Most cited papers (RSCI)

261. Prokhorov I.V., Zhuplev A.S.
     On the efficiency of the maximum cross section method in radiation transport theory
     Computer Research and Modeling, 2013, v. 5, no. 4, pp. 573-582

     We consider two versions of the maximum cross section method for the solutions of the stationary equation of radiative transfer in dimensional inhomogeneous medium. Both are based on the application Monte-Carlo method to the summation of the Neumann series for the solution transport equation. First modification is traditional and second is based on the use of branching Markov chains. We carried out numerical comparison of these algorithms.

     Keywords: radiation transfer equation, Monte-Carlo algorithms, maximum cross section method.
     Views (last year): 4. Citations: 2 (RSCI).
262. Platonov D.V., Minakov A.V., Dekterev A.A., Sentyabov A.V.
     Numerical modeling of flows with flow swirling
     Computer Research and Modeling, 2013, v. 5, no. 4, pp. 635-648

     This paper is devoted to investigation of the swirl flows. Such flows are widely used in various industrial processes. Swirl flows can be accompanied by time-dependent effects, for example, precession of the vortex core. In turn, the large-scale fluctuations due to the precession of the vortex can cause damage of structures and reduce of equipment reliability. Thus, for engineering calculations approaches that sufficiently well described such flows are required. This paper presents the technique of swirl flows calculation, tested for CFD packages Fluent and SigmaFlow. A numerical simulation of several swirl flow test problems was carried out. Obtained results are compared with each other and with the experimental data.

     Keywords: computational fluid dynamics, FLUENT, SIGMAFLOW, Navier-Stokes equations, modeling, turbulent flow.
     Views (last year): 4. Citations: 2 (RSCI).
263. Bruyaka V.A., Grinev A.M., Remnev V.V., Smorkalov D.V.
     Modelling of an effluence of drilling fluid from hydraulic holes of PDC bits
     Computer Research and Modeling, 2013, v. 5, no. 4, pp. 649-658

     In this article some results of mathematic modelling of an effluence of drilling fluid from hydraulic holes of PDC bit are presented. Distribution of velocity and pressure in borehole bottom are received, and erosion of interior surface of hydraulic channel of PDC bit is researched.

     Keywords: PDC bit, flushing-out of well, submerged jet, modelling.
     Views (last year): 5. Citations: 2 (RSCI).
264. Zlenko D.V., Stovbun S.V.
     Liquid Heptane and Cylcohexane Properties Modeling
     Computer Research and Modeling, 2013, v. 5, no. 5, pp. 813-820

     The models of liquid heptane and cyclohexane has been developed. The properties of model liquids appear to be in a good agreement with a properties of real liquids. X-Ray diffraction spectra of model liquids were also in a good agreement with experimental ones. Radial distribution functions analysis allows us to reveal a crucial molecular feature of cyclohexane. Isometric molecules of cyclohexane are packed more tightly and regular. Tight packing lead to the free volume deficiency, which could explain increased viscosity and melting temperature of cyclohexane.

     Keywords: cyclohexane, molecular modeling, gas-like crystal, radial distribution function.
     Views (last year): 3. Citations: 2 (RSCI).
265. Golomazov M.M.
     Simulation of asteroid braking in the Earth atmosphere
     Computer Research and Modeling, 2013, v. 5, no. 6, pp. 917-926

     This article is investigated phenomenon of asteroid braking in neighborhood Chelyabinsk. Simulation of trajectory and asteroid basic parameters is accomplished on the basis of not numerous fixed video film and measurements. Calculation of hypersonic flow around asteroid is carried out before and after asteroid collapse. Possible version of asteroids synchronous braking is discussed. Trajectory data and gas dynamic functions are presented as data for definition of asteroid collapse.

     Keywords: trajectory, hypersonic flow, blunt body.
     Views (last year): 4. Citations: 2 (RSCI).
266. Nikitin I.S., Filimonov A.V., Yakushev V.L.
     Propagation of Rayleigh waves at oblique impact of the meteorite about the earth’s surface and their effects on buildings and structures
     Computer Research and Modeling, 2013, v. 5, no. 6, pp. 981-992

     In this paper the dynamic elasticity problem of the simultaneous normal and tangential impact on the half-space is solved. This problem simulates the oblique incidence of meteorite on the Earth’s surface. The surface Rayleigh wave is investigated. The resulting solution is used as an external effect on the high-rise building, located at some distance from the spot of falling for the safety and stability assessment of its structure. Numerical experiments were made based on the finite element software package STARK ES. Upper floors amplitudes of the selected object were calculated under such dynamic effects. Also a systematic comparison with the results at the foundation vibrations, relevant to  standard a 8-point earthquake accelerograms, was made.

     Keywords: Rayleigh wave, meteorite, earthquake.
     Views (last year): 3. Citations: 2 (RSCI).
267. Sivunov A.V., Maslovskaya A.G.
     Numerical simulation of charging processes at ferroelectric diagnostics with scanning electron microscopy techniques
     Computer Research and Modeling, 2014, v. 6, no. 1, pp. 107-118

     An algorithm of applied problem solving was described to calculate electrical characteristics of electrical field effects in ferroelectrics electron-beam charged. The algorithm was based on implementation of the deterministic model using finite element method as well as taking into account Monte-Carlo simulation results of electron transport. The program application was developed to perform computing experiments.

     Keywords: mathematical model, algorithm, ferroelectric, electron irradiation, charging processes, finite element method, Monte-Carlo method.
     Citations: 2 (RSCI).
268. Ivanov S.I., Matasov A.V., Menshutina N.V.
     Deformation model of polymer nanocomposites based on cellular automata
     Computer Research and Modeling, 2014, v. 6, no. 1, pp. 131-136

     This paper discusses the modeling of the deformation of polymer nanocomposites containing "hard" and "soft" inclusions, using cellular automata and parallel computing. The paper describes an algorithm based on the model, a comparison with experimental data is shown, software for the numerical experiment is described.

     Keywords: сellular automata, parallel computing, deformation, simulation.
     Views (last year): 3. Citations: 2 (RSCI).
269. Skalko Y.I.
     Correct conditions on the boundary separating subdomains
     Computer Research and Modeling, 2014, v. 6, no. 3, pp. 347-356

     This paper presents definition and solution problem of correct conditions on the boundary, separating subdomains for hyperbolic linear equation systems. The solution algorithm is demonstrated by means of an example system of elastodynamic equations for two spatial variables. Stated approach can be easily expanded on systems of first-order linear hyperbolic equations with random number of spatial variables.

     Keywords: elastodynamic equations, Riemann problem, characteristics, Riemann invariants, plane waves.
     Views (last year): 2. Citations: 2 (RSCI).
270. Priadein R.B., Stepantsov M.Y.
     On a possible approach to a sport game with continuous time simulation
     Computer Research and Modeling, 2014, v. 6, no. 3, pp. 455-460

     This paper is dedicated to discussing methods of statistical modeling the outcomes of sport events and, particularly, matches with continuous time. We propose a simulation-based approach to predicting the outcome of a match, somehow medium between pure statistical methods and agent simulation of individual players. An example of retrospective prediction is given.

     Keywords: mathematical modeling, simulation, statistical modeling, sport events.
     Views (last year): 3. Citations: 2 (RSCI).

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