Academic literature on the topic 'Impression 3D et 4D'
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Journal articles on the topic "Impression 3D et 4D"
Le Goffic, Caroline. "Impression 3D et responsabilité." Journal du Droit de la Santé et de l’Assurance - Maladie (JDSAM) N° 14, no. 2 (March 1, 2016): 17–19. http://dx.doi.org/10.3917/jdsam.162.0017.
Full textClaudon, Michel, Nicolas Grenier, and Ghislaine Deklunder. "Imagerie ultrasonore 3D et 4D." Journal de Radiologie 86, no. 10 (October 2005): 1231. http://dx.doi.org/10.1016/s0221-0363(05)75111-8.
Full textDiebold, B. "Perspectives en 3D et 4D : principes et applications." Journal de Radiologie 85, no. 9 (September 2004): 1237. http://dx.doi.org/10.1016/s0221-0363(04)76767-0.
Full textAndré, Jean-Claude. "Entre générosité, éthique, coronavirus et impression 3D." Environnement Risques Santé 19, no. 3 (June 2020): 168–70. http://dx.doi.org/10.1684/ers.2020.1425.
Full textVivès-Albertini, Aude. "Impression 3D, santé et droit des brevets." Journal du Droit de la Santé et de l’Assurance - Maladie (JDSAM) N° 14, no. 2 (March 1, 2016): 24–30. http://dx.doi.org/10.3917/jdsam.162.0024.
Full textFricain, Jean-Christophe, Hugo De Olivera, Raphaël Devillard, Jérome Kalisky, Murielle Remy, Virginie Kériquel, Damien Le Nihounen, et al. "Impression 3D en médecine régénératrice et ingénierie tissulaire." médecine/sciences 33, no. 1 (January 2017): 52–59. http://dx.doi.org/10.1051/medsci/20173301009.
Full textCorréas, J. M. "Aspects technologiques et applications actuelles de l’echographie 3D/4D." Journal de Radiologie 89, no. 10 (October 2008): 1506. http://dx.doi.org/10.1016/s0221-0363(08)76621-6.
Full textJob, L., L. Dejugnat, S. Cardini, G. Mac, A. Long, and C. Marcus. "ARM des arteres jambieres : comparaison des sequences 4D et 3D." Journal de Radiologie 89, no. 10 (October 2008): 1366. http://dx.doi.org/10.1016/s0221-0363(08)76121-3.
Full textArbeille, P. "Echographie et Doppler 3D-4D, sonde matricielle, analyse surfacique et volumetrique des donnees." Journal de Radiologie 86, no. 10 (October 2005): 1231. http://dx.doi.org/10.1016/s0221-0363(05)75112-x.
Full textRosset, A., L. Spadola, L. Pysher, and O. Ratib. "Osirix : visionneuse dicom gratuite et open-source avec fonctions 3D et 4D avancees." Journal de Radiologie 86, no. 10 (October 2005): 1348. http://dx.doi.org/10.1016/s0221-0363(05)75513-x.
Full textDissertations / Theses on the topic "Impression 3D et 4D"
Noirbent, Guillaume. "Nouveaux systèmes d'amorçage radicalaire : la catalyse photoredox comme nouvelle stratégie pour la synthèse de polymère." Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0359.
Full textIn recent years, photopolymerization has been the subject of intense research efforts due to the constant growth of industrial applications. It is a quick process that can be performed at room temperature, solvent-free conditions and enables to get a spatial and a temporal control of the polymerization process. In recent years, the use of irradiation conditions that constitutes an alternative to the UV photopolymerization processes at the origin of numerous safety concerns are actively researched. Therefore, the development of new photoinitiating systems which absorb strongly in the visible or near infrared region are actively researched by both the academic and industrial communities. Nevertheless, even if some results are promising, the reported systems are often characterized by moderate reactivities and hardly compete with current UV systems. In this context, we have synthesized a large library of photosensitive molecules capable of absorbing light in the visible or near infrared range and capable of initiating a polymerization reaction with a photoinitiating system based on photoredox catalysis. In this manuscript, we present both the synthesis and the polymerization abilities of different families of dyes. Their photochemical properties were also studied by UV-Visible spectrometry, luminescence, photolysis, temperature monitoring and electronic paramagnetic resonance experiments. Applications such as 3D printing and laser write experiments are also presented
Brandou, Vincent. "Stéréovision locale et reconstruction 3D/4D." Nice, 2008. http://www.theses.fr/2008NICE4093.
Full textThe aim of this study is to propose a complete 3-dimension reconstruction method of natural submarine objects improved by a new acquisition method for quantitative measures, which can be used in operational conditions. First, it was necessary to take into account the various problems connected with the deep sea environment ; the main constraint is that the system used to collect images must be manipulated at very important depths, up to 6000 meters by an underwater vehicle positioned on the sea floor. Thus, a method allowing the automatic acquisition of images was developed, adapted to any type of small-scale submarine object (approximately 1m 3). The image acquisition is performed with a stereovision system operated by a manipulator arm. The method that we propose enables us to know extrinsic camera parameters by following a specific trajectory defined by the geometry of a stereo rig. Indeed, the trajectory is generated by the displacement of one camera onto the position of the other one by visual servoing. With this method, we can register images at regular intervals directly linked to the geometry of the stereo rig. Then, the 3D model of the underwater object is calculated from the collected images and camera parameters. The final result is a dense 3D reconstruction with texture mapping that enables metric measures. Keywords: 3D metrology, computer vision, stereovision system, visual servoing, camera trajectory, 3D reconstruction
Cardis, Benoît. "Fabrication des pièces métalliques et céramiques par impression 3D /." Sion, 2007. http://doc.rero.ch/record/10785?ln=fr.
Full textChabaud, Guillaume. "3D and 4D printing of high performance continuous synthetic and natural fibre composites for structural and morphing applications." Thesis, Lorient, 2020. http://www.theses.fr/2020LORIS563.
Full text3D printing and especially Fused Filament Fabrication (FFF) technology for composite materials reinforced by continuous fibers is an emerging research field which aims to enhance the mechanical performance of 3D printing structures and to widen the field of application (aerospace, sailing…). Another trend, 3D printing allows to develop stimulable materials (sensor and/or actuators) and to consider parts with complex architecture that can be deployed under various stimulation (electricity temperature, pressure…). The present work is therefore part of this context and aims to develop new multi-functional materials elaborated by 4D printing. First, the scientific objective of this work is to better understand the relationship between the process, the induced microstructure, mechanical and the hygromechanical performances in order to target structural applications (aeronautic, sailing) for composite materials reinforced with synthetic fibers (carbon and glass) and natural fibers (flax). The second part of this work aimed to develop hygromorphic composites reinforced with continuous fibers (synthetic and natural) by 4D printing with a bioinspired bilayer architecture inspired by the pinecone scale. The conductive behavior of carbon fiber was used to create new electro-thermo-hygromorph actuators with controlled and accelerated actuation compared to conventional hygromorphs. Finally, the design freedom provided by 4D printing made it possible to control the local stiffness and actuation of composite actuators reinforced with continuous flax fiber
Montagnat, Johan. "Modèles déformables pour la segmentation et la modélisation d'images médicales 3D et 4D." Phd thesis, Université de Nice Sophia-Antipolis, 1999. http://tel.archives-ouvertes.fr/tel-00683368.
Full textMontagnat, Johan. "Modeles deformables pour la segmentation et la modelisation d'images medicales 3d et 4d." Nice, 1999. https://tel.archives-ouvertes.fr/tel-00683368.
Full textLara, Garcia Alejandra. "Optimisation de l'adhésion interfaciale dans l'impression 3D multi-polymère pour améliorer les propriétés mécaniques des structures spatialement amorties." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0340.
Full textSolutions for improving multi-polymer FFF interlayer adhesion between PLA and a TPC were studied. Two solutions were proposed: (i) the use of adhesion promoter additives and (ii) the synthesis of copolymers incorporating PLA as building blocks. In the first one, different biosourced additives were individually incorporated into the formulation of the TPC. Filament fabrication conditions were optimized to achieve filaments with no defects and a constant diameter. Evaluation of adhesion was done using a modified version of the T-peel test. Only 2-hydroxyethyl starch presented the highest adhesion enhancement with low variabilities. Findings demonstrate the strategic potential of using modified biosourced additives to boost interfacial adhesion between two incompatible polymers. Furthermore, this formulation did not change the vibration-damping and filtering behavior of the TPC. Therefore, it was possible to print a prototype of protective equipment combining a PLA and the formulated TPC, such as a knee pad, using a multi-polymer FFF. The second solution refers to the synthesis through transesterification reactions of PLA and PBT new multiblock copolymers with a reactive extrusion process. Different experiments were done to optimize the transesterification's conditions. Although FTIR, 1H NMR, DSC and DMA results evidence the presence of the copolymer in small amounts, material had low printability presenting layer delamination. Therefore, the evaluation of adhesion was not achieved with this material
Lanterne, Célestin. "Réparation et optimisation de maillages 3D pour l'impression 3D." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0454.
Full text3D printers use 3D models in the form of meshes to define the geometry and the appearance of objects to be printed. A 3D mesh must have some topological properties so that the geometry it represents could be printable and the geometry itself must respect certain conditions to be printable. These properties and conditions may vary depending on the 3D printing technologies in use.Many 3D meshes used for printing were not initially designed for this purpose application. The main primary use of these meshes is visualization, which does not require the same topological properties and geometric conditions. The subject of this thesis is the repair of these meshes to make them printable.A repair chain including several steps was designed for this purpose. Non-manifold conditions are repaired by extracting related components (surfaces). The boundaries of surfaces are detected and classified according to the best repair to be applied on each. The boundaries of surfaces are repaired according to their classification either by a filling method or by an offset method. The weakness of the geometry is detected and controlled
Dennler, S. "Structure et magnétisme de systèmes mixtes 3d/4d et 3d/5d : une étude ab initio des alliages macroscopiques aux nanoparticules." Phd thesis, Université Paul Sabatier - Toulouse III, 2004. http://tel.archives-ouvertes.fr/tel-00266714.
Full textSossou, Comlan. "Une approche globale de la conception pour l'impression 4D." Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCA001/document.
Full textInvented in 1983, as a rapid prototyping process, additive manufacturing (AM) is nowadays considered as a manufacturing process almost in the same way as conventional processes. For example, parts obtained by AM are found in aircraft structures. This AM evolution is mainly due to the shape complexity allowed by the process. The driving forces behind this evolution include: the development of various techniques on the layer-wise manufacturing principle and the improvement both in quantity and quality of the range of materials that can be processed. Many other AM techniques and materials continue to emerge. In the wake of the AM (usually referred to as 3D printing) another mode of manufacturing did emerge: 4D printing (4DP). 4DP consists of exploring the smart materials (SM) – AM interaction. SMs are materials whose state changes according to a stimulus; this is the case, for example, with thermochromic materials whose color changes in response to heat or hydrogels which can shrink as a function of an aqueous medium’s pH or of light. The objects thus obtained have – in addition to an initial form (3D) – the capacity to shift state (according to the stimuli to which the SMs of which they are made are sensitive) hence the 4th dimension (time). 4DP is – rightly – the subject of intense research concerning the manufacturing aspect (exploration of new processes and materials, characterization, etc.). However, very little work is done to support the designers (who, in principle, are neither AM experts nor experts of SMs) to use it in their concepts. This new process-material interaction requires adapted models, methodologies and design tools. This PhD on design for 4D printing aims at filling this methodological gap. A design methodology for AM (DFAM) has been proposed. This methodology integrates the freedoms (shape, materials, etc.) and the constraints (support, resolution, etc.) peculiar to the AM and allows both the design of parts and assemblies. Particularly, freedom of form has been taken into account by allowing the generation of a minimalist geometry based on the functional flows (material, energy, and signal) of the part. In addition, the contributions of this PhD focused on designing with smart materials (DwSM). Because SMs play a functional rather than a structural role, concerns about these materials need to be addressed in advance of the design process (typically in conceptual design phase). In addition, unlike conventional materials (for which a few parameter values may suffice as information to the designer), SMs need to be described in more detail (stimulus, response, functions, etc.). For these reasons a design-oriented information system on SMs has been developed. This system makes it possible, among other things, to inform designers about the capabilities of SMs and also to determine SMs candidates for a concept. The system has been materialized by a web application. Finally, a modeling framework allowing quickly modeling and simulating an object made of SMs has been proposed. This framework is based on voxel modeling (volumetric pixel). In addition to the simulation of SMs behaviors, the proposed theoretical framework also allows the computation of a functional distribution of SMs and conventional material; distribution which, given a stimulus, makes it possible to deform an initial form towards a desired final form. A tool – based on Grasshopper, a plug-in of the CAD software Rhinoceros® – materializing this methodological framework has also been developed
Books on the topic "Impression 3D et 4D"
ANDRE. Fabrication Addtv L'Impress 3D/4D 2: De la Fabrication Additive a l'Impressioin 3D/4D 2 - Ameliorations des Tech Actuelles et Leurs Limit. ISTE Editions Ltd., 2018.
Find full textimpression 3D Me Rend Heureux Vous Pas Assez: Un Carnet de Notes Ligné Pour les Passionnés et Fan de L'impression 3D. Independently Published, 2019.
Find full textSingulier, Carnet. impression 3D Mon Sport Favori: Carnet de Notes Ligné - une Idée Cadeau Orignal Spécial Pour les Passionnées et Fans L'impression 3D. Independently Published, 2020.
Find full textPerrot, Arnaud. Impression 3D du Béton: État de L'art et Challenges de la Révolution de la Construction Digitale. ISTE Editions Ltd., 2019.
Find full textBook chapters on the topic "Impression 3D et 4D"
Serrano, Carole, Damien Talon, Gilles Aulagner, Daniel Hartmann, and Nicolas Martelli. "Impression 3D et développement de nouveaux dispositifs médicaux." In Pharmacie clinique et dispositifs médicaux, 85–90. Elsevier, 2023. http://dx.doi.org/10.1016/b978-2-294-77399-0.00013-2.
Full textLi, Guang, Deborah Citrin, Robert W. Miller, Kevin Camphausen, Boris Mueller, Borys Mychalczak, and Yulin Song. "3D and 4D Medical Image Registration Combined with Image Segmentation and Visualization." In Encyclopedia of Healthcare Information Systems, 1–9. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-889-5.ch001.
Full textNaghib, Seyed Morteza, Samin Hoseinpour, and Shadi Zarshad. "Additive Manufacturing in Developing Localized Controlled Drug Delivery Systems (LCDDSs)." In Localized Micro/Nanocarriers for Programmed and On-Demand Controlled Drug Release, 211–37. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815051636122010010.
Full textConference papers on the topic "Impression 3D et 4D"
Catros, S. "A quoi servent les Bio-Imprimantes 3D ?" In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601012.
Full textMatzgeller, Roland, Alexander Bleh, and Daniela Klaubert. "Development of a Comprehensive Model for Plasma Actuation in 3D-RANS-Simulations." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56379.
Full textLuo, Yu, Yuan Zhou, Xian Peng, Yichao Zhao, Longxin Li, Limin Li, Ahmadreza Younessi, and Yongsheng Zhou. "Comprehensive Stress Modeling Approach for High Topography-Complex Geological Structure of XGS Field." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-2048.
Full textLouis, L., P. Boyd, R. Hofmann, and N. Saxena. "Influence of Local Grain Size Distribution on Damage Development in X-Ray CT Images of Boise Sandstone Deformed by Confined Compression." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0690.
Full textPeinado, Hugo Sefrian, and Reymard Sávio Sampaio de Melo. "BIM para Gestão das Construções." In IV ENCONTRO NACIONAL SOBRE O ENSINO DE BIM. ANTAC, 2022. http://dx.doi.org/10.46421/enebim.v4i00.1894.
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