Bibliographies thématiques / High-resolution simulation

Littérature scientifique sur le sujet « High-resolution simulation »

Auteur : Grafiati
Publié le 11 mars 2023

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Articles de revues sur le sujet "High-resolution simulation"

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Pellegrino, Mattia, Gianfranco Lombardo, Stefano Cagnoni et Agostino Poggi. « High-Performance Computing and ABMS for High-Resolution COVID-19 Spreading Simulation ». Future Internet 14, no 3 (11 mars 2022) : 83. http://dx.doi.org/10.3390/fi14030083.

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This paper presents an approach for the modeling and the simulation of the spreading of COVID-19 based on agent-based modeling and simulation (ABMS). Our goal is not only to support large-scale simulations but also to increase the simulation resolution. Moreover, we do not assume an underlying network of contacts, and the person-to-person contacts responsible for the spreading are modeled as a function of the geographical distance among the individuals. In particular, we defined a commuting mechanism combining radiation-based and gravity-based models and we exploited the commuting properties at different resolution levels (municipalities and provinces). Finally, we exploited the high-performance computing (HPC) facilities to simulate millions of concurrent agents, each mapping the individual’s behavior. To do such simulations, we developed a spreading simulator and validated it through the simulation of the spreading in two of the most populated Italian regions: Lombardy and Emilia-Romagna. Our main achievement consists of the effective modeling of 10 million of concurrent agents, each one mapping an individual behavior with a high-resolution in terms of social contacts, mobility and contribution to the virus spreading. Moreover, we analyzed the forecasting ability of our framework to predict the number of infections being initialized with only a few days of real data. We validated our model with the statistical data coming from the serological analysis conducted in Lombardy, and our model makes a smaller error than other state of the art models with a final root mean squared error equal to 56,009 simulating the entire first pandemic wave in spring 2020. On the other hand, for the Emilia-Romagna region, we simulated the second pandemic wave during autumn 2020, and we reached a final RMSE equal to 10,730.11.
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D�qu�, M., et J. Ph Piedelievre. « High resolution climate simulation over Europe ». Climate Dynamics 11, no 6 (1 août 1995) : 321–39. http://dx.doi.org/10.1007/s003820050079.

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Herrmannsfeldt, W. B., Reinard Becker, Ivor Brodie, Arne Rosengreen et C. A. Spindt. « High-resolution simulation of field emission ». Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment 298, no 1-3 (décembre 1990) : 39–44. http://dx.doi.org/10.1016/0168-9002(90)90595-w.

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McCoy, J. M., et P. A. Maksym. « Simulation of high-resolution REM images ». Surface Science 298, no 2-3 (décembre 1993) : 468–72. http://dx.doi.org/10.1016/0039-6028(93)90062-o.

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Déqué, M., et J. Ph Piedelievre. « High resolution climate simulation over Europe ». Climate Dynamics 11, no 6 (août 1995) : 321–39. http://dx.doi.org/10.1007/bf00215735.

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O'Keefe, Michael A. « Advances in image simulation for high-resolution TEM ». Proceedings, annual meeting, Electron Microscopy Society of America 53 (13 août 1995) : 38–39. http://dx.doi.org/10.1017/s0424820100136568.

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The original high-resolution transmission electron microscope (HRTEM) image simulation program was written as a tool to confirm interpretation of HRTEM images of niobium oxides. Thorough testing on known structures showed that image simulation could reliably duplicate the imaging process occurring in the HRTEM, and could thus be confidently used to interpret images of unknown structures. Mainstream application of image simulation to routine structure determination by HRTEM was ushered in by the establishment of the wide applicability of the SHRLI (simulated high-resolution lattice image) programs. Structure determination of the mineral takéuchiite by HRTEM and image simulation was the first such determination accepted by the KJCr without x-ray data. Of course, once the reliability of image simulation had been established, it was realized that the technique could be put to work for applications other than structure determination. Early on, simulations were used to explore various HRTEM imaging parameters, including specimen ionicity, validity of the projection approximation, and the resolutionlimiting effects of incident-beam convergence. Since the inception of HRTEM image simulation, its range of uses has continued to expand, and so has the number of programs available; distribution of the SHRLI code spawned improved versions as well as some new programs.
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Lüthi, Samuel, Nikolina Ban, Sven Kotlarski, Christian R. Steger, Tobias Jonas et Christoph Schär. « Projections of Alpine Snow-Cover in a High-Resolution Climate Simulation ». Atmosphere 10, no 8 (13 août 2019) : 463. http://dx.doi.org/10.3390/atmos10080463.

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The recent development of high-resolution climate models offers a promising approach in improving the simulation of precipitation, clouds and temperature. However, higher grid spacing is also a promising feature to improve the simulation of snow cover. In particular, it provides a refined representation of topography and allows for an explicit simulation of convective precipitation processes. In this study we analyze the snow cover in a set of decade-long high-resolution climate simulation with horizontal grid spacing of 2.2 km over the greater Alpine region. Results are compared against observations and lower resolution models (12 and 50 km), which use parameterized convection. The simulations are integrated using the COSMO (Consortium for Small-Scale Modeling) model. The evaluation of snow water equivalent (SWE) in the simulation of present-day climate, driven by the ERA-Interim reanalysis, against an observational dataset, reveals that the high-resolution simulation clearly outperforms simulations with grid spacing of 12 and 50 km. The latter simulations underestimate the cumulative amount of SWE over Switzerland over the whole annual cycle by 33% (12 km simulation) and 56% (50 km simulation) while the high-resolution simulation shows a spatially and temporally averaged difference of less than 1%. Scenario simulations driven by GCM MPI-ESM-LR (2081–2090 RCP8.5 vs. 1991–2000) reveal a strong decrease of SWE over the Alps, consistent with previous studies. Previous studies had found that the relative decrease becomes gradually smaller with elevation, but this finding was limited to low and intermediate altitudes (as a 12 km simulation resolves the topography up to 2500 m). In the current study we find that the height gradient reverses sign, and relative reductions in snow cover increases above 3000 m asl, where important parts of the cryosphere are present. In addition, the simulations project a transition from permanent to seasonal snow cover at high altitudes, with potentially important impacts to Alpine permafrost. This transition and the more pronounced decline of SWE emphasize the value of the higher grid spacing. Overall, we show that high-resolution climate models offer a promising approach in improving the simulation of snow cover in Alpine terrain.
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Afrizal, Tomi, et Chinnawat Surussavadee. « High-Resolution Climate Simulations in the Tropics with Complex Terrain Employing the CESM/WRF Model ». Advances in Meteorology 2018 (30 décembre 2018) : 1–15. http://dx.doi.org/10.1155/2018/5707819.

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This study evaluates the high-resolution climate simulation system CESM/WRF composed of the global climate model, Community Earth System Model (CESM) version 1, and the mesoscale model, Weather Research and Forecasting Model (WRF), for simulating high-resolution climatological temperature and precipitation in the tropics with complex terrain where temperature and precipitation are strongly inhomogeneous. The CESM/WRF climatological annual and seasonal precipitation and temperature simulations for years 1980–1999 at 10 km resolution for Sumatra and nearby regions are evaluated using observations and the global climate reanalysis ERA-Interim (ERA). CESM/WRF simulations at 10 km resolution are also compared with the downscaled reanalysis ERA/WRF at 10 km resolution. Results show that while temperature and precipitation patterns of the original CESM are very different from observations, those for CESM/WRF agree well with observations. Resolution and accuracies of simulations are significantly improved by dynamically downscaling CESM using WRF. CESM/WRF can simulate locations of very cold temperature at mountain peaks well. The high-resolution climate simulation system CESM/WRF can provide useful climate simulations at high resolution for Sumatra and nearby regions. CESM/WRF-simulated climatological temperature and precipitation at 10 km resolution agree well with ERA/WRF. This suggests the use of CESM/WRF for climate projections at high resolution for Sumatra and nearby regions.
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MA, TianBao, FanJie MA, Ping LI et Jian LI. « High-resolution numerical simulation of detonation diffraction ». SCIENTIA SINICA Technologica 51, no 3 (1 mars 2021) : 281–92. http://dx.doi.org/10.1360/sst-2020-0484.

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Sommer, Alexander, Ulrich Schwanecke et Elmar Schoemer. « Interactive High-Resolution Simulation of Granular Material ». Journal of WSCG 30, no 1-2 (2022) : 9–15. http://dx.doi.org/10.24132/jwscg.2022.2.

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We introduce a particle-based simulation method for granular material in interactive frame rates. We divide the simulation into two decoupled steps. In the first step, a relatively small number of particles is accurately simulated with a constraint-based method. Here, all collisions and the resulting friction between the particles are taken into account. In the second step, the small number of particles is significantly increased by an efficient sampling algorithm without creating additional artifacts. The method is particularly robust and allows relatively large time steps, which makes it well suited for real-time applications. With our method, up to 500k particles can be computed in interactive frame rates on consumer CPUs without relying on GPU support for massive parallel computing. This makes it well suited for applications where a lot of GPU power is already needed for render tasks.
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Thèses sur le sujet "High-resolution simulation"

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Eilertsen, Gabriel. « High-resolution simulation and rendering of gaseous phenomena from low-resolution data ». Thesis, Linköpings universitet, Medie- och Informationsteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-70269.

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Numerical simulations are often used in computer graphics to capture the effects of natural phenomena such as fire, water and smoke. However, simulating large-scale events in this way, with the details needed for feature film, poses serious problems. Grid-based simulations at resolutions sufficient to incorporate small-scale details would be costly and use large amounts of memory, and likewise for particle based techniques. To overcome these problems, a new framework for simulation and rendering of gaseous phenomena is presented in this thesis. It makes use of a combination of different existing concepts for such phenomena to resolve many of the issues in using them separately, and the result is a potent method for high-detailed simulation and rendering at low cost. The developed method utilizes a slice refinement technique, where a coarse particle input is transformed into a set of two-dimensional view-aligned slices, which are simulated at high resolution. These slices are subsequently used in a rendering framework accounting for light scattering behaviors in participating media to achieve a final highly detailed volume rendering outcome. However,the transformations from three to two dimensions and back easily introduces visible artifacts, so a number of techniques have been considered to overcome these problems, where e.g. a turbulence function is used in the final volume density function to break up possible interpolation artifacts.
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Romero, Cindy G. « High Resolution Simulation of Synthetic Aperture Radar Imaging ». DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/345.

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The goal of this Master’s thesis is to develop a more realistic simulation of Synthetic Aperture Radar (SAR) that has the ability to image detailed targets, and that can be used for Automatic Target Recognition (ATR). This thesis project is part of ongoing SAR ATR research at California Polytechnic State University (Cal Poly) sponsored by Raytheon Space & Airborne Systems and supervised by Dr. John Saghri. SAR is a form of radar that takes advantage of the forward motion of an antenna mounted on a moving platform (such as an airplane or spacecraft) to synthetically produce the effect of a longer antenna. Since most SAR images used for military ATR are classified and not available to the general public, all academic research to date on ATR has been limited to a small data set of Moving and Stationary Target Acquisition and Recognition Radar (MSTAR) images. Due to the unavailability of radar equipment or a greater range of SAR data, it has been necessary to create a SAR image generation scheme in which the parameters of the radar platform can be directly modified and controlled to be used for ATR applications. This thesis project focuses on making several improvements to Matthew Schlutz’s ‘Synthetic Aperture Radar Imaging Simulated in Matlab’ thesis. First, the simulation is optimized by porting the antenna pattern and echo generator from Matlab to C++, and the efficiency of the code is improved to reduced processing time. A three-dimensional (3-D) graphics application called Blender is used to create and position the target models in the scene imaged by the radar platform and to give altitude, target range (range of closest approach from the platform to the center area of the target) and elevation angle information to the radar platform. Blender allows the user to take pictures of the target as seen from the radar platform, and outputs range information from the radar platform plane to each point in the image. One of the major advantages of using Blender is that it also outputs range and reflectivity information about each pixel in the image. This is a significant characteristic that was hardcoded in the previous theses, making those simulations less realistic. For this thesis project, once the target scene is created in Blender, an image is rendered and saved as an OpenEXR file. The image is rendered in orthographic mode, which is a form of projection whereby the target plane is parallel with the projection plane. This parameter means that the simulation cannot image point targets that appear and disappear during the platform motion. The echo generation program then uses the range and reflectivity obtained from the OpenEXR file, the optimized antenna pattern, and several other user defined parameters to create the echo (received signal). Once the echo is created in the echo generation program, it is then read into Matlab in order for it to go through the Range Doppler Algorithm (RDA) and then output the final SAR image.
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Saunders, II Charles Phillip. « High Resolution Imaging Ground Penetrating Radar Design and Simulation ». Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/47806.

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This paper describes the design and simulation of a microwave band, high resolution imaging ground penetrating radar. A conceptual explanation is given on the mechanics of wave-based imaging, followed by the governing radar equations. The performance specifications for the imaging system are given as inputs to the radar equations, which output the full system specifications. Those specifications are entered into a MATLAB simulation, and the simulation results are discussed with respect to both the mechanics and the desired performance. Finally, this paper discusses limitations of the design, both with the simulations and anticipated issues if the device is fully realized.
Master of Science
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Warhola, Paul J. « An analysis of alternative methods to conduct high-resolution activities in a variable-resolution simulation ». Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1997. http://handle.dtic.mil/100.2/ADA337495.

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Piotrowski, Jesse Alex. « Development of a high-resolution two-dimensional urban/rural flood simulation ». Thesis, University of Iowa, 2010. https://ir.uiowa.edu/etd/574.

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Numerical modeling of extreme flooding in an urban area in eastern Iowa is presented. Modeling is performed using SRH-2D, an unstructured grid, finite volume model that solves the depth-averaged shallow-water equations. Data from a photogrammetric stereo compilation, contour maps, a hydrographic survey and building records were used to create a digital elevation model depicting the river channel and floodplain. A spatially distributed Manning coefficient based on land cover classification, derived from aerial photography is also used. The model is calibrated with high-resolution inundation depth data derived from a 1 m light detection and ranging survey, collected during the falling limb of the flood hydrograph, and discrete global positioning system measurements of water surface elevation at a bankfull condition. The model is validated with discrete high water marks collected immediately after the flood event. Results show the model adequately represents the water surface elevation in the main channel and floodplain and that exclusion of the discharges from minor creeks did not affect simulation accuracy. Reach scale results are not affected by the presence of buildings, but local inconsistencies occur in shallow water if buildings are not removed from the mesh. An unsteady hydrograph approximates flood hydrodynamics better than a steady-state simulation, but extreme computation time is not feasible for most investigations. The two-dimensional model was also compared to a comparable one-dimensional model of the study reach. The 1D model suffered from an inability to accurately predict inundation depth throughout the entire study area.
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Tang, Dong. « Studies of computer aided image interpretaion in high resolution electron microscopy ». Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240064.

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Coville, Michael Paul. « A methodology for validation of high resolution combat models ». Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/23305.

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Approved for public release; distribution is unlimited
Senior officers in the United States Army have a high degree of confidence that National Training Center simulated combat results are representative, under similar circumstances, of actual combat. A validation methodology for high resolution combat models, primarily based on data acquired from the National Training Center, is the focus of this thesis. The validation methodology, where appropriate, translates confidence in National Training Center realism, to confidence in the combat model. Theoretical issues, existing methodologies, and the impact of model purpose are considered in this research. The final product is a validation methodology that makes use of a realistic representation of combat, automatically updates validation criteria to account for changes in weapons and tactics, and is responsive to the purpose for which the model was designed.
http://archive.org/details/methodologyforva00covi
Captain, United States Army
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Siu, Christopher E. « Simulating Epidemics and Interventions on High Resolution Social Networks ». DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2051.

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Mathematical models of disease spreading are a key factor of ensuring that we are prepared to deal with the next epidemic. They allow us to predict how an infection will spread throughout a population, thereby allowing us to make intelligent choices when attempting to contain the disease. Whether due to a lack of empirical data, a lack of computational power, a lack of biological understanding, or some combination thereof, traditional models must make sweeping assumptions about the behavior of a population during an epidemic. In this thesis, we implement granular epidemic simulations using a rich social network constructed from real-world interactions. We develop computational models for three diseases, and we use these simulations to demonstrate the effects of twelve potential intervention strategies, both before and during a hypothetical epidemic. We show how representing a population as a temporal graph and applying existing graph metrics can lead to more effective interventions.
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Rice, Matthew Jason. « High Resolution Simulation of Laminar and Transitional Flows in a Mixing Vessel ». Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/27716.

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The present work seeks to fully investigate, describe and characterize the distinct flow regimes existing within a mixing vessel at various rotational speeds. This investigation is computational in nature and simulates the flow within a baffled tank containing a Rushton turbine of the standard configuration. For a Re based on impeller diameter and blade rotational speed (Re â ¡ Ï ND2/μ) the following flow regimes were identified and investigated in detail: Reverse/reciprocating flows at very low Re (<10); stalled flows at low Re (â 10); laminar pumping flow for higher Re and transitional pumping flow (10 squared < Re <10 to the 4th). For the three Re numbers 1, 10 and 28, it was found that for the higher Re number (28), the flow exhibited the familiar outward pumping action associated with radial impellers under turbulent flow conditions. However, as the Re number decreases, the net radial flow during one impeller revolution was reduced and for the lowest Re number a reciprocating motion with negligible net pumping was observed. In order to elucidate the physical mechanism responsible for the observed flow pattern at low Re, the forces acting on a fluid element in the radial direction were analyzed. Based on this analysis, a simplified quasi-analytic model of the flow was developed that gives a satisfactory qualitative, as well as quantitative representation of the flow at very low Re. Investigation of the transitional flow regime (Re â 3000) includes a compilation and characterization of ensemble and turbulent quantities such as the Reynolds stress components, dissipation length η and time scales Ï , as well a detailed investigation of the near-impeller flow and trailing vortex. Calculation and compilation of all terms in the turbulent kinetic energy transport equation was performed (including generation and the illusive turbulent pressure work). Specifically, the most important transport mechanism was turbulent convection/diffusion from the impeller disk-plane/trailing vortex region. Mean flow transport of turbulent kinetic energy was primarily towards the impeller disk-plane and radially outward from the trailing vortex region. The turbulent pressure work was found to partially counteract turbulent convection. Turbulent dissipation followed by turbulent viscous work were found to be the least important mechanism responsible for turbulent transport with both terms being maximized within the vortex region and at the disk-plane down-stream from the vortices.
Ph. D.
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Groom, Michael Robert. « Direct Numerical Simulation of Shock-Induced Turbulent Mixing with High-Resolution Methods ». Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/23721.

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Turbulent mixing evolving from the Richtmyer-Meshkov instability, also known as shock-induced turbulent mixing, is investigated using numerical simulations of fundamental test problems with high-resolution computational methods. An existing state-of-the-art implicit large eddy simulation algorithm for compressible multispecies flows is extended to include the effects of viscous dissipation, thermal conductivity and species diffusion by deriving a novel set of governing equations for binary mixtures. This allows for direct numerical simulations of shock-induced turbulent mixing to be performed for arbitrary gas mixtures cases where the ratio of specific heats may vary with mixture composition at much greater computational efficiency. Using direct numerical simulation, a detailed study is performed of the effects of Reynolds number on the transition to turbulence in shock-induced mixing evolving from narrowband initial conditions. Even though the turbulence in the highest Reynolds number case is not fully developed, a careful analysis shows that the high Reynolds number limit of several key quantities is able to be estimated from the present data. The mixing layer is also shown to be persistently anisotropic at all Reynolds numbers, which also has important consequences for modelling. At the time of writing, the highest Reynolds number case from this set of simulations is the highest achieved in any fully-resolved direct numerical simulations presented in the open literature for this class of problems. Implicit large eddy simulation is employed to investigate the influence of broadband initial conditions on the late-time evolution of a shock-induced turbulent mixing layer. Both the bandwidth of initial modes as well as their relative amplitudes are varied, showing that both the growth rate of the mixing layer width and the decay rate of fluctuating kinetic energy strongly depend on initial conditions. Finally, both implicit large eddy simulations and direct numerical simulations are performed of an idealised shock tube experiment to analyse the effects of additional long wavelength, low amplitude modes in the initial perturbation. These calculations represent the first direct numerical simulations performed of Richtmyer-Meshkov instability evolving from broadband initial conditions.
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Livres sur le sujet "High-resolution simulation"

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Bahl, Rajendar. Computer model of a high-resolution imaging sonar. Monterey, Calif : Naval Postgraduate School, 1990.

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D, Bates Paul, et Lane Stuart N, dir. High resolution flow modelling in hydrology and geomorphology. Chichester : John Wiley, 2000.

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1956-, Hamilton Kevin, et Ohfuchi Wataru 1963-, dir. High resolution numerical modelling of the atmosphere and ocean. New York : Springer, 2008.

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Kevin, Hamilton, et Wataru Ohfuchi 1963-, dir. High resolution numerical modelling in the atmosphere and ocean. New York : Springer, 2008.

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Kevin, Hamilton, et Wataru Ohfuchi 1963-, dir. High resolution numerical modelling in the atmosphere and ocean. New York : Springer, 2008.

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1956-, Hamilton Kevin, et Ohfuchi Wataru 1963-, dir. High resolution numerical modelling of the atmosphere and ocean. New York : Springer, 2008.

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Warhola, Paul J. An analysis of alternative methods to conduct high-resolution activities in a variable-resolution simulation. Monterey, Calif : Naval Postgraduate School, 1997.

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United States. National Aeronautics and Space Administration., dir. Technical development to improve satellite soundings over radiatively complex terrain : Final report to National Aeronautics and Space Administration : for the period of Sept. 1, 1982 - Nov. 30, 1984. Madison, Wis : Space Science and Engineering Center at the University of Wisconsin-Madison, 1985.

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Driels, Morris R. Prototype line of sight and target acquisition software for high resolution databases. Monterey, Calif : Naval Postgraduate School, 1995.

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Alexander, M. J. The gravity wave response above deep convection in a squall line simulation. [Washington, DC : National Aeronautics and Space Administration, 1995.

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Chapitres de livres sur le sujet "High-resolution simulation"

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Hanson, Graeme R., Christopher J. Noble et Simon Benson. « Molecular Sophe : An Integrated Approach to the Structural Characterization of Metalloproteins : The Next Generation of Computer Simulation Software ». Dans High Resolution EPR, 105–73. New York, NY : Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-84856-3_4.

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de Visser, Hans, Olivier Comas, David Conlan, Sébastien Ourselin, Josh Passenger et Olivier Salvado. « Deforming a High-Resolution Mesh in Real-Time by Mapping onto a Low-Resolution Physical Model ». Dans Biomedical Simulation, 135–46. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-70521-5_15.

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George, O., et R. Bahl. « Universal High Resolution Imaging Sonar Simulation Toolkit ». Dans Acoustical Imaging, 765–72. Boston, MA : Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2958-3_104.

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Tyler, David W., et Gary C. Loos. « Simulation study of a low-light-level wavefront sensor driving a low-order, near-IR adaptive optics system ». Dans Very High Angular Resolution Imaging, 308–10. Dordrecht : Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0880-5_54.

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Wehner, Michael F., Kevin A. Reed et Colin M. Zarzycki. « High-Resolution Multi-decadal Simulation of Tropical Cyclones ». Dans Hurricanes and Climate Change, 187–211. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-47594-3_8.

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Kilaas, Roar. « Image Simulation in High Resolution Transmission Electron Microscopy ». Dans Electron Crystallography, 115–30. Dordrecht : Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8971-0_8.

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von Rohden, C., A. Hauser, K. Wunderle, J. Ilmberger, G. Wittum et K. Roth. « Lake Dynamics : Observation and High-Resolution Numerical Simulation ». Dans Reactive Flows, Diffusion and Transport, 599–619. Berlin, Heidelberg : Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-28396-6_23.

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Self, Peter. « Chapter 3. HIGH-RESOLUTION IMAGE SIMULATION AND ANALYSIS ». Dans Minerals and Reactions at the Atomic Scale, sous la direction de Peter R. Buseck, 85–112. Berlin, Boston : De Gruyter, 1992. http://dx.doi.org/10.1515/9781501509735-007.

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Keuler, Klaus, Alexander Block et Eberhard Schaller. « High Resolution Climate Change Simulation for Central Europe ». Dans High Performance Computing in Science and Engineering ’03, 11–22. Berlin, Heidelberg : Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55876-4_2.

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Mohr, Viktoria, Thomas Schwitalla, Volker Wulfmeyer et Kirsten Warrach-Sagi. « High Resolution Climate Projections Using the WRF Model on the HLRS ». Dans Sustained Simulation Performance 2016, 173–84. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46735-1_14.

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Actes de conférences sur le sujet "High-resolution simulation"

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Andreev, A., et I. Kurnin. « X-ray Emission at High-Power Super-Short Laser Pulse Interaction with Dence Plasmas ». Dans High Resolution Fourier Transform Spectroscopy. Washington, D.C. : Optica Publishing Group, 1994. http://dx.doi.org/10.1364/hrfts.1994.mc7.

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Now many laboratories pay a great attention to investigation of ultrashort laser pulse-matter interaction. We consider this interaction with condenced targets in vacuum. In this paper the results of absorption and conversion efficiency into X-ray are presented for a broad range of experimental parameters. The situation is studied when the contrast of laser pulse is sufficiently high. We have developed a simulation code for investigation of this interaction by the solution of Vlasov-Fokker-Planck equation for electron distribution function. Our study of heating process of dense plasma predicts high heating rate of electrons due to heat conductivity inhibition in the regime of anomal skin effect. The most common regim of the normal skin effect with continuous density profile at the plasma-vacuum boundary has been studied via numerical simulations, using our code. We have presented the numerical results and the approximate analytical solutions of the P-polarized radiation absorption problem with the parameters of extinguishing and density lying in sufficiently broad ranges. Our results predict absorption efficiency values, which are in agreement with our and another numerical data and experimental results too. We include full radiation terms (bremsstrahlung, recombination and line mechanisms) in the description of the decay phase high dense plasma targets. The hydrodynamic simulations with radiation transport are conducted to study the X-ray emmission and plasma cooling after the end of the laser pulse. The conversion efficiency into X-rays is shown to fall with laser intensity for light target materials in conditions, when invers bremsstrahlung absorption is dominant. On the other hand, when anomalous absorption prevails and havy target material is used, the conversion efficiency increases with laser intensity.
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Tian, Wei, Adam Rysanek, Ruchi Choudhary et Yeonsook Heo. « High Resolution Energy Simulations At City Scale ». Dans 2015 Building Simulation Conference. IBPSA, 2015. http://dx.doi.org/10.26868/25222708.2015.2756.

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Coverdale, C. A., C. B. Darrow, B. A. Hammel, W. B. Mori, C. Decker, K. C. Tzeng, C. Joshi et C. Clayton. « Observation of Forward Raman Scattering and Energetic Electrons in High Intensity, Sub-Picosecond Laser, Underdense Plasma Interaction Experiments ». Dans High Resolution Fourier Transform Spectroscopy. Washington, D.C. : Optica Publishing Group, 1994. http://dx.doi.org/10.1364/hrfts.1994.pd4.

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Many theoretical and computer simulation results have been published recently involving the interaction of short pulse, high intensity lasers with underdense plasmas.1-4 This is a new regime in which to study laser-plasma interactions since the length of the laser pulse is shorter than the Rayleigh range of the laser and the length of the plasma (cτL< LR, Lp). Developments in laser technology over the last several years have made the experimental investigation of this regime possible. In this paper, we describe the first experimental observation of forward stimulated Raman scattering and energetic electrons from the interaction of a subpicosecond, high intensity laser with an underdense plasma.
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« High resolution tsunami inundation simulations ». Dans 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand, 2013. http://dx.doi.org/10.36334/modsim.2013.a4.roberts.

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Etienne-Cummings, Ralph, Dmitrii I. Gruev et Mathew Clapp. « High-resolution focal plane image processing ». Dans Aerospace/Defense Sensing, Simulation, and Controls, sous la direction de Bjorn F. Andresen, Gabor F. Fulop et Marija Strojnik. SPIE, 2001. http://dx.doi.org/10.1117/12.445322.

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Saylor, Annie V., Dwight A. McPherson, H. DeWayne Satterfield, William J. Sholes et Scott B. Mobley. « Common high-resolution MMW scene generator ». Dans Aerospace/Defense Sensing, Simulation, and Controls, sous la direction de Robert Lee Murrer, Jr. SPIE, 2001. http://dx.doi.org/10.1117/12.438082.

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von Lavante, E., et M. Kallenberg. « High resolution simulation of supersonic combustion ». Dans 32nd Joint Propulsion Conference and Exhibit. Reston, Virigina : American Institute of Aeronautics and Astronautics, 1996. http://dx.doi.org/10.2514/6.1996-3072.

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Bardsley, James N. « Commercial roadmaps for ultra-high-resolution displays ». Dans Aerospace/Defense Sensing, Simulation, and Controls, sous la direction de Darrel G. Hopper. SPIE, 2001. http://dx.doi.org/10.1117/12.439123.

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Ahner, Darryl, Arnold Buss et John Ruck. « Using a low-resolution entity model for shaping initial conditions for high- resolution combat models ». Dans 2007 Winter Simulation Conference. IEEE, 2007. http://dx.doi.org/10.1109/wsc.2007.4419742.

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« Global high-resolution reference potential evaporation ». Dans 21st International Congress on Modelling and Simulation (MODSIM2015). Modelling and Simulation Society of Australia and New Zealand, 2015. http://dx.doi.org/10.36334/modsim.2015.ozewex.spernaweiland.

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Rapports d'organisations sur le sujet "High-resolution simulation"

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Duffy, P. B. A High-Resolution Global Climate Simulation. Office of Scientific and Technical Information (OSTI), janvier 2001. http://dx.doi.org/10.2172/15013383.

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Wang, Cheng, Chi-Wang Shu, Wenhu Han et Jianguo Ning. High Resolution WENO Simulation of 3D Detonation Waves. Fort Belvoir, VA : Defense Technical Information Center, février 2012. http://dx.doi.org/10.21236/ada557716.

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Street, Robert L. High Resolution Parallel Coastal Ocean Modeling:a Large Eddy Simulation Tool. Fort Belvoir, VA : Defense Technical Information Center, août 2002. http://dx.doi.org/10.21236/ada626858.

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Berger, Marsha. Final report. High resolution CFD and modeling for Diesel engine simulation. Office of Scientific and Technical Information (OSTI), juillet 2002. http://dx.doi.org/10.2172/807697.

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Kilaas, R. Computer simulation of high resolution transmission electron micrographs : theory and analysis. Office of Scientific and Technical Information (OSTI), mars 1985. http://dx.doi.org/10.2172/5649044.

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Margot Gerritsen et Tony Kovscek. Experimental Investigation and High Resolution Simulation of In-Situ Combustion Processes. Office of Scientific and Technical Information (OSTI), avril 2008. http://dx.doi.org/10.2172/946139.

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Street, Robert L. High Resolution Parallel Coastal Ocean Modeling : a Large Eddy Simulation Tool. Fort Belvoir, VA : Defense Technical Information Center, septembre 2003. http://dx.doi.org/10.21236/ada620259.

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Chen, Shiyi, R. Kraichnan et C. Zemach. Studies of the structure of turbulence by high-resolution simulation and theory. Office of Scientific and Technical Information (OSTI), décembre 1998. http://dx.doi.org/10.2172/560866.

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Holt, Teddy R. High-Resolution Simulation Test Bed for the Urban and Complex Terrain Environment. Fort Belvoir, VA : Defense Technical Information Center, septembre 2003. http://dx.doi.org/10.21236/ada628620.

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DeLuca, Cecelia. COAMPS High Resolution Three-way Air-Ocean-Wave Hurricane Simulation. ESMF Annual Report 2009. Fort Belvoir, VA : Defense Technical Information Center, janvier 2010. http://dx.doi.org/10.21236/ada516674.

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