Academic literature on the topic 'Force motrice de propagation'
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Journal articles on the topic "Force motrice de propagation"
Jonas, Oliver, and Claus Duschl. "Force propagation and force generation in cells." Cytoskeleton 67, no. 9 (July 6, 2010): 555–63. http://dx.doi.org/10.1002/cm.20466.
Full textAllenbach, Y., J. Y. Hogrel, C. Bloch Queyrat, S. Herson, and O. Benveniste. "Déclin de la force motrice au cours de la myosite à Inclusions." La Revue de Médecine Interne 32 (June 2011): S76. http://dx.doi.org/10.1016/j.revmed.2011.03.081.
Full textCohen, Bruno. "Le principe d’incertitude comme force motrice dans la production d’un récit métropolitain." L'Observatoire N° 58, no. 2 (June 30, 2021): 99–101. http://dx.doi.org/10.3917/lobs.058.0099.
Full textZhornik, A. "Short-term force crack propagation." Известия Российской академии наук. Механика твердого тела, no. 6 (December 2018): 78–91. http://dx.doi.org/10.31857/s057232990002541-5.
Full textZhao, Zhen-jun, Yong-mei Liu, and Ke-xi Wang. "An analysis of rumor propagation based on propagation force." Physica A: Statistical Mechanics and its Applications 443 (February 2016): 263–71. http://dx.doi.org/10.1016/j.physa.2015.09.060.
Full textPillay, Navi. "Du discours à la réalité : le personnel des Nations Unies, force motrice du changement." Chronique ONU 52, no. 2 (December 16, 2015): 22–24. http://dx.doi.org/10.18356/2a134e86-fr.
Full textSánchez Hernández, María Ángeles, and Karine Marie Payet. "Mémoire de la mère : force motrice de l’écriture chez A. Ernaux et D. de Vigan." Cuadernos de Investigación Filológica 49 (June 30, 2021): 171–91. http://dx.doi.org/10.18172/cif.5073.
Full textMevellec, E., D. Lamotte, S. Cantalloube, G. Amarenco, and P. Thoumie. "Étude de la corrélation force motrice–vitesse de marche dans une population de sclérosés en plaques." Annales de Réadaptation et de Médecine Physique 46, no. 2 (March 2003): 85–90. http://dx.doi.org/10.1016/s0168-6054(03)00004-7.
Full textNicodemi, Mario, Antonio Coniglio, and Hans J. Herrmann. "Compaction and force propagation in granular packings." Physica A: Statistical Mechanics and its Applications 240, no. 3-4 (June 1997): 405–18. http://dx.doi.org/10.1016/s0378-4371(97)00162-3.
Full textCornelissen, M. C. M., and C. J. Hoogendoom. "Propagation velocity for a force cooled superconductor." Cryogenics 25, no. 4 (April 1985): 185–93. http://dx.doi.org/10.1016/0011-2275(85)90134-1.
Full textDissertations / Theses on the topic "Force motrice de propagation"
Cussac, Paul. "Influence d’imperfections surfaciques sur la tenue en fatigue de composants nucléaires." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2020. http://www.theses.fr/2020ESMA0001.
Full textGiven the stringent requirements of high levels of safety in nuclear components, stakeholders of the French nuclear industry must anticipate the presence of residual surface imperfections in these components. Such imperfections could be introduced during manufacturing or maintenance operations. The incidence of surface irregularities on the fatigue strength of metallic components has tobe considered. Meanwhile, nuclear components can be loaded under low-cycle fatigue and large-scale plasticity conditions. The first objective of this work isthento assess to what extent the fatigue life of typical nuclear materials may be affected by the presence of such surface irregularities. In parallel, thisstudy aims at describing, qualitativelyand quantitatively, the crack initiation and propagation from these imperfections. In order to meet these objectives, a uni-axial fatigue test campaign, conducted under fully-reversed total axial strain control, in the air at room temperature, has been carried out on the cylindrical specimens (Φ 9 mm). Surface imperfections were artificially introduced onto the specimens. The electric potential trackingmethod has been mainly usedto monitor the crack initiation, micro and macro propagation phases from surface imperfections. Additional experimental and numerical actions have been carried out to calibrate the potential monitoring. The results of thetest campaigndemonstrate a significant influence of the presence of imperfections on the9 mm specimensfatigue strength. The useof electrical methodhas allowedto determine crackinitiation and growth ratesfrom surface imperfections. The identification of a representative parameter of the propagation driving force,in the context of generalized plasticity associated with the tests carried out,has also allowed to analysedata relating to propagation kinetics in a predictive perspective
Wang, Zhu-Yun. "Analyse et mesure de pertes dans le rotor d'une machine synchrone à aimants permanents pour en optimiser la structure." Paris 11, 2005. http://www.theses.fr/2005PA112226.
Full textThis thesis is focused on the estimation and the reduction of losses in magnets by choosing the dimensions and the number of the magnets in the pole of synchronous machine. In order to determine the total eddy current losses in the magnets, we have applied a triple approach: by finites elements model, by analytic model and by measurements. The analytic model helps us to evaluate the losses in function of frequency. This model is named the “parallel model”. The finites element method is the most precise to calculate the eddy current losses. It permits to calculate the total energy stored in the machine and the rotor losses. We have identified the parameters of the parallel model using the finites element model. The losses are calculated and compared with measurements. This double evaluation by the finites elements model and by analytic model helps us to compare different structures of the rotor and to propose an optimized structure considering industrial constraints. Measurements on samples of magnet on a closed “U” have been realized to parameterize the finites element model and also the analytic model. A good agreement has been found between the comparisons between the calculated losses and the measured ones except for some certain first harmonics. An analysis of the discrepancies has been tried
Champagne, Danielle. "L'effet de l'hippothérapie sur le contrôle postural et la motricité d'enfants ayant une déficience motrice cérébrale légère." Thèse, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/9480.
Full textGagakuma, Edem C., Christopher Hogstrom, Christopher Nash, and Kieth Thompson. "Statistical Characterization of Multipath Propagation at Edwards Air Force Base (EAFB)." International Foundation for Telemetering, 2015. http://hdl.handle.net/10150/596423.
Full textThis paper describes the use of scattering functions to characterize time-varying multipath radio channels. Channel Impulse responses were measured at Edwards Air Force Base (EAFB) and a process is outlined for generating scattering functions from the impulse response data. From the scattering function we compute the corresponding Doppler power spectrum and multipath intensity profile. These functions completely characterize the signal delay and the time varying nature of the channel in question and are used by systems engineers to design reliable communications links. We observe from our results that flight paths that had ample reflectors exhibited significant multipath events.
Bouguetoch, Amandine. "Méthodes alternatives de renforcement musculaire : cas de l’imagerie motrice et de la stimulation électrique neuromusculaire." Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCK041.
Full textAn intense practice of resistance training, i.e. with heavy loads and a low number of repetitions, can cause injuries. To avoid them or limit detraining after an injury, alternative training methods have been developed. These methods have a double target since they also allow populations with different pathologies to practice a physical activity. This thesis focused particularly on the neuromuscular system and the mechanisms involved in strength development on plantar flexors muscles following motor imagery (MI), i.e. mental simulation of a movement without its concomitant motor output, and neuromuscular electrical stimulation (NMES), i.e. evoking contractions through electrical current applied on the muscles via surface electrodes.Study I argues in favor of the existence of a continuum of neural activation from rest to MI and from MI to contraction. At least, MI could represent a subliminal activation of neural structures which are shared with actual contraction. Study IIa showed similar gains in strength after NMES and MI trainings, both relying on neural adaptations which involved a larger part of the corticospinal system than usually expected, including both spinal and supraspinal plasticity. Surprisingly, alternating NMES and MI in the same training session did not imply strength gains, highlighting the fact that a combined training does not represent the sum of the gains of each modality. On the contrary, MI and NMES, depending on the parameters, could even imply competitive effects. Study IIb showed that MI seems to be an efficient training method to induce cross education, i.e. strength gains on the untrained limb after unilateral training of the other limb. On the contrary, NMES with our stimulation parameters did not induce cross education. These results highlight the fact that cross education does not necessarily require muscle activity on the trained leg. Study III did not reveal differences in modulation between sedentary participants, explosive athletes, and long-distance runners. A parallel study to this thesis put in evidence different neuromuscular profiles between explosive and sedentary subjects. The preliminary results of this study could suggest that physical practice, and more generally the neuromuscular profile of a subject, does not influence their responsiveness to a solicitation such as MI
Berret, Bastien. "Intégration de la force gravitaire dans la planification motrice et le contrôle des mouvements du bras et du corps." Dijon, 2008. http://www.theses.fr/2008DIJOS065.
Full textThis thesis is aimed at better understanding how the Central Nervous System (CNS) plans and controls movements and, in particular, how the gravity field is integrated within these processes. To perform rapid movements, the CNS must anticipate the effects of gravity on the moving limb. To tackle this, experiments in humans and modeling works have been undertaken. The experimental paradigms used here are pointing movements toward a target involving only the arm or the whole body. Concerning the arm movements, our work was grounded on a singular observation showing that upward and downward movements exhibit significant differences, suspected to be due to gravity. In order to test this hypothesis, a theory based upon the minimization of the absolute work of forces produced by muscles has been developed. It postulates that human movements are optimal and minimize in particular an energetic quantity. The main theoretical result is the demonstration of an equivalence between the minimization of a criterion including the absolute work of forces and the presence of simultaneous inactivation periods of agonistic and antagonistic muscles acting at a joint. Experiments have confirmed the existence of such periods of silence in muscular activities at the times predicted by the model. Therefore, we have concluded that the optimality criterion used by the brain to plan movements includes a term similar to the absolute work. A by-product of this result is that both gravitational and inertial forces are integrated into the same motor plan, within the minimization of energy expenditure. However, in most daily-life motor tasks, minimizing energy can not be the only goal of the action; preserving balance or be precise must also be taken into account. An experimental protocol has been elaborated in order to clarify how the CNS coordinates the control of posture and movement for whole-body pointing tasks. Our results confirm the idea of a modular organization of movements for such multi-goal tasks, i. E. Performed from the combination of pre-programmed sequences. In conclusion, this work suggests that the CNS integrates the biomechanical properties of the body and the environmental constraints within a single motor plan. Depending on the task, the CNS could optimize a compromise between energy consumption, safety, or movement precision. Moreover, these results reinforce the idea that an internal model of gravity exists and is strongly implied in human motricity
Lebon, Florent. "Efficience du travail mental sur le développement et le recouvrement des capacités motrices : force musculaire et imagerie motrice." Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00570124.
Full textEntakli, Jonathan. "Implication des projections spinales de l'aire motrice supplémentaire lors d'un contrôle précis de force : étude par TMS et EEG." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4121/document.
Full textHuman dexterity is a highly developed function based on the ability to independently and precisely control forces and movements of the fingers related to the constraints of the task. Hand muscles for finger movements are steered by the lateral corticospinal (CS) system. The main source of this CS system is the primary motor area (M1), which has direct CS projections on motoneurons innervating hand muscles. Recently, CS projections from non-primary motor area have also been found, especially from the supplementary motor area (SMA). However, the functionality of this CS tract in human manual force control is little studied. The aim of this thesis was to study the implication of the CS projections from SMA in precision manual force control, using electroencephalography (EEG) and transcranial magnetic stimulation (TMS).Altogether, the results obtained in our different studies show the important implication of SMA in dexterity. It appears that this area can act in parallel with M1, directly influencing excitability of spinal motoneurons. We conclude that M1 and SMA both have direct and efficient influence on force production during fine manual motor tasks
Armiger, Travis J. "Force Propagation in Mammalian Cell Systems and the Relevance of the Mechanically Integrated Cell." Research Showcase @ CMU, 2018. http://repository.cmu.edu/dissertations/1143.
Full textSingh, Pooja. "Quantum Coherent Control and Propagation in Lambda System." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849750/.
Full textBooks on the topic "Force motrice de propagation"
Québec (Province). L' énergie, force motrice du développement économique: Politique énergétique pour les ann'ees 1990. [Québec]: Ministère de l'énergie et des ressources (Énergie), 1988.
Find full textCentre de recherche publique Henri Tudor (Luxembourg). Force motrice: Histoires de la recherche publique à travers les 20 ans du CRP Henri Tudor; 1988 - 2007. [Luxembourg]: Centre de recherche publique Henri Tudor, 2008.
Find full textLewicki, David G. Effect of speed (centrifugal load) on gear crack propagation direction. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2001.
Find full textHaanel, B. F. Rapport sur l'utilisation de la tourbe pour la production de la force motrice: Résultats des expériences faites à la station d'essai des combustibles à Ottawa, 1910-1911. Ottawa: Impr. du gouvernement, 1996.
Find full textQuébec (Province). Ministère du tourisme, de la chasse et de la pêche., ed. Des saisons & des gens: Le partenariat, force motrice de l'industrie touristique : énoncé de politique et plan d'action en matière de tourisme. [Québec]: Gouvernement du Québec, Ministère du tourisme, 1992.
Find full textBook chapters on the topic "Force motrice de propagation"
Fumagalli, Matteo. "Propagation of Force Measurements Through MBSD." In Springer Theses, 27–45. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01122-6_3.
Full textHamidzadeh, Hamid R., Liming Dai, and Reza N. Jazar. "Surface Vibration of a Multilayered Elastic Medium Due to Harmonic Concentrated Force." In Wave Propagation in Solid and Porous Half-Space Media, 159–85. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9269-6_9.
Full textHamidzadeh, Hamid R., Liming Dai, and Reza N. Jazar. "Surface Response of an Elastic Half-Space Due to a Vertical Harmonic Point Force." In Wave Propagation in Solid and Porous Half-Space Media, 29–54. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9269-6_3.
Full textHamidzadeh, Hamid R., Liming Dai, and Reza N. Jazar. "Response of the Surface of an Elastic Half-Space Due to a Horizontal Harmonic Point Force." In Wave Propagation in Solid and Porous Half-Space Media, 55–84. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9269-6_4.
Full textHamidzadeh, Hamid R., Liming Dai, and Reza N. Jazar. "Identification of Vertical Exciting Force on the Surface of an Elastic Half-Space Using Sensor Fusion." In Wave Propagation in Solid and Porous Half-Space Media, 153–58. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9269-6_8.
Full textRasmussen, K. M., S. R. K. Nielsen, and P. H. Kirkegaard. "Stress Wave Propagation Due to A Moving Force: Comparison of Fem and Bem Solutions." In Strong Motion Instrumentation for Civil Engineering Structures, 551–60. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0696-5_39.
Full textWeber, J. "Velocity of Propagation of Gravitational Radiation, Mass of the Graviton, Range of the Gravitational Force, and the Cosmological Constant." In Gravitation and Modern Cosmology, 217–23. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-0620-5_20.
Full textDong, Yuzhi. "On the Evaluation of Propagation Force of New Media for Government Affairs Based on the Theory of Information Acceptance Technology." In Lecture Notes in Electrical Engineering, 140–46. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9244-4_19.
Full textAlvarez, Jorge Damian, Pablo Albán, Jonathan Lopez, and Yéssica Fernández. "Characterization and Simulation of a Propagation Model to Determine the Secondary Effects that Generate High Power and Frequency Electromagnetic Signs When Impact on Electronic Systems and Surface of Vehicles Family AMX13 of The Land Force." In Smart Innovation, Systems and Technologies, 331–41. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4875-8_29.
Full text"Chapitre 18 - Membranes et force proton-motrice." In Respiration et photosynthèse, 481–524. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1065-9-021.
Full textConference papers on the topic "Force motrice de propagation"
Ohlendorf, Ole, Markus Olbrich, and Erich Barke. "Global Routing for Force Directed Placement." In 2006 IEEE Workship on Signal Propagation on Interconnects. IEEE, 2006. http://dx.doi.org/10.1109/spi.2006.289178.
Full textPreisner, T., and W. Mathis. "About modeling aspects for the simulation of Magnetic Force Microscopes." In Propagation in Wireless Communications (ICEAA). IEEE, 2011. http://dx.doi.org/10.1109/iceaa.2011.6046400.
Full textVan Kuiken, Joey, Bea Yu, and Daniel Telford. "Managing Uncertainty in Reliability Analysis with Bayesian Inference and Uncertainty Propagation." In U.S. Air Force T&E Days 2010. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-1762.
Full textBouchard, Richard R., Patrick D. Wolf, Stephen J. Hsu, Douglas M. Dumont, and Gregg E. Trahey. "Acoustic-radiation-force-induced shear wave propagation in cardiac tissue." In SPIE Medical Imaging, edited by Stephen A. McAleavey and Jan D'hooge. SPIE, 2009. http://dx.doi.org/10.1117/12.813734.
Full textJung, Jae-Wook, Jung-Wuk Hong, Hyoung-Ki Lee, and Kiwan Choi. "Simulation of shear wave propagation induced by acoustic radiation force." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Jerome P. Lynch, Kon-Well Wang, and Hoon Sohn. SPIE, 2014. http://dx.doi.org/10.1117/12.2044995.
Full textChen, Wan, Jiahui Fu, Kuang Zhang, and Qun Wu. "Optical force in terahertz band generated by the semiconductor (InSb)." In 2014 3rd Asia-Pacific Conference on Antennas and Propagation. IEEE, 2014. http://dx.doi.org/10.1109/apcap.2014.6992700.
Full textKonno, Keisuke, Qiang Chen, Kunio Sawaya, Suguru Kameda, and Noriharu Suematsu. "Reflectarray design by induced electromotive force method." In 2013 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2013. http://dx.doi.org/10.1109/aps.2013.6711331.
Full textTerada, So, Yoshihiro Okuno, and Hiroyuki Yamasaki. "Effect of Energy Addition and Lorentz Force on Shock Wave Propagation." In 34th AIAA Plasmadynamics and Lasers Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-3627.
Full textSomrang, Nontapol, Noppom Chotikakamthorn, and Siraset Jirapatchandej. "Fast Haptic Simulation of Brittle Object using Bounded Force Propagation Model." In 2008 International Symposium on Communications and Information Technologies (ISCIT). IEEE, 2008. http://dx.doi.org/10.1109/iscit.2008.4700260.
Full textLeboutet, Quentin, Emmanuel Dean-Leon, and Gordon Cheng. "Tactile-based compliance with hierarchical force propagation for omnidirectional mobile manipulators." In 2016 IEEE-RAS 16th International Conference on Humanoid Robots (Humanoids). IEEE, 2016. http://dx.doi.org/10.1109/humanoids.2016.7803383.
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