Letteratura scientifica selezionata sul tema "Simulation particulaire"
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Articoli di riviste sul tema "Simulation particulaire":
Rivoalen, Elie, Serge Huberson e Frédéric Hauville. "Simulation numérique des équations de Navier-Stokes 3D par une méthode particulaire". Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy 324, n. 9 (maggio 1997): 543–49. http://dx.doi.org/10.1016/s1251-8069(97)83187-9.
Villedieu, Philippe, e Jouke Hylkema. "Une méthode particulaire aléatoire reposant sur une équation cinétique pour la simulation numérique des sprays denses de gouttelettes liquides". Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 325, n. 3 (agosto 1997): 323–28. http://dx.doi.org/10.1016/s0764-4442(97)83964-x.
VĂDUVA, Ion, e Mihăiţă DRĂGAN. "ON THE SIMULATION OF SOME PARTICULAR DISCRETE DISTRIBUTIONS". Review of the Air Force Academy 16, n. 2 (31 ottobre 2018): 17–30. http://dx.doi.org/10.19062/1842-9238.2018.16.2.2.
Yang Fu, 杨馥, 陈文豪 Chen Wenhao, 陆彦宇 Lu Yanyu e 贺岩 He Yan. "高光谱分辨率的海洋碳颗粒剖面探测系统仿真". Infrared and Laser Engineering 52, n. 5 (2023): 20220715. http://dx.doi.org/10.3788/irla20220715.
Maierhofer, Paul, Marco Carminati, Giorgio Ferrari, Georg Röhrer, Marco Sampietro e Alexander Bergmann. "Characterization of a Capacitive Sensor for Particulate Matter". Proceedings 2, n. 13 (17 dicembre 2018): 995. http://dx.doi.org/10.3390/proceedings2130995.
葉沛廷, 葉沛廷, e 蘇瑛敏 Pei-Ting Yeh. "基於透空式建築型態的街谷細懸浮微粒汙染物擴散數值模擬". 建築學報 117, n. 117 (settembre 2021): 069–95. http://dx.doi.org/10.53106/101632122021090117004.
Trunk, Robin, Timo Weckerle, Nicolas Hafen, Gudrun Thäter, Hermann Nirschl e Mathias J. Krause. "Revisiting the Homogenized Lattice Boltzmann Method with Applications on Particulate Flows". Computation 9, n. 2 (27 gennaio 2021): 11. http://dx.doi.org/10.3390/computation9020011.
Liu, Don, Yi Fan Wang e Hai Bo Zhang. "Spectral Element Simulation of Complex Particulate Flows". Applied Mechanics and Materials 404 (settembre 2013): 318–23. http://dx.doi.org/10.4028/www.scientific.net/amm.404.318.
Wang, Y. H., e S. C. Leung. "A particulate-scale investigation of cemented sand behavior". Canadian Geotechnical Journal 45, n. 1 (gennaio 2008): 29–44. http://dx.doi.org/10.1139/t07-070.
Song, Xin-Yi, Qing-Chang Lu e Zhong-Ren Peng. "Spatial Distribution of Fine Particulate Matter in Underground Passageways". International Journal of Environmental Research and Public Health 15, n. 8 (25 luglio 2018): 1574. http://dx.doi.org/10.3390/ijerph15081574.
Tesi sul tema "Simulation particulaire":
Minea, Tiberiu. "Simulation particulaire d'une decharge magnetron radio-frequence. Comparaison a l'experience". Paris 11, 1998. http://www.theses.fr/1998PA112400.
Zouari, Bassem. "Modélisation et simulation de l'enlèvement de revêtements polymériques par impact particulaire". Paris, ENSAM, 2001. http://www.theses.fr/2001ENAM0010.
Euzenat, Charly. "Contributions à la simulation de l’enlèvement de matière par abrasion". Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPAST059.
The production of mechanical parts with high added value involves significant machining times and sometimes requires the functional surfaces to be finished by abrasion in order to achieve the required specifications. The correct definition of the parameters of the manufacturing process plays an important role in obtaining the final surface finish on the parts produced. In this context, the control of involved parameters is still carried out empirically.The thesis focuses on the polishing of functional surfaces and in particular on the prediction and realistic simulation of the effects of abrasion processes on surface topography. The proposed work contributes to the study of new simulation methods for abrasion. More specifically, the scientific challenge of this work is to create a breakthrough with conventional simulations, using meshless methods, and to evaluate their performance in this context. The simulation results obtained in indentation and scratching tests have been compared to experimental results and are in agreement. However, the simulation times are too long to envisage a complete abrasion simulation involving the passage of hundreds of abrasive grains.To overcome these difficulties, the development of an abrasion model based on the implicit representation of surfaces was carried out. The abrasion process is modelled using this surface representation formalism. A complete manufacturing process from machining to abrasion is successfully simulated and experimentally validated. The models studied could be a possible foundation for the development of an industrial simulation framework. The contribution of simulations to the automation of abrasion operations and the optimization of manufacturing processes could help to increase the productivity and quality of mechanical parts
Zhang, Qijie. "Simulation de la matière particulaire dans la région parisienne, en particulier de l'aérosol organique". Paris 7, 2012. http://www.theses.fr/2012PA077206.
Human activities in large agglomerations ("megacities") cause large pollutant emissions, with negative effects on air quality and human health at a local and regional level. Fine particulate matter (PM) is one of the greatest concerns for health. Organic aerosol makes up a large part of fine PM, but there are still large gaps in the knowledge on its formation pathways and there is considerable uncertainty in its 3D modeling. In this thesis, PM₂. ₅ simulations with the regional chemistry-transport model CHIMERE were first evaluated with measurement date collected in Paris in springtime, 2007. The model results show good performance of simulating occurrence of peaks, especially for inorganic aerosols which mainly originate from long range transport from Northeastern and Central Europe. Modeled primary organic aerosol (POA) is overestimated when considered as non-volatile by a factor of two, while secondary organic aerosol (SOA) is underestimated by a factor of more than two. In order to improve the model performance of organic aerosol simulation, the volatility basis set approach which formalizes new knowledge on POA volatility and on SOA chemical aging is implemented into CHIMERE. Model simulations are evaluated with ground based and airborne observations obtained during two intensive field campaigns performed in the Paris agglomeration in summer 2009 and winter 2009/2010 in the frame of the European MEGAPOLI project. The simulation for organic aerosol is improved when taking into account POA volatility and multistep oxidation of semivolatile VOC during the summer campaign. Advection of continental air masses to the Paris agglomeration with enhanced SOA levels either from anthropogenic or biogenic origin, is well restituted by the model. SOA build-up in the plume is overestimated by a factor of two when normalized to photochemical ozone production, but this factor is within the uncertainty of the VBS approach. During the winter campaign, SOA formation is still underestimated. These results clearly represent progress in the modeling of organic aerosol in and around a large urban agglomeration. The model was used to estimate sources contributing for summer 2009 to organic aerosol in the agglomeration and in the plume. Within the agglomeration, advection of biogenic, anthropogenic and background SOA from outside was dominant, while locally emitted POA accounts to about a quarter of total OA. In the plume, anthropogenic SOA formation, and to some extent also SOA formation from aged POA becomes dominant. These results are in broad agreement with source apportionment studies from observations
Ben, Salem Farah. "Réception particulaire pour canaux multi-trajets évanescents en communications radiomobiles". Toulouse 3, 2002. http://www.theses.fr/2002TOU30142.
Jiang, Yuchao. "Quelques problèmes de physique et simulation particulaire de plasmas froids partiellement magnétisés et de sources d'ions". Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30057.
In this thesis we will illustrate some of the issues in the physics and modeling of partially magnetized plasmas with three specific examples that correspond to ongoing studies in the GREPHE group of the LAPLACE laboratory: 1) Electron extraction in negative ion sources for neutral beam injection in fusion 2) Instabilities in magnetron discharges and Hall thrusters 3) Plasma confinement by magnetic cusps - In the study of negative ion sources for fusion, the aim of the GREPHE group is to better understand the physics of the negative ion source, and more specifically, the questions of plasma transport across the magnetic filter and of negative ion extraction from the plasma. One of the important issues in these negative ion sources is to minimize the current of electrons that are co-extracted with the negative ions. In this thesis we focus on this aspect and we try to understand and quantify how electrons can be extracted through a grid aperture when a magnetic cusp is placed in front of the aperture. We discuss, with the help of 3D PIC MCC (Particle-In-Cell Monte Carlo Collisions) simulations, the contributions of different electron drifts (ExB drift, Grad B drift and curvature drift) and instabilities to electron extraction through a grid aperture.- Hall thrusters and magnetron discharges are ExB cylindrical devices with radial magnetic field and axial electric field. It has been known for a long time that instabilities are present in these discharges, leading to important anomalous electron transport. In this thesis we focus on one particular type of instability, called "rotating Spoke", which is known to be present in Hall thrusters and magnetron discharges and is apparent in the experiments as a luminous non-uniformity rotating in the azimuthal direction. In this work we use a 2D PIC MCC simulation to perform a parametric study of this instability. We show that, in some conditions where rotating spokes have been observed in the experiments, Grad B electron drift plays a major role in electron heating and in the formation and maintenance of the rotating spokes.- Magnetic cusps have been used for more than 60 years to confine the plasma in a large variety of conditions. An important parameter characterizing plasma confinement by cusps is the effective loss area in the presence of magnetic cusps. Some semi-empirical theories have been proposed to quantify the effective loss area and their predictions have been compared with numerous experimental results. In spite of these efforts there is no fully reliable expression of the effective wall loss as a function of different parameters such as magnetic field, electron temperature, ion mass, gas pressure, etc... We describe in this thesis an attempt at obtaining scaling laws for the effective loss width of magnetic cusps, based on 2D PIC MCC simulations
LU, HUI ZHONG. "Simulation des ecoulements externes visqueux incompressibles par une methode de couplage : methode des differences finies/methode particulaire". Paris 11, 1996. http://www.theses.fr/1996PA112156.
Guyot-Delaurens, Frédérique. "Application de la méthode particulaire déterministe à la simulation du modèle cinétique de dispositifs électroniques inhomogène unidimensionnels". Palaiseau, Ecole polytechnique, 1990. http://www.theses.fr/1990EPXX0001.
Ikardouchene, Syphax. "Analyses expérimentale et numérique de l'interaction departicules avec un jet d'air plan impactant une surface.Application au confinement particulaire". Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC1046.
The thesis aims to qualify the containment barriers for particles. Specifically, it aims to develop, characterize and improve particulate confinement barriers by jets of air placed at the periphery of abrasive rotating machines used to scour the surfaces containing asbestos
Douillet-Grellier, Thomas. "Etude comparative des méthodes d'origine particulaire SPH et LBM pour la simulation d'écoulements polyphasiques intermittents dans des conduites". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLN030/document.
The main objective of this thesis is to study the contributions and limitations of two particle- based methods, SPH and LBM, for the simulation of slug flows in pipes. In the petroleum industry, these flow regimes, found for example during the transportation of oil and gas from reservoirs to refinery facilities through pipelines, are highly undesirable because they are known to damage facilities and to reduce flow efficiency. Therefore, it is important to understand its formation. We have implemented both methods, as well as their multiphase variants, and have led a validation and comparison campaign in order to to select the most suited method and to continue with simulations of more applied and realistic cases. The main contributions of this work can summarized in 3 points. First, we had to write the necessary computation codes, validate them and compare the different multiphase formulations available for SPH and LBM. Then, we have developed inlet/outlet boundary conditions adapted to the multiphase context so that we are able to inject fluids with prescribed velocities and let them exit he domain with a given pressure. Finally, we have simulated different academic test cases of slug flows with SPH and LBM and then on applied cases with realistic geometries and air-water like density and viscosity ratios with SPH only
Libri sul tema "Simulation particulaire":
Zohdi, Tarek I. An introduction to modeling and simulation of particulate flows. Philadelphia, PA: Society for Industrial and Applied Mathematics, 2007.
Randall, Clive William. The application of contact mechanics to the numerical simulation of particulate material. Birmingham: Aston University. Department of Civil Engineering, 1989.
Davidson, Moreira, e Vilhena Marco, a cura di. Air pollution and turbulence: Modeling and applications. Boca Raton: Taylor & Francis, 2010.
Flanagan, Thomas Bernard. Signal controlled roundabouts: An investigation into the efficiency of signal controlled roundabouts utilizing simulation techniques with particular reference to junctions with three approaches. Bradford, England: University of Bradford, 1987.
Office, General Accounting. Air pollution: EPA's actions to resolve concerns with the fine particulate monitoring program : report to the Chairman, Subcommittee on VA, HUD, and Independent Agencies, Committee on Appropriations, House of Representatives. [Washington, D.C.]: The Office, 1999.
Lenhard, Johannes. Computer Simulation. A cura di Paul Humphreys. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199368815.013.42.
Allen, Michael P., e Dominic J. Tildesley. Some tricks of the trade. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198803195.003.0005.
Birks, Daniel. Computer Simulations. A cura di Gerben J. N. Bruinsma e Shane D. Johnson. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780190279707.013.36.
Zohdi, T. I. An Introduction to Modeling and Simulation of Particulate Flows (Computational Science and Engineering). SIAM, Society for Industrial and Applied Mathematics, 2007.
Computational Fluid And Particle Dynamics In The Human Respiratory System. Springer, 2012.
Capitoli di libri sul tema "Simulation particulaire":
Ueda, Kyohei, Yoshikazu Tanaka, Anurag Sahare, Ahmed Elgamal, Zhijian Qiu, Rui Wang, Tong Zhu et al. "LEAP-ASIA-2019 Simulation Exercise: Comparison of the Type-B and Type-C Numerical Simulations with Centrifuge Test Results". In Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading II, 61–99. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-48821-4_3.
Herrmann, H. J. "Simulating Moving Granular Media". In Mobile Particulate Systems, 281–304. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-015-8518-7_18.
Walton, O. R. "Force Models for Particle-Dynamics Simulations of Granular Materials". In Mobile Particulate Systems, 367–80. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-015-8518-7_21.
Knepley, Matthew G., Vivek Sarin e Ahmed H. Sameh. "Parallel simulation of particulate flows". In Solving Irregularly Structured Problems in Parallel, 226–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0018542.
Savage, S. B. "Marginal Ice Zone Dynamics Modelled by Computer Simulations Involving Floe Collisions". In Mobile Particulate Systems, 305–30. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-015-8518-7_19.
Aktulga, H., V. Ravindra, A. Grama e S. Pandit. "Machine Learning Techniques in Reactive Atomistic Simulations". In Lecture Notes in Energy, 15–52. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-16248-0_2.
Helmig, Thorsten, Hui Liu, Simon Winter, Thomas Bergs e Reinhold Kneer. "Development of a Tool Temperature Simulation During Side Milling". In Lecture Notes in Production Engineering, 308–17. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34486-2_22.
Michaelides, Efstathios E. Stathis. "Numerical Modeling and Simulations". In Heat and Mass Transfer in Particulate Suspensions, 47–88. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5854-8_2.
Goddard, J. D., A. K. Didwania e X. Zhuang. "Computer Simulations and Experiment on the Quasi-Static Mechanics and Transport Properties of Granular Materials". In Mobile Particulate Systems, 261–80. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-015-8518-7_17.
Seakins, Paul, Arnaud Allanic, Adla Jammoul, Albelwahid Mellouki, Amalia Muñoz, Andrew R. Rickard, Jean-François Doussin et al. "Analysis of Chamber Data". In A Practical Guide to Atmospheric Simulation Chambers, 241–91. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22277-1_7.
Atti di convegni sul tema "Simulation particulaire":
CHERFILS, Jean-Marc, Louis BLONCE, Grégory PINON e Elie RIVOALEN. "Simulation en méthode particulaire des sollicitations hydrodynamiques d'ouvrages marins". In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2010. http://dx.doi.org/10.5150/jngcgc.2010.009-c.
CHERFILS, Jean-Marc, Grégory PINON e Elie RIVOALEN. "Simulation en méthode particulaire d'un écoulement de houle sur des ouvrages marins". In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.003-c.
Bedi, Tanya Kaur, e Shankha Pratim Bhattacharya. "Indoor air quality assessment based on particulate matter contamination". In 2023 Building Simulation Conference. IBPSA, 2023. http://dx.doi.org/10.26868/25222708.2023.1351.
Konstandopoulos, Athanasios G., Margaritis Kostoglou, Nickolas Vlachos e Evdoxia Kladopoulou. "Progress in Diesel Particulate Filter Simulation". In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-0946.
Pagalthivarthi, Krishnan V., John M. Furlan e Robert J. Visintainer. "Finite Element Prediction of Multi-Size Particulate Flow Through Three-Dimensional Pump Casing". In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-31129.
Matthew Evans, T., e Jeremy Kress. "Discrete Simulations of Particulate-Structure Interactions". In Geo-Frontiers Congress 2011. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41165(397)435.
Walther, Jens H., Julian T. Sagredo e Petros Koumoutsakos. "SIMULATION OF PARTICULATE FLOWS USING VORTEX METHODS". In Selected Papers of the First International Conference on Vortex Methods. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793232_0020.
Hao, Zuoxin. "CFD Simulation of Segregation in Particulate Multiphase Flows With Binary Solids". In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77375.
Shimazaki, Yasuhiro. "Three-dimensional Numerical Simulation of Gas-particulate Flow around Breathing Human and Particulate Inhalation". In FLOW DYNAMICS: The Second International Conference on Flow Dynamics. AIP, 2006. http://dx.doi.org/10.1063/1.2204538.
Acri, A., M. Kronbichler, A. Garcia, P. Díez e W. Wall. "On Solid-Fluid Mixture Models for High Particulate Volume Fractions". In 10th International Conference on Adaptative Modeling and Simulation. CIMNE, 2021. http://dx.doi.org/10.23967/admos.2021.065.
Rapporti di organizzazioni sul tema "Simulation particulaire":
Pullammanappallil, Pratap, Haim Kalman e Jennifer Curtis. Investigation of particulate flow behavior in a continuous, high solids, leach-bed biogasification system. United States Department of Agriculture, gennaio 2015. http://dx.doi.org/10.32747/2015.7600038.bard.
Bauer, Andrew. In situ and time. Engineer Research and Development Center (U.S.), dicembre 2022. http://dx.doi.org/10.21079/11681/46162.
Hayashi, Hidemitsu, e Shuichi Kubo. Computer Simulation Study on Deposition of Soot Particles in Diesel Particulate Filter. Warrendale, PA: SAE International, settembre 2005. http://dx.doi.org/10.4271/2005-08-0496.
Krispin, Jacob, Mark Potts, Brady Brown, Ralph Ferguson e James Collins. High-Order Godunov Schemes for Multiphase Gas-Particulate Flowfield Modeling and Simulation. Fort Belvoir, VA: Defense Technical Information Center, settembre 2000. http://dx.doi.org/10.21236/ada385335.
Semerikov, Serhiy O., Illia O. Teplytskyi, Yuliia V. Yechkalo e Arnold E. Kiv. Computer Simulation of Neural Networks Using Spreadsheets: The Dawn of the Age of Camelot. [б. в.], novembre 2018. http://dx.doi.org/10.31812/123456789/2648.
Peter J. Mucha. Final Report: Model interacting particle systems for simulation and macroscopic description of particulate suspensions. Office of Scientific and Technical Information (OSTI), agosto 2007. http://dx.doi.org/10.2172/939459.
Dodd, Brandon, Osama Ennasr, Amir Naser, Charles Ellison, Jason Ray, Garry Glaspell e Anton Netchaev. Mapping and localization within a mock sewer system. Engineer Research and Development Center (U.S.), settembre 2023. http://dx.doi.org/10.21079/11681/47616.
Boysen-Urban, Kirsten, Hans Grinsted Jensen e Martina Brockmeier. Extending the GTAP Data Base and Model to Cover Domestic Support Issues using the EU as Example. GTAP Technical Paper, giugno 2014. http://dx.doi.org/10.21642/gtap.tp35.
Vergara, Rodrigo, e Sebastián Edwards. Fiscal Sustainability, Debt Dynamics and Debt Relief: The Cases of Nicaragua and Honduras. Inter-American Development Bank, dicembre 2002. http://dx.doi.org/10.18235/0009172.
Daniellou, François. Taking account of human and organisational factors in planning and designing a high risk system. Fondation pour une culture de sécurité industrielle, luglio 2021. http://dx.doi.org/10.57071/381ynz.