition. Springer, 2005.