Littérature scientifique sur le sujet « Simulations HPC de plasma turbulent »
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Articles de revues sur le sujet "Simulations HPC de plasma turbulent"
Bouzat, Nicolas, Camilla Bressan, Virginie Grandgirard, Guillaume Latu et Michel Mehrenberger. « Targeting Realistic Geometry in Tokamak Code Gysela ». ESAIM : Proceedings and Surveys 63 (2018) : 179–207. http://dx.doi.org/10.1051/proc/201863179.
Texte intégralVeltri, P., G. Nigro, F. Malara, V. Carbone et A. Mangeney. « Intermittency in MHD turbulence and coronal nanoflares modelling ». Nonlinear Processes in Geophysics 12, no 2 (9 février 2005) : 245–55. http://dx.doi.org/10.5194/npg-12-245-2005.
Texte intégralCranmer, Steven R., et Momchil E. Molnar. « Magnetohydrodynamic Mode Conversion in the Solar Corona : Insights from Fresnel-like Models of Waves at Sharp Interfaces ». Astrophysical Journal 955, no 1 (1 septembre 2023) : 68. http://dx.doi.org/10.3847/1538-4357/acee6c.
Texte intégralSharma, A. Y., M. D. J. Cole, T. Görler, Y. Chen, D. R. Hatch, W. Guttenfelder, R. Hager et al. « Global gyrokinetic study of shaping effects on electromagnetic modes at NSTX aspect ratio with ad hoc parallel magnetic perturbation effects ». Physics of Plasmas 29, no 11 (novembre 2022) : 112503. http://dx.doi.org/10.1063/5.0106925.
Texte intégralBaudoin, Camille, Patrick Tamain, Hugo Bufferand, Guido Ciraolo, Nicolas Fedorczak, Davide Galassi, Philippe Ghendrih et Nicolas Nace. « Turbulent heat transport in TOKAM3X edge plasma simulations ». Contributions to Plasma Physics 58, no 6-8 (6 juin 2018) : 484–89. http://dx.doi.org/10.1002/ctpp.201700168.
Texte intégralRincon, François, Francesco Califano, Alexander A. Schekochihin et Francesco Valentini. « Turbulent dynamo in a collisionless plasma ». Proceedings of the National Academy of Sciences 113, no 15 (29 mars 2016) : 3950–53. http://dx.doi.org/10.1073/pnas.1525194113.
Texte intégralGleize, Vincent, Michel Costes et Ivan Mary. « Numerical simulation of NACA4412 airfoil in pre-stall conditions ». International Journal of Numerical Methods for Heat & ; Fluid Flow 32, no 4 (30 novembre 2021) : 1375–97. http://dx.doi.org/10.1108/hff-07-2021-0514.
Texte intégralTimofeev, I. V., et A. V. Terekhov. « Simulations of turbulent plasma heating by powerful electron beams ». Physics of Plasmas 17, no 8 (août 2010) : 083111. http://dx.doi.org/10.1063/1.3474952.
Texte intégralTimofeev, I. V., et A. V. Terekhov. « Simulations of Turbulent Plasma Heating by Powerful Electron Beams ». Fusion Science and Technology 59, no 1T (janvier 2011) : 70–73. http://dx.doi.org/10.13182/fst11-a11577.
Texte intégralKitiashvili, I. N., A. G. Kosovichev, A. A. Wray et N. N. Mansour. « Realistic MHD simulations of magnetic self-organization in solar plasma ». Proceedings of the International Astronomical Union 6, S274 (septembre 2010) : 120–24. http://dx.doi.org/10.1017/s1743921311006703.
Texte intégralThèses sur le sujet "Simulations HPC de plasma turbulent"
Manas, Pierre. « Gyrokinetic simulations of turbulent impurity transport in tokamaks ». Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4745/document.
Texte intégralUnderstanding impurity transport in the core of tokamak plasmas is central to achieving controlled fusion. Indeed impurities are ubiquitous in these devices and their presence in the core are detrimental to plasma confinement (fuel dilution, Bremsstrahlung). Recently, specific attention was given to the convective mechanism related to the gradient of the toroidal rotation to explain experimental flat/hollow impurity profiles in the plasma core. In this thesis, up-to-date modelling tools (NEO for neoclassical transport and GKW for turbulent transport) including the impact of toroidal rotation are used to study both the neoclassical and turbulent contributions to impurity fluxes. A comparison of the experimental and modelled carbon density peaking factor (R/LnC) is performed for a large number of baseline and hybrid H-mode plasmas (increased confinement regimes) with modest to high toroidal rotation from the European tokamak JET. Confrontation of experimental and modelled carbon peaking factor yields two main results. First roto-diffusion is found to have a nonnegligible impact on the carbon peaking factor at high values of the toroidal rotation frequency gradient. Second, there is a tendency to overpredict the experimental R/LnC in the core inner region where the carbon density profiles are hollow. This disagreement between experimental and modelled R/LnC, closely related to the collisionality, is also observed for the momentum transport channel which hints at a common parallel symmetry breaking mechanism lacking in the simulations
Soe, Min. « Thermal lattice Boltzmann simulations of variable Prandtl number turbulent flow ». W&M ScholarWorks, 1997. https://scholarworks.wm.edu/etd/1539623912.
Texte intégralGracio, Bilro Castela Maria Luis. « Direct Numerical Simulations of plasma-assisted ignition in quiescent and turbulent flow conditions ». Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLC042/document.
Texte intégralPlasma-assisted combustion has received increasing attention in both plasma and combustion communities. Nanosecond Repetitively Pulsed (NRP) discharges are a promising and efficient technique to initiate and control combustion processes particularly when conventional ignition systems are rather ineffective or too energy costly. Even though a promising technique, the phenomena occurring in NRP discharges-assisted combustion are still poorly understood. The numerical studies presented in the literature are limited to 1-D and 2-D simulations in quiescent conditions. The problem complexity increases in practical configurations as ignition phenomena are also controlled by the flow and mixing field characteristics in and around the discharge channel. Direct Numerical Simulations (DNS) is a powerful research tool to understand these plasma/combustion/flow interactions. However, the computational cost of fully coupled detailed non-equilibrium plasma and combustion chemistry, and high Reynolds number simulations is prohibitive. This thesis presents a model to describe the effects of non-equilibrium plasma discharges in the set of equations governing the combustion phenomena. Based on the results reported in the literature, the model is constructed by analyzing the channels through which the electric energy is deposited. The two main channels by which the electrons produced during the discharge impact the reactive mixture are considered: 1) the excitation and the subsequent relaxation of the electronic states of nitrogen molecules, which leads to an ultrafast increase of the gas temperature and dissociation of species; and 2) the excitation and relaxation of vibrational states of nitrogen molecules which causes a much slower gas heating. This high level model of NRP discharges allows DNS studies of plasma-assisted combustion / ignition in high turbulent Reynolds number. The complex physics underlying plasma-assisted ignition by multiple discharges in both quiescent and turbulent flow conditions are discussed in the present thesis
Colin, Clothilde. « Turbulent transport modeling in the edge plasma of tokamaks : verification, validation, simulation and synthetic diagnostics ». Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4350/document.
Texte intégralThe possibility to produce power by using magnetically confined fusion is a scientific and technological challenge. The perspective of ITER conveys strong signals to intensify modeling effort on magnetized fusion plasmas. The success of the fusion operation is conditioned by the quality of plasma confinement in the core of the reactor and by the control of plasma exhaust on the wall. Both phenomena are related to turbulent cross-field transport that is at the heart of the notion of magnetic confinement studies, particle and heat losses. The study of edge phenomena is therefore complicated by a particularly complex magnetic geometry.This calls for an improvement of our capacity to develop numerical tools able to reproduce turbulent transport properties reliable to predict particle and energy fluxes on the plasma facing components. This thesis introduces the TOKAM3X fluid model to simulate edge plasma turbulence. A special focus is made on the code Verification and the Validation. It is a necessary step before using a code as a predictive tool. Then new insights on physical properties of the edge plasma turbulence are explored. In particular, the poloidal asymmetries induced by turbulence and observed experimentally in the Low-Field-Side of the devices are investigated in details. Great care is dedicated to the reproduction of the MISTRAL base case which consists in changing the magnetic configuration and observing the impact on parallel flows in the poloidal plane. The simulations recover experimental measurements and provide new insights on the effect of the plasma-wall contact position location on the turbulent features, which were not accessible in experiments
Lalescu, Cristian. « Test particle transport in turbulent magnetohydrodynamic structures ». Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209908.
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Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Chapitres de livres sur le sujet "Simulations HPC de plasma turbulent"
Coroniti, F. V. « Space Plasma Turbulent Dissipation : Reality or Myth ? » Dans Space Plasma Simulations, 399–410. Dordrecht : Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5454-0_24.
Texte intégralLewandowski, J. L. V., W. W. Lee et Z. Lin. « Gyrokinetic Simulations of Plasma Turbulence on Massively Parallel Computers ». Dans High Performance Computing — HiPC 2001, 95–103. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45307-5_9.
Texte intégralGondarenko, N. A., et P. N. Guzdar. « Structure of turbulent irregularities in high-latitude plasma patches-3D nonlinear simulations ». Dans Disturbances in Geospace : The Storm-Substorm Relationship, 205–15. Washington, D. C. : American Geophysical Union, 2003. http://dx.doi.org/10.1029/142gm17.
Texte intégralLago, Rafael, Michael Obersteiner, Theresa Pollinger, Johannes Rentrop, Hans-Joachim Bungartz, Tilman Dannert, Michael Griebel, Frank Jenko et Dirk Pflüger. « EXAHD : A Massively Parallel Fault Tolerant Sparse Grid Approach for High-Dimensional Turbulent Plasma Simulations ». Dans Software for Exascale Computing - SPPEXA 2016-2019, 301–29. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47956-5_11.
Texte intégralActes de conférences sur le sujet "Simulations HPC de plasma turbulent"
Tskhakaya, David, Alejandro Soba, Ralf Schneider, Mattias Borchardt, Erven Yurtesen et Jan Westerholm. « PIC/MC Code BIT1 for Plasma Simulations on HPC ». Dans 2010 18th Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP). IEEE, 2010. http://dx.doi.org/10.1109/pdp.2010.47.
Texte intégralReynolds-Barredo, J. M., D. E. Newman, J. M. Reynolds-Barredo, R. Sanchez et L. A. Berry. « Modelling parareal convergence in 2D drift wave plasma turbulence ». Dans 2012 International Conference on High Performance Computing & Simulation (HPCS). IEEE, 2012. http://dx.doi.org/10.1109/hpcsim.2012.6267004.
Texte intégralJOU, W. H., et JAMES RILEY. « On direct numerical simulations of turbulent reacting flows ». Dans 19th AIAA, Fluid Dynamics, Plasma Dynamics, and Lasers Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 1987. http://dx.doi.org/10.2514/6.1987-1324.
Texte intégralJoiner, Nathan, Akira Hirose et William Dorland. « Gyrokinetic simulation of micro-turbulence in magnetically confined plasmas ». Dans 21st International Symposium on High Performance Computing Systems and Applications (HPCS'07). IEEE, 2007. http://dx.doi.org/10.1109/hpcs.2007.18.
Texte intégralShaikh, Dastgeer, G. P. Zank, M. Maksimovic, K. Issautier, N. Meyer-Vernet, M. Moncuquet et F. Pantellini. « Self-consistent Simulations of Plasma-Neutral in a Partially Ionized Astrophysical Turbulent Plasma ». Dans TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP, 2010. http://dx.doi.org/10.1063/1.3395827.
Texte intégralGlimm, J., et Xiaolin Li. « Validation of Rayleigh-Taylor turbulent mixing simulations for real fluids ». Dans The 33rd IEEE International Conference on Plasma Science, 2006. ICOPS 2006. IEEE Conference Record - Abstracts. IEEE, 2006. http://dx.doi.org/10.1109/plasma.2006.1707008.
Texte intégralMullenix, Nathan, Datta Gaitonde et Miguel Visbal. « A Plasma-Actuator-Based Method to Generate a Supersonic Turbulent Boundary Layer Inflow Condition for Numerical Simulations ». Dans 20th AIAA Computational Fluid Dynamics Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-3556.
Texte intégralCambareri, Joseph J., et Igor A. Bolotnov. « Interface Tracking Simulations of Two-Phase Flow Utilizing Adaptive Meshing Capabilities ». Dans 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-81247.
Texte intégralVasilopoulos, Ilias, Paolo Adami, Matthias Voigt, Marcus Meyer et Ronald Mailach. « Roughness Investigations on In-Service High-Pressure Compressor Blades – Part II : Roughness Parameterization and CFD-Based Modelling of its Impact on Turbulent Flows ». Dans ASME Turbo Expo 2023 : Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-101157.
Texte intégralSreeyasunath, S., et E. Y. K. Ng. « Prediction of High Pressure Axial Compressor Stage Flow Using a Circumferential Average Approach ». Dans ASME 1997 Turbo Asia Conference. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-aa-011.
Texte intégralRapports d'organisations sur le sujet "Simulations HPC de plasma turbulent"
Theilhaber, K., G. Laval et D. Pesme. Numerical Simulations of Turbulent Trapping in the Weak Beam-Plasma Instability. Fort Belvoir, VA : Defense Technical Information Center, juin 1986. http://dx.doi.org/10.21236/ada170108.
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