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361. "High performance computing in modeling the dynamics and seismicity of tectonic
... High performance computing in modeling the dynamics and seismicity of tectonic plate systems" . Melnikova L.A., Rozenberg V.L. A brief description of the spherical block-and-fault model of lithosphere dynamics and seismicity developed by the authors is presented. ... Keywords: block-and-fault models of lithosphere dynamics and seismicity, earthquake catalogs, parallel computing . PostScript (in Russian) (35.9MB) . PDF (in Russian) (1.12MB) . PostScript. zip (in Russian) (7.45MB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r130.html -- 3.2 Кб -- 09.04.2012
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362. "Parallelization technology for solving multiparameter inverse problems of
Parallelization technology for solving multiparameter inverse problems of chemical kinetics" . Gubaidullin I.M., Lind Yu.B., Koledina K.F. A united information-analytic system (IAS) for solving inverse problems of chemical kinetics on the basis of parallel computing technology is developed. ... Keywords: hydroalumination, cycloalumination, parallelization, information-analytic system, internal parallelism, multiparameter problems, full-scale experiment . PostScript (in Russian) (2.50MB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r205.html -- 3.3 Кб -- 03.04.2012
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363. "Mathematical modeling of radiative electron emission using hybrid
... Mathematical modeling of radiative electron emission using hybrid supercomputers" . Zhukovskiy M.E., Uskov R.V. Questions of developing the algorithms and the parallel codes for statistical modeling of X-ray and electron transport by the use of supercomputers of hybrid architecture are considered. ... Keywords: mathematical modeling, radiative electron emission, graphical processors, hybrid supercomputers . ... Zhukovskiy M.E. e-mail: zhuk@kiam.ru ; Uskov R.V. e-mail: roman.uskov@gmail.com ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r129.html -- 3.1 Кб -- 30.03.2012
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364. "Efficient numerical methods for the analysis of electromagnetic fields"
... Efficient numerical methods for the analysis of electromagnetic fields" . Knyazkov D.Yu. ... The performance and scalability analysis carried out for some numerical methods on MVS-100K JSCC RAS and MIIT T4700 clusters showed that these methods cannot be used when creating a real-size chip on the state-of-the-art HPC systems. ... This method allows calculating the Gabor hologram for the real-size chip topology on the existing clusters. ... PostScript (in Russian) (12.1MB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r128.html -- 3.1 Кб -- 30.03.2012
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365. "Supercomputer modeling of semiconductor quantum nanosystems"
... Supercomputer modeling of semiconductor quantum nanosystems" . Tkachenko O.A., Tkachenko V.A. Numerical research of electron transport and quantum effects in nanostructures often requires solving a number of large problems dependent on external parameters like temperature, magnetic field, chemical potential, or applied voltage. ... PostScript (in Russian) (54.6MB) . PDF (in Russian) (3.81MB) . ... Tkachenko O.A. e-mail: avisaeva@gmail.com ; Tkachenko V.A. e-mail: grachevea@gmail.com ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r127.html -- 3.3 Кб -- 26.03.2012
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366. "On restoration of noisy signals by a regularization method"
... On restoration of noisy signals by a regularization method" . Morozov V.A. The problem for restoration of noisy signals is treated as a problem of calculation of certain values for an unbounded operator. In this connection, a Tikhonov regularization method is used. ... Keywords: regularization, Hilbert space, unbounded operator, weak convergence, convergence in norm, Euler inequalities, Euler identities . ... Morozov V.A. e-mail: morozov@srcc.msu.su ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r126.html -- 3.3 Кб -- 20.03.2012
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367. "Application of high performance computing platforms to tomographic particle
Application of high performance computing platforms to tomographic particle image velocimetry" . Lozhkin V.A., Lozhkin Yu.A., Tokarev M.P. Tomographic particle image velocimetry (Tomo PIV) is a new method to study gas and liquid flow. ... One of the main problems of this measurement method is the high computing resource demands to its data processing algorithms. ... Keywords: tomography, particle image velocimetry, Tomo PIV, GPU, computing cluster, OpenCL, MPI, high performance computing . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r204.html -- 3.5 Кб -- 19.03.2012
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368. "Implementation of the lattice Boltzmann method on GPU clusters"
Implementation of the lattice Boltzmann method on GPU clusters" . Bikulov D.A., Senin D.S., Demin D.S., Dmitriev A.V., Grachev N.E. An implementation of the lattice Boltzmann method for the model D3Q19 on GPU clusters in the framework of the NVIDIA CUDA technology is considered. The scalability of this implementation for the Lomonosov MSU supercomputer complex is estimated. ... Keywords: lattice boltzmann method, CUDA, GPU, high performance computing . PostScript (in Russian) (1.05MB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r203.html -- 3.2 Кб -- 19.03.2012
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369. "Speedup of computation when solving the nonhomogeneous diffusion equation by a
... Speedup of computation when solving the nonhomogeneous diffusion equation by a renormalization method" . Makarov S.S., Isaeva A.V., Grachev E.A., Serdobolskaya M.L. A new approximate method of solving an initial-boundary value problem for the nonhomogeneous diffusion equation is proposed. ... The efficiency of the proposed method is estimated. ... Keywords: diffusion equation, numerical methods, renormalization . PostScript (in Russian) (4.77MB) . PDF (in Russian) (271KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r125.html -- 3.4 Кб -- 19.03.2012
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370. "Supercomputer technologies in the development of methods for solving inverse
... Supercomputer technologies in the development of methods for solving inverse problems in ultrasound tomography" . ... This paper deals with the development of efficient methods for solving inverse problems of wave tomography. An inverse problem is considered as a coefficient inverse problem for the wave equation. ... Keywords: inverse coefficient problems, wave equation, computer simulation, ultrasound tomography, parallel computing, supercomputer . PostScript (in Russian) (4.57MB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r124.html -- 2.9 Кб -- 11.03.2012
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371. "Solution of the optimal ship route problem in the framework of the OKEAN
... Solution of the optimal ship route problem in the framework of the OKEAN geoinformation system" . Ivanov B.N. An approach to the calculation of optimal ship routes under the meteorological conditions of navigation is considered. The problem is solved in the framework of the OKEAN geoinformation system. ... The optimal route search is performed in the framework of the constructed grid area. ... Keywords: location of grid area nodes, optimal ship route, shortest route . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r123.html -- 3.0 Кб -- 05.03.2012
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372. "Application of heterogeneous computing systems for solving the hydraulic
Application of heterogeneous computing systems for solving the problem of fluid flow by domain decomposition methods" . Tsepaev A.V. Numerical algorithms with domain decomposition are developed to solve the three-dimensional two-phase fluid flow problem. It is shown that these algorithms are efficient on heterogeneous computing systems. ... Keywords: decomposition methods, heterogeneous computing systems, CUDA, MPI, OpenMP . PostScript (in Russian) (927KB) . PDF (in Russian) (182KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r106.html -- 2.7 Кб -- 05.03.2012
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373. "Organization of quantum chemical computations using the Firefly package in a
Organization of quantum chemical computations using the Firefly package in a heterogeneous grid environment on the basis of the BOINC platform" . Nikitina N.N., Ivashko E.E. An experience of carrying a large number of computational experiments on the basis of a heterogeneous grid environment managed by the BOINC platform is considered. In order to perform the quantum chemical computations, the Firefly package is used. ... Keywords: BOINC, Firefly, distributed computing, grid . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r202.html -- 3.1 Кб -- 28.02.2012
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374. "Application of projection methods for studying the waveguide and resonance
... Application of projection methods for studying the waveguide and resonance structures with singularities" . Erokhin A.I. The waveguide and resonance structures with singularities are studied in the case when a waveguide has reentrant edges and a resonator contains a dielectric of axial-symmetric shape with a piecewise constant radius inside. ... Keywords: waveguide, resonator, reentrant edges, reentrant corners, projection methods . PostScript (in Russian) (822KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r120.html -- 2.8 Кб -- 27.02.2012
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375. "Methods of steepest and hypodifferential descent in one problem of calculus of
... Methods of steepest and hypodifferential descent in one problem of calculus of variations" . ... The constrained optimization problem under consideration is reduced using the technique of exact penalty functions to a problem of unconstrained optimization. In order to construct an exact penalty function, the "direct" numerical methods of steepest and hypodifferential descent are proposed. This work was supported by the Russian Foundation for Basic Research (project N 09-01-00360). ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r121.html -- 3.0 Кб -- 27.02.2012
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376. "Application of graphic processors for the numerical simulation of viscous
... Application of graphic processors for the numerical simulation of viscous incompressible fluid flows in domains of complex geometry by the immersed boundary method" . Mortikov E.V. An application of graphic processors for the numerical simulation of viscous incompressible fluid flows in domains of complex geometry is considered. The immersed boundary method is used to describe the curvilinear geometry on rectangular grids. ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r119.html -- 3.1 Кб -- 27.02.2012
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377. "The making of tools for the development of computational models for the
The making of tools for the development of computational models for the modeling of thermohydraulic processes in nuclear reactors with a liquid-metal heat carrier" . Osipov A.V. The problems related to the making of the system software for the computational code intended for the execution of thermohydraulic calculations of nuclear plants with a liquid-metal heat carrier are considered. ... The system (the constructor of calculation models) developed by the author is described. ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r201.html -- 3.4 Кб -- 21.02.2012
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378. "An iterative method for computing the flows of a viscoplastic Bingham medium"
... An iterative method for computing the flows of a viscoplastic Bingham medium" . Muravleva L.V., Muravleva E.A. A finite-difference scheme for computing the planar flows of a viscoplastic Bingham medium is considered. ... This work was partially supported by the Russian Foundation for Basic Research (projects 11-01-00181a and 09-01-00565a). Keywords: viscoplastic Bingham medium, variational inequalities, augmented Lagrange functional, iterative method, semi-staggered grids . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r117.html -- 3.5 Кб -- 20.02.2012
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379. "A numerical method of parameter reconstruction in the FitzHugh-Nagumo and
... A numerical method of parameter reconstruction in the FitzHugh-Nagumo and Aliev-Panfilov models" . Pavelchak I.A. An inverse problem for the FitzHugh-Nagumo and Aliev-Panfilov models describing the wave propagation in excitable media is considered. The problem consists in the reconstruction of model parameters using the measurements performed on the boundary of a plane domain. ... Keywords: FitzHugh-Nagumo and Aliev-Panfilov models, inverse problem, numerical methods . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r118.html -- 2.8 Кб -- 20.02.2012
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380. "On approximate open boundary conditions and their performance over long time
On approximate open boundary conditions and their performance over long time intervals" . Maikov A.R. The implementation of approximate open boundary conditions for the Klein-Gordon equation is discussed for the case of an initial-boundary problem on the quarter plane. ... Keywords: Klein-Gordon equation, initial boundary value problem on an unbounded domain, open boundary conditions, time-domain radiation boundary conditions . PostScript (in Russian) (2.70MB) . PDF (in Russian) (428KB) . ...
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Ссылки http://num-meth.srcc.msu.ru/english/zhurnal/tom_2012/v13r115.html -- 2.8 Кб -- 16.02.2012
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