Academic literature on the topic 'Courant foucault'
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Journal articles on the topic "Courant foucault"
Guérin, Christophe, Gérard Tanneau, Gérard Meunier, and Ioannis Sakellaris. "Détermination en tridimensionnel des pertes par courant de Foucault dans la cuve d'un transformateur." Journal de Physique III 3, no. 3 (March 1993): 495–507. http://dx.doi.org/10.1051/jp3:1993144.
Full textCondoure, J. "Contrôle non destructif par courants de Foucault." Matériaux & Techniques 76, no. 9-10 (1988): 13–16. http://dx.doi.org/10.1051/mattech/198876090013.
Full textEngels, Kimberly. "Ethical Invention in Sartre and Foucault: Courage, Freedom, Transformation." Foucault Studies 1, no. 27 (December 30, 2019): 96–116. http://dx.doi.org/10.22439/fs.v27i27.5893.
Full textLegg, Stephen. "Subjects of truth: Resisting governmentality in Foucault’s 1980s." Environment and Planning D: Society and Space 37, no. 1 (September 25, 2018): 27–45. http://dx.doi.org/10.1177/0263775818801957.
Full textChaumon, Franck. "Michel Foucault, Le courage de la vérité." Essaim 23, no. 2 (2009): 151. http://dx.doi.org/10.3917/ess.023.0151.
Full textBeaulieu, Alain. "Foucault et le courage de la vérité." Symposium 8, no. 3 (2004): 689–91. http://dx.doi.org/10.5840/symposium20048349.
Full textBouillault, F., and A. Razek. "Courants de Foucault dans les pièces polaires d'une machine synchrone." Revue de Physique Appliquée 21, no. 2 (1986): 181–85. http://dx.doi.org/10.1051/rphysap:01986002102018100.
Full textHausen Mizoguchi, Danichi, and Alice De Marchi Pereira de Souza. "A urgência das inquietações: uma improrrogável militância / The urgency of the restlessness: a non-postponable militancy." Revista Polis e Psique 7, no. 1 (March 29, 2017): 25. http://dx.doi.org/10.22456/2238-152x.71846.
Full textLais, Dimitrios. "Foucault as an Ethical Philosopher: The Genealogical Discussion of Antiquity and the Present." Foucault Studies 1, no. 27 (December 30, 2019): 69–95. http://dx.doi.org/10.22439/fs.v27i27.5892.
Full textAknin, P., F. Monteil, and D. Placko. "Modélisation d'une structure multicapteur à courants de Foucault destinée à l'analyse de profil." Revue de Physique Appliquée 24, no. 2 (1989): 227–42. http://dx.doi.org/10.1051/rphysap:01989002402022700.
Full textDissertations / Theses on the topic "Courant foucault"
Issa, Mohammad. "Modélisation asymptotique et discrétisation des composants magnétiques dans les problèmes de courant de Foucault." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30177.
Full textModeling of integrated magnetic components in electrical engineering (such as high frequency transformers) leads to several issues related to frequency increase. This frequency increase induces eddy currents in conducting material which require very fine meshes and consequently, it leads to large systems of equations and prohibit computational cost, especially for 3D structures. The commercial scientific software only partially tackle these issues due notably to the presence of airgaps (modeling "infinite" medium by radiating conditions), the presence of thin layers (very heterogeneous meshes), and the inclusion of winding multi-layers. To deal with these difficulties, dedicated tools have been implemented. The primary issue that is the presence of airgaps is treated by solving a coupled "Finite Element Method (FEM)/ Boundary Element Method (BEM)" system in 3D. The BEM is adapted to general field problems with unbounded structures because no artificial boundaries are needed, this is not the case for the FEM. Moreover, the BEM requires only a surface discretisation which reduces the number of unknowns and then the computational time. The secondary issue is to deal with thin conductive layers used in a wide range of applications for shielding purpose. Modeling such conductive regions require very fine volume discretisation due to the rapid decay of fields through the surface for high frequencies. To avoid this difficulty, we derive an equivalent model for 3D Eddy Current problem with a conductive thin layer of slight thickness, where the conductive sheet is replaced by its mid-surface, and its shielding behaviour is satisfied by an equivalent transmission condition which connects the electric and magnetic fields around the surface. In addition, an efficient discretisation using the BEM is provided to solve numerically the problem with the transmission condition. The last issue is to tackle the foil winding problems. We proceed by considering the simple case of a problem of laminar stacks. We provide an effective modeling of the laminar stacks in 1D and 2D by deriving the classical homogenisation in the domain of the laminar stacks. Then, we study the influence of the interface (with air) on the vector potential to treat the problem in the whole domain. We also consider the case where the skin depth is kept less than or equal to the thickness of the metal sheet
Jiang, Zixian. "Contrôle non destructif via des sondes courants de Foucault : nouvelles approches." Phd thesis, Ecole Polytechnique X, 2014. http://pastel.archives-ouvertes.fr/pastel-00943613.
Full textJacob, Dominique R. "Principe de la mesure simultanée de distance et d'épaisseur de dépôts métalliques par capteur à courants de Foucault : conception et réalisation d'un dispositif." Paris 11, 1988. http://www.theses.fr/1988PA112148.
Full textThis thesis presents the design of a system, using an eddy current sensor, for measuring the thickness of metallic deposits on metallic sheets. The sensor, allows the thickness measurement without an accurate position of sensor and the sheet. A model which take account of the distribution of the flux in the space and of the physical properties (resistivity, permeability) of the materials has been developed. This model has been experimentally validated. It allows to take account of the temperature and to calculate the dimensions of the sensor. An application concerning the thickness measurement of zinc deposit on a steel sheet is exposed. The informations of the sensor are digitalised and processed by a microcomputer for calculating simultaneously the distance, between the sensor and the covered sheet, and the thickness of the deposit
Slama, Afef. "Modélisation des sources de courant en mouvement et des efforts électrodynamiques dans les appareils de coupure." Phd thesis, Grenoble INPG, 2001. http://tel.archives-ouvertes.fr/tel-00549792.
Full textAttaoui, Pascale. "Analyse d'images obtenues par balayage de surface avec un capteur ponctuel courants de Foucault." Gif-sur-Yvette : Commissariat à l'énergie atomique, 1994. http://catalogue.bnf.fr/ark:/12148/cb35748414t.
Full textLECLER, ALAIN. "Etude et realisation d'un capteur intelligent de proximite a courants de foucault utilisant des spirales gravees sur circuit imprime : application industrielle." Reims, 1987. http://www.theses.fr/1987REIMS012.
Full textDahia, Abla. "Contribution à la caractérisation non destructive de matériaux magnétiques sous contraintes par méthode électromagnétique." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112391.
Full textThe non-destructive evaluation (NDE) technique by eddy current (EC) is a conceivable solution to characterize the stress state in magnetic materials. The approach relies on the high sensitivity of eddy current (EC) signals to the magnetic permeability, itself highly dependent on stress. The EC technique is potentially attractive compared to other NDE methods such as X-ray diffraction, due to its simple practical implementation, easiness of automation and low cost. In order to allow eventually the inverse identification of stress states in magnetic materials, a predictive model for the evolution of an EC probe signal as a function of stress has been developed during this thesis. The modelling is done in two steps. First, the effect of stress on the magnetic permeability is described using a simplified version of a multiscale model for magneto-elastic behaviour. This approach allows describing the effect of multiaxial mechanical loadings on the magnetic behaviour of materials including induced anisotropy effects. Then, the EC probe signal is determined as a function of the anisotropic permeability of the stressed material using the finite element method (FEM). In order to validate the modelling approach, an experimental setup for magnetic characterisation and EC measurements was developed. The measurements show a good qualitative accordance with the modelling results, in absence of any calibration. A calibration procedure based on a measurement under stress is necessary to obtain a quantitative agreement. The proposed model can be used to design efficient EC probes and to define optimal operating conditions to evaluate stress in magnetic materials. The development of inversion procedures, however, remains a challenge
HARDY, LAURENT. "Conception et realisation d'une matrice de capteurs plats a courant de foucault en vue de la detection et de la reconnaissance de pieces metalliques de formes simples." Reims, 1989. http://www.theses.fr/1989REIMS009.
Full textJiang, Zixian. "Some inversion methods applied to non-destructive testings of steam generator via eddy current probe." Palaiseau, Ecole polytechnique, 2014. http://pastel.archives-ouvertes.fr/docs/00/94/36/13/PDF/Thesis.pdf.
Full textThe main objective of this thesis is to propose and test some shape optimization techniques to identify and reconstruct deposits at the shell side of conductive tubes in steam generators using signals from eddy current coils. This problem is motivated by non-destructive testing applications in the nuclear power industry where the deposit clogging the cooling circuit may affect power productivity and structural safety. We consider in a first part an axisymmetric case for which we set the model by establishing a 2-D differential equation describing the eddy current phenomenon, which enable us to simulate the impedance measurements as the observed signals to be used in the inversion. To speed up numerical simulations, we discuss the behavior of the solution of the eddy current problem and build artificial boundary conditions, in particular by explicitly constructing DtN operators, to truncate the domain of the problem. In the deposit reconstruction, we adapt two different methods according to two distinct kinds of deposits. The first kind of deposit has relatively low conductivity (about 1e4 S/m). We apply the shape optimization method which consists in expliciting the signal derivative due to a shape perturbation of the deposit domain and to build the gradient by using the adjoint state with respect to the derivative and the cost functional. While for the second kind of deposit with high conductivity (5. 8e7 S/m) but in the form of thin layer (in micrometers), the previous method encounter a high numerical cost due to the tiny size of the mesh used to model the layer. To overcome this difficulty, we build an adapted asymptotic model by appropriately selecting the the family of effective transmissions conditions on the interface between the deposit and the tube. The name of the asymptotic model is due to the fact that the effective transmissions conditions are derived from the asymptotic expansion of the solution with respect to a small parameter "delta" characterizing the thickness of the thin layer and the conductivity behavior. Then the inverse problem consists in reconstructing the parameters representing the layer thickness of the deposit. For both of the two approaches, we validate numerically the direct and inverse problems. In a second part we complement this work by extending the above methods to the 3-D case for a non-axisymmetric configuration. This is motivated by either non axisymmetric deposits or the existence of non axisymmetric components like support plates of steam generator tubes
Lim, Tekoing. "Formulation intégrale surfacique des équations de Maxwell pour la simulation de contrôles non destructifs par courant de Foucault. Etude préliminaire à la mise en œuvre de la méthode multipôle rapide." Phd thesis, Ecole Polytechnique X, 2011. http://pastel.archives-ouvertes.fr/pastel-00594405.
Full textBooks on the topic "Courant foucault"
Foucault, Michel. The courage of the truth (the government of self and others II): Lectures at the Collège de France, 1983-1984. Edited by Foucault Michel 1926-1984. Houndmills, Basingstoke, Hampshire, UK: Palgrave Macmillan, 2011.
Find full textBrown, Wendy. Power After Foucault. Edited by John S. Dryzek, Bonnie Honig, and Anne Phillips. Oxford University Press, 2009. http://dx.doi.org/10.1093/oxfordhb/9780199548439.003.0003.
Full textFaris, Jeralyn. Serving Time by Coming Home. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252037702.003.0006.
Full textBook chapters on the topic "Courant foucault"
Hershinow, David. "Cynicism and the Courage of Truth." In Shakespeare and the Truth-Teller, 35–72. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474439572.003.0002.
Full textJoubert, Pierre-Yves, Zhou Xi, Yohan Le Diraison, and Eric Vourc’h. "Dispositif instrumental d’imagerie à courants de Foucault pulsés." In Instrumentation et Interdisciplinarité, 87–92. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6-011.
Full textJoubert, Pierre-Yves, Zhou Xi, Yohan Le Diraison, and Eric Vourc’h. "Dispositif instrumental d’imagerie à courants de Foucault pulsés." In Instrumentation et Interdisciplinarité, 87–92. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6.c011.
Full textChignola, Sandro, and Valeria Venditti. "The courage of truth." In Foucault’s Politics of Philosophy, 108–26. Routledge, 2018. http://dx.doi.org/10.4324/9781315182094-6.
Full text"The Courage of Truth: Philosophical Life in the Face of Death." In Foucault’s Seminars on Antiquity. Bloomsbury Academic, 2022. http://dx.doi.org/10.5040/9781474278690.ch-005.
Full textJoyce, Justin A. "American gun rights: from national defense to self-defense." In Gunslinging justice, 69–88. Manchester University Press, 2018. http://dx.doi.org/10.7228/manchester/9781526126160.003.0004.
Full text"The teaching of the courage of living in Socrates and the CynicsMichel Foucault." In Childhood, Education and Philosophy, 12–20. Routledge, 2014. http://dx.doi.org/10.4324/9781315765778-2.
Full textBouchard, Guy. "La «paideia» homosexuelle." In The Paideia Archive: Twentieth World Congress of Philosophy, 14–19. Philosophy Documentation Center, 1998. http://dx.doi.org/10.5840/wcp20-paideia199820362.
Full textOhi, Kevin. "Revision, Origin, and the Courage of Truth." In Inceptions, 23–49. Fordham University Press, 2021. http://dx.doi.org/10.5422/fordham/9780823294626.003.0002.
Full textWills, David. "Lam Time." In Killing Times, 185–216. Fordham University Press, 2019. http://dx.doi.org/10.5422/fordham/9780823283521.003.0007.
Full textConference papers on the topic "Courant foucault"
Bausson, Sébastien, and Julien Cadith. "Evaluation de techniques de screening par Courants de Foucault Pulsés et Ultrasons par sonde rouleau multiéléments." In Contrôles et essais non destructifs : nouveaux besoins et innovations. Les Ulis, France: EDP Sciences, 2018. http://dx.doi.org/10.1051/jtsfen/2018con03.
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