Academic literature on the topic 'Nage de poisson'
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Journal articles on the topic "Nage de poisson":
Nagel, Werner, and Viola Weiss. "MEAN VALUES FOR HOMOGENEOUS STIT TESSELLATIONS IN 3D." Image Analysis & Stereology 27, no. 1 (May 3, 2011): 29. http://dx.doi.org/10.5566/ias.v27.p29-37.
Fonseca, F. "A solution of the two-dimensional unbalanced Poisson-Boltzmann equation." Nonlinear Analysis and Differential Equations 4 (2016): 393–404. http://dx.doi.org/10.12988/nade.2016.6638.
Albukhuttar, Athraa Neamah. "Asymptotic growth bounds for the Vlasov-Poisson system in convex bounded domains." Nonlinear Analysis and Differential Equations 4 (2016): 51–63. http://dx.doi.org/10.12988/nade.2016.5933.
DETRUIT, C., S. TOMANOVA, D. REBIERE, O. MERCIER, G. OLIVIER, and P. SAGNES. "Évaluation par RFID de l’efficacité pour la truite d’un dispositif de franchissement piscicole équipant un ouvrage hydraulique routier." Techniques Sciences Méthodes 4 (April 20, 2023): 33–39. http://dx.doi.org/10.36904/202304033.
Raimi, C. O., W. A. Oyelade, and A. O. Alao. "Histology of juvenile African giant catfish (Clarias gariepinus) fed Morinda lucida (Oruwo leaf)." Nigerian Journal of Animal Production 48, no. 6 (January 18, 2022): 65–76. http://dx.doi.org/10.51791/njap.v48i6.3326.
Vassilieva-Codognet, Olga. "“Plus blans que flours de lis”." Reinardus / Yearbook of the International Reynard Society 27 (December 31, 2015): 220–48. http://dx.doi.org/10.1075/rein.27.12vas.
Fama, M. E. Duncan. "The effect of Poisson's ratio and the far-field boundary conditions on the accuracy of finite element calculations." International Journal for Numerical and Analytical Methods in Geomechanics 13, no. 3 (May 1989): 331–37. http://dx.doi.org/10.1002/nag.1610130309.
Ajagbe, S. O., O. O. Oyewole, T. A. Adebisi-Fagbohungbe, M. T. Ojubolamo, O. O. Ajayi, and C. F. Agbor. "Impacts of loss of vegetation cover on biodiversity of Ikere-gorge, Oyo State Nigeria." Nigerian Journal of Animal Production 48, no. 4 (March 8, 2021): 14–23. http://dx.doi.org/10.51791/njap.v48i4.2996.
Liu, Ying, Yiwei Hao, Jiang Xiao, Liang Wu, Hongyuan Liang, Junyan Han, and Hongxin Zhao. "Trends in rates and causes of hospitalization among people living with HIV in the antiretroviral therapy era: A retrospective cohort study in China, 2008–2020." Frontiers in Public Health 10 (November 8, 2022). http://dx.doi.org/10.3389/fpubh.2022.1000942.
Hidano, Soma, Yuya Yamaguchi, Shinsuke Takase, Shuji Moriguchi, Kenji Kaneko, and Kenjiro Terada. "Semi‐implicit material point method for simulating infiltration‐induced failure of unsaturated soil structures." International Journal for Numerical and Analytical Methods in Geomechanics, April 24, 2024. http://dx.doi.org/10.1002/nag.3750.
Dissertations / Theses on the topic "Nage de poisson":
Marras, Stefano. "Variation inter-individuelle des performances de nage chez le loup, Dicentrarchus labrax." Montpellier 2, 2009. http://www.theses.fr/2009MON20210.
Fish swim to accomplish such essential activities as prey capture, avoiding predation, migrating, mating. Despite the vital nature of swimming, there is evidence that individuals of a fish species show wide variation in their ability to swim. This thesis investigated individual variation in major traits of aerobic and anaerobic swimming performance in the European sea bass (Dicentrarchus labrax); the extent to which trait variation was stable and repeatable over time, and whether the variation reflected trade-offs between different types of performance. Maximum aerobic swimming speed was remarkably uniform in the sea bass, and highly repeatable, indicating selection for individuals which can preserve maximal aerobic function at all times. By contrast, traits of anaerobic performance, such as maximum anaerobic bursting speed, maximum sprinting speed, and the fast-start escape response, all show a high degree of individual variation. Variation in maximum anaerobic bursting speed may reflect a trade-off whereby high performance requires a significantly longer recovery period. The basis for the variation in sprinting speed and escape response is unknown, although the variation was relatively stable and repeatable over time. There were no clear relationships between the different independent performance traits in the sea bass, despite the fact that a negative relationship (trade-off) between aerobic and anaerobic performance had been predicted on theoretical grounds, as had positive relationships between different types of anaerobic performance. Thus, the large degree of variation in anaerobic performance cannot be explained at present, but may reflect a life cycle of seasonal colonization of diverse habitats, where no single performance phenotype has an adaptive advantage
Ashraf, Intesaaf. "Interactions in Collective Fish Swimming." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC077/document.
Fish school is the classical example of self-emergent system of collective behavior in animal locomotion, which involves complex interactions between individuals and has drawn fascination of numerous multidisciplinary analytical, numerical and experimental researches. Various reasons have been cited for the formation of fish school such as evading predators, enhancing foraging success or advantage in terms of energy consumption. However, most of the works primary focus on what fish should do in a school instead of what fish really do, leading to discrepancies between the works of theoretical physicists and engineers and what is observed in the nature by biologists. This thesis is an attempt to bridge this gap. In this work, we investigate the swimming dynamics of the red nose tetra fish Hemigrammus bleheri in a controlled experiment. The tetra fish are observed to swim using a burst-and-coast strategy, which could be for the purpose of active flow sensing. We also address the case of red nose tetra fish Hemigrammus bleheri swimming in groups in a uniform flow, giving special attention to the basic interactions and cooperative swimming of a single pair of fish. We first bring evidence of synchronization of the two fish, where the swimming modes are dominated by "out of phase" and "in phase" configurations. At last, we challenge the question of energy benefit by discussing the channeling effect versus the vortex interaction hypothesis (Weihs, Nature 241:290-291, 1973) about diamond shape. We provide the experimental observation that fish prefer inline formation or phalanx formation over the diamond shape while swimming in a school
Malbouyres, Marilyne. "Le collagène XXII dans la formation et la fonctionnalité de la jonction myotendineuse chez le poisson zèbre, de l’embryon à l’âge adulte." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1224.
The myotendinous junction (MTJ) is a specialized extracellular matrix which allows the transmission of skeletal muscle forces to bones. My thesis project aimed at characterizing the in vivo role of COLXXII using the zebrafish as a model. The zebrafish col22a1 gene encodes COLXXII whose expression begins in the entire somite, and is then restricted gradually at the MTJ, where the protein is deposited. Morphants (Knockdown) develop a dystrophic phenotype and we have demonstrated that COLXXII is likely a member of the integrin a7ß1 anchoring complex. However, because morpholinos are efficient only few days after injection, our study was limited to early stages of zebrafish development. We thus generated two mutant lines (CRISPR-Cas9) invalidated for col22a1. The typical sarcolemmal interdigitations of the MTJ are almost absent in mutants, from larvae to adult (as in morphants), which could impact the force transmission and/or the muscle attachment to myosepta (tendons). In the two mutant lines, the same proportion of larvae displays a severe phenotype leading to fish death 14 days post-fertilization. On the contrary, other larvae survive without any obvious general phenotype. A first candidate genes approach was realized by qPCR and tends to show that the phenotypic differences may be due to both, variable expressivity and genetic compensation. Finally, I have shown that 6 months col22a1-/- fish show a highly decreased swimming capacity and consume more O2 during effort compared to wild type animals. Thus, we conclude that the musculoskeletal system efficiency seems altered in absence of COLXXII. Our results should allow considering COL22A1 as a candidate gene for muscular dystrophies with unclarified genetic cause
Lucas, Julie. "Intégrité fonctionnelle chez le poisson zèbre, Danio rerio, exposé à des concentrations sublétales d’hydrocarbures aromatiques polycycliques." Thesis, La Rochelle, 2013. http://www.theses.fr/2013LAROS422/document.
The increase of anthropogenic activities on coastal areas induces discharges of polycyclic aromatic hydrocarbons in aquatic ecosystem. PAHs effects depend on their concentration and the way of contamination, but also on the different developmental stages of the organism. In this context, the aim of our study was to observe the effects of an exposure to two PAHs mixes, pyrolytic and petrogenic, on the model species zebrafish Danio rerio. These chronicle exposures at sub-lethal concentrations were representative of contaminated areas. Biological responses of fish were estimated at individual levels through the assessment of aerobic metabolic scope, swimming and escape performance, which are considered to be relevant indirect measures of the fitness. Furthermore, measurements of cardiac frequency allowed observing PAHs impairments at sub-individual levels. These physiological performances were estimated (i) a several times of exposure (i.e. from 2-months juveniles to 6-months adults) and (ii) on their progeny, in order to observe parental effect of the PAHs exposure. An increase of aerobic metabolic scope was observed on the progeny of fish contaminated by pyrolytic mix. Regarding petrogenic PAHs exposure, the increase of aerobic metabolic scope was associated to increase of critical swimming speed in adults. This study will contribute to establishing a global vision of PAHs exposure impairments and to a better understanding of the regulating mechanisms of the main biological functions on which organism survival depends
Ravel, Guillaume. "Three-dimensional modeling and experiment-driven numerical simulation of zebrafish escape swimming for biological applications." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0330.
Biologists use zebrafish as an animal model to study the effects of genetic or environmental factors related to human locomotor diseases in order to develop pharmacological treatments. The general objectives of the project were 1) to develop a numerical model based on real-world data capable of accurately simulating the escape swimming of the zebrafish eleuthero-embryo and 2) to provide, in addition to swimming kinematic parameters, a fine estimate of the energetic performance of locomotor behavior to enrich experimental studies on locomotion. Furthermore, an experiment-based numerical modeling might enhance the understanding of locomotor behavior. For this purpose, a computational fluid dynamics code describing the fluid flow around a moving and deforming immersed body was used to reproduce in silico the experimental escape response of a five-day post-fertilization eleuthero-embryo. The solution of the mechanistic model, governed by the incompressible Navier-Stokes equations and Newton's laws was approximated on a Cartesian mesh while the solid body represented by a level-set function, was described implicitly by a penalization method. As for the deformation kinematics, it was estimated directly from experimental locomotion videos by a Procrustes analysis. A first approach has been considered to extract the deformation velocity, in two dimensions, based on optimal transportation. In order to be faithful to three-dimensional (3D) physics, the morphology of the zebrafish eleuthero-embryo and the experimental escape kinematics were reconstructed in 3D, by tracking Lagrangian markers on the surface of the zebrafish body. Thus, a new approach has been developed to estimate the deformation velocity from experimental real data obtained by ultra-high-speed imaging after electric field pulse stimulation. Zebrafish eleuthero-embryo exhibits a highly stereotyped and complex escape behavior consisting of three swimming modules: C-bend, counter-bend and fast-swimming cyclic phase. The developed approach enables high-performance and realistic numerical simulations of real locomotion. After performing a numerical validation of the model based on each component, a study was conducted on the energetic performance of the zebrafish's escape response, challenged by a change in fluid viscosity. A linear response of the cost of transport, associated with a constant energy expenditure, regardless the fluid environment, was thus demonstrated. This energy study can be extended to any immersed, moving and deformable body and in particular, to any biological experiment such as exposure to a neuro-toxicant, which would alter the locomotor behavior of the eleuthero-embryo. Thus, numerical simulation may enrich the quantitative assessments of biological conditions and pharmacological treatments which lead to disturbing or recovering the locomotor behavior
Ghaffari, Dehkharghani Seyed Amin. "Simulations numériques d’écoulements incompressibles interagissant avec un corps déformable : application à la nage des poissons." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4369/document.
We present an efficient algorithm for simulation of deformable bodies interacting with two-dimensional incompressible flows. The temporal and spatial discretizations of the Navier--Stokes equations in vorticity stream-function formulation are based on classical fourth-order Runge--Kutta and compact finite differences, respectively. Using a uniform Cartesian grid we benefit from the advantage of a new fourth-order direct solver for the Poisson equation to ensure the incompressibility constraint down to machine zero over an optimal grid. For introducing a deformable body in fluid flow, the volume penalization method is used. A Lagrangian structured grid with prescribed motion covers the deformable body which is interacting with the surrounding fluid due to the hydrodynamic forces and the torque calculated on the Eulerian reference grid. An efficient law for controlling the curvature of an anguilliform fish, swimming toward a prescribed goal, is proposed which is based on the geometrically exact theory of nonlinear beams and quaternions. Validation of the developed method shows the efficiency and expected accuracy of the algorithm for fish-like swimming and also for a variety of fluid/solid interaction problems
Israilov, Sardor. "De l'identification basée apprentissage profond à la commande basée modèle." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ4003.
Fish swimming remains a complex subject that is not yet fully understood due to the inter-section of biology and fluid dynamics. Through years of evolution, organisms in nature have perfected their biological mechanisms to navigate efficiently in their environment and adaptto particular situations. Throughout history, mankind has been inspired by nature to innovateand develop nature-like systems. Biomimetic robotic fish, in particular, has a number of appli-cations in the real world and its control is yet to be optimized. Deep Reinforcement Learning showed excellent results in control of robotic systems, where dynamics is too complex to befully modeled and analyzed. In this thesis, we explored new venues of control of a biomimetic fish via reinforcement learning to effectively maximize the thrust and speed. However, to fully comprehend the newly-emerged data-based algorithms, we first studied the application of these methods on a standard benchmark of a control theory, the inverted pendulum with a cart. We demonstrated that deep Reinforcement Learning could control the system without any prior knowledge of the system, achieving performance comparable to traditional model-based con-trol theory methods. In the third chapter, we focus on the undulatory swimming of a roboticfish, exploring various objectives and information sources for control. Our studies indicate that the thrust force of a robotic fish can be optimized using inputs from both force sensors and cameras as feedback for control. Our findings demonstrate that a square wave control with a particular frequency maximizes the thrust and we rationalize it using Pontryagin Maximum Principle. An appropriate model is established that shows an excellent agreement between simulation and experimental results. Subsequently, we concentrate on the speed maximization of a robotic fish both in several virtual environments and experiments using visual data. Once again, we find that deep Reinforcement Learning can find an excellent swimming gait with a square wave control that maximizes the swimming speed
Porez, Mathieu. "Modèle dynamique analytique de la nage tridimensionnelle anguilliforme pour la robotique." Phd thesis, Nantes, 2007. https://archive.bu.univ-nantes.fr/pollux/show/show?id=b35b23ba-3371-4f6b-9b34-d4e9b084b999.
The presented work in this thesis is devoted to the development of a dynamic model for the anguilliform swim suited to the real time control of the future biomimetic "Eel-like robot" of the ROBEA-CNRS project of the same name. The computation of the interactions between a deformable body and the fluid, in which it moves, is a complex problem requiring the integration of the Navier-Stokes equations and the non-linear dynamic equations of the body enduring finished transformations. Pursuing goals of control for robotic, the suggested solution is based on the fusion of two theories: the Slender Body Theory of the fluid mechanic and Cosserat Beam Theory of the solid mechanic. The first theory models the 3-D flow around fish by the stratification "slices by slices" of the bidimensional flows and transverse with the principal axis of the animal's body. Basing on the second theory, the fish is modeled by a continuous assembly of rigid sections that represents the animal's vertebrae or the eel-like robot's rigid platforms. On the basis of this model,the purpose of the presented work is to establish the dynamics of the head and the vertebrae of fish in order to work out a numerical algorithm based on the "Newton-Euler formalism". Finally, the obtained simulator works in real time with a good level of precision (i. E. Lower than 10\%) compared with the numerical computations of the Navier-Stokes equations
Porez, Mathieu. "Modèle dynamique analytique de la nage tridimensionnelle anguilliforme pour la robotique." Phd thesis, Université de Nantes, 2007. http://tel.archives-ouvertes.fr/tel-00630940.
Matar, Younes. "Etude expérimentale de la nage anguilliforme : application à un robot biomimétique." Phd thesis, Ecole des Mines de Nantes, 2013. http://tel.archives-ouvertes.fr/tel-00821185.
Books on the topic "Nage de poisson":
Altan. Nage, petit poisson! Paris: l'école des loisirs, 1986.
Sim, David. PETIT POISSON NAGE. NATHAN, 2008.
Altan. Nage, petit poisson ! L'Ecole des loisirs, 1997.
Scerri, Eric. A Tale of Seven Elements. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780195391312.001.0001.
O'Brien, James. The Scientific Sherlock Holmes. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199794966.001.0001.
Book chapters on the topic "Nage de poisson":
Corton, Christine L. "London Fog as Food: From Pabulum to Poison." In The Life of Breath in Literature, Culture and Medicine, 325–43. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74443-4_16.
Cho, Daegon. "Real Name Verification Law on the Internet: A Poison or Cure for Privacy?" In Economics of Information Security and Privacy III, 239–61. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-1981-5_11.
Kingman, J. F. C. "Cox processes." In Poisson Processes, 65–72. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198536932.003.0006.
Berry, Wendell. "Questionnaire." In What Things Cost, 117. University Press of Kentucky, 2023. http://dx.doi.org/10.5810/kentucky/9780813182438.003.0049.
Douglas, Angela E. "June 28, 2020." In Nature on the Doorstep, 59–62. Cornell University Press, 2023. http://dx.doi.org/10.7591/cornell/9781501768118.003.0015.
"Diana Primrose (fl. 1630)." In Early Modern Women Poets (1520-1700), edited by Jane Stevenson Peter Davidson, Meg Bateman, Kate Chedgzoy, and Julie Saunders, 227. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198184263.003.0083.
Yahir Palomino Velandia, Gerson, and José Alfredo Jiménez Moscoso. "Some Results on the Non-Homogeneous Hofmann Process." In Applied Probability Theory - New Perspectives, Recent Advances and Trends [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106422.
Bohren, Craig F., and Bruce A. Albrecht. "Specific Heats and Enthalpy." In Atmospheric Thermodynamics, 144–228. 2nd ed. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780198872702.003.0003.
Emsley, John. "Graham Young." In The Elements of Murder. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780192805997.003.0024.
Chan, Raymond H., Chen Greif, and Dianne P. O’Leary. "A Generalized Conjugate Gradient Method For The Numerical Solution Of Elliptic Partial Differential Equations (With Paul Concus And Dianne P. O’leary)." In Milestones In Matrix Computation: Selected Works Of Gene H. Golub, With Commentaries, 79–101. Oxford University PressOxford, 2007. http://dx.doi.org/10.1093/oso/9780199206810.003.0008.
Conference papers on the topic "Nage de poisson":
Morello, André Alain. "Au bord de l'eau, sur l'eau, dans l'eau: les expérimentations de Claudel dramaturge." In XXV Coloquio AFUE. Palabras e imaginarios del agua. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/xxvcoloquioafue.2016.3089.
Nanda, Aditya, and M. Amin Karami. "Flexural Frequency Bandgaps in a Foldable Metamaterial Structure." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3892.
Mustafa, Ayyaz, Zeeshan Tariq, Manojkumar Gudala, Bicheng Yan, Shuyu Sun, and Mohamed Mahmoud. "Enhancing Breakdown Pressure Predictions in Ultra-Tight Formations Through Robust Machine Learning Techniques." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0756.