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PostDoc
X-ray tomography reconstruction based on analytical methods and Deep-Learning
CEA-LIST develops the CIVA software platform, a reference for the simulation of non-destructive testing processes. In particular, it proposes tools for X-ray and tomographic inspection, which allow, for a given tomographic testing, to simulate all the radiographic projections (or sinogram) taking into account various associated physical phenomena, as well as the corresponding tomographic reconstruction. The...
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phD
3D ultrasound imaging using orthogonal row and column addressing of the matrix array for ultrasonic NDT
This thesis is part of the activities of the Digital Instrumentation Department (DIN) in Non-Destructive Testing (NDT), and aims to design a new, fast and advanced 3D ultrasound imaging method using matrix arrays. The aim will be to produce three-dimensional ultrasound images of the internal volume of a structure that may contain defects (e.g. cracks),...
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phD
Digital reconstruction of an industrial tank for the improvement of real-time monitoring instrumentation
In the context of industrial digitalization and real-time monitoring, accessing 3D fields (velocity, viscosity, turbulence, concentration, etc.) in real time can be crucial, as local sensor networks are sometimes insufficient to provide a comprehensive view of the systemapos;s dynamics. This PhD project aims to investigate a methodology for the real-time reconstruction of fields within an...
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PostDoc
Design and Implementation of a Neural Network for Thermo-Mechanical Simulation in Additive Manufacturing
The WAAM (Wire Arc Additive Manufacturing) process is a metal additive manufacturing method that allows for the production of large parts with a high deposition rate. However, this process results in highly stressed and deformed parts, making it complex to predict their geometric and mechanical characteristics. Thermomechanical modeling is crucial for predicting these deformations, but...
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PostDoc
High-performance computing using CMOS technology at cryogenic temperature
Advances in materials, transistor architectures, and lithography technologies have enabled exponential growth in the performance and energy efficiency of integrated circuits. New research directions, including operation at cryogenic temperatures, could lead to further progress. Cryogenic electronics, essential for manipulating qubits at very low temperatures, is rapidly developing. Processors operating at 4.2 K using 1.4 zJ...
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phD
High mobility mobile manipulator control in a dynamic context
The development of mobile manipulators capable of adapting to new conditions is a major step forward in the development of new means of production, whether for industrial or agricultural applications. Such technologies enable repetitive tasks to be carried out with precision and without the constraints of limited workspace. Nevertheless, the efficiency of such robots depends...
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Fixed term contract
Ingénieur-Chercheur en méthodes formelles pour le quantique - CDD - Paris-Saclay F/H
« Rejoignez le CEA pour donner du sens à votre activité, mener et soutenir des projets de R&D nationaux et internationaux, cultiver et faire vivre votre esprit de curiosité. » EN SYNTHESE, QU’EST-CE QUE NOUS VOUS PROPOSONS ? Le Commissariat à l'Énergie Atomique et aux Énergies Alternatives (CEA) recherche un(e) Ingénieur-Chercheur en méthodes formelles pour...
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Fixed term contract
Ingénieur en visualisation et environnement de développement - CDD - Paris-Saclay F/H
« Rejoignez le CEA pour donner du sens à votre activité, mener et soutenir des projets de R&D nationaux et internationaux, cultiver et faire vivre votre esprit de curiosité. » EN SYNTHESE, QU’EST-CE QUE NOUS VOUS PROPOSONS ? Le CEA recherche un.e Ingénieur.e en visualisation et environnement de développement pour la CEA/DRT (Direction de la Recherche Technologique). Ce poste de...
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phD
Development of new strategies for robotic computed tomography with variable magnification
The Department of Numerical Instrumentation joins expertise on different research fields through experimental and software platforms. In the Monitoring, Control and Diagnostic Unit, one of the important research areas is the industrial inspection with X-ray methods. Within this framework, a robotic inspection facility is being employed for innovative research and validation of new algorithms and...
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phD
Simulation of interaction phenomena between ultrasonic waves and metallic microstructures for imaging and characterization
The interaction of waves with matter strongly depends on the frequency of these waves and on the scale of their wavelengths relative to the properties of the medium under consideration. In the context of ultrasonic imaging applications that are of interest to us, the relevant length scales for metals are generally on the order of...
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