Most cited papers (RSCI)

361. Moskalev P.V.
     Percolation modeling of hydraulic hysteresis in a porous media
     Computer Research and Modeling, 2014, v. 6, no. 4, pp. 543-558

     In this paper we consider various models of hydraulic hysteresis in invasive mercury porosimetry. For simulating the hydraulic hysteresis is used isotropic site percolation on three-dimensional square lattices with $(1,\,\pi)$-neighborhood. The relationship between the percolation model parameters and invasive porosimetry data is studied phenomenologically. The implementation of the percolation model is based on libraries SPSL and SECP, released under license GNU GPL-3 using the free programming language R.

     Keywords: invasive mercury porosimetry, hydraulic hysteresis, site percolation, square lattice, non-metric Minkowski distance, Moore neighborhood, mass fractal dimension, R programming language, SPSL package, SECP package.
     Views (last year): 3. Citations: 1 (RSCI).
362. Gorelova A.Y., Stiazhin V.N., Kristal M.G.
     Computer Simulation of the Acceleration of the Gyroscopic Device for Boring Head’s Position Stabilization
     Computer Research and Modeling, 2014, v. 6, no. 4, pp. 569-575

     Given paper covers the structure of the introduced device stabilizing the boring tool. The computer model of the hydrojet gyroscopic device is described; problem definition and the results of simulation are given.

     Keywords: deep hole boring, tool’s position stabilizing device.
     Views (last year): 1. Citations: 1 (RSCI).
363. Trifonenkov V.P., Kargovsky A.V.
     Cluster models of molecular motors: kinesin and myosin V
     Computer Research and Modeling, 2014, v. 6, no. 5, pp. 747-760

     We present a semiphenomenological model of the two molecular motors: kinesin and myosin V, which play a great role in intracellular transport. The temporal dynamics of changes in the characteristic geometric parameters and the elastic stresses generated during the movement of motors is studied. The rates of movement of kinesin and myosin V, and their dependence on the concentration of ATP are discussed.

     Keywords: molecular motors, myosin V, kinesin.
     Views (last year): 2. Citations: 1 (RSCI).
364. Aristov V.V., Ilyin O.V.
     Description of the rapid invasion processes by means of the kinetic model
     Computer Research and Modeling, 2014, v. 6, no. 5, pp. 829-838

     Recently many investigations have been devoted to theoretical models in new areas concerning description of different biological, sociological and historical processes. In the present paper we investigate the nazi Germany invasion in Poland, France and USSR from the kinetic theory point of view. We model this process with the Cauchy boundary problem for the two-element kinetic equations with spatial uniform initial conditions. The solution of the problem is given in the form of the traveling wave and the propagation velocity of a frontline depends on the quotient between initial forces concentrations. Moreover it is obtained that the general solution of the model can be obtained in terms of the quadratures and elementary functions. Finally it is shown that the frontline velocities are complied with the historical data.

     Keywords: kinetic theory, models of aggression.
     Views (last year): 4. Citations: 1 (RSCI).
365. Ovcharenko E.A., Klyshnikov K.U., Savrasov G.V., Nyshtaev D.V., Glushkova T.V.
     The choosing of optimal cell parameters of transcatheter aortic valve prosthesis
     Computer Research and Modeling, 2014, v. 6, no. 6, pp. 943-954

     This paper presents the analysis of dependences between frame basic cell geometry parameters and function via finite element analysis. The simplified models of frame cell with varied strut width, thickness and quantity in a circle was researched to evaluate radial forces, maximum stress and strain, permanent residual strain and pinching load forces. The outcomes of this study might help in the development of new artificial heart valves and during the analysis of existing in-clinical TAVI prostheses.

     Keywords: Valve prosthesis, aorta, FEA, cell.
     Views (last year): 1. Citations: 1 (RSCI).
366. Yudin I.P., Panacik V.A., Perepelkin E.E., Petersky A.N., Polyakova R.V.
     Peculiar features of numerical modeling of the modified spectrometer magnet field
     Computer Research and Modeling, 2015, v. 7, no. 1, pp. 93-105

     In this work, we propose a method of the numerical solution of the magnetostatic problem for domains with boundaries containing corners. With the help of this numerical method, the magnetic systems of rectangular configuration were simulated with high accuracy. In particular, the calculations of some modifications of the magnetic system SP-40 used in the NIS JINR experimental installation, are presented. The basic feature of such a magnet is a rectangular aperture, hence, the area in which the boundary-value problem is solved, has a smooth border everywhere, except for a finite number of angular points in the vicinity of which the border is formed by crossing two smooth curves. In such cases the solution to the problem or derivatives of the solution can have a special feature. A behavior of the magnetic field in the vicinity of an angular point is investigated, and the configuration of the magnet was chosen numerically. The width of the area of homogeneity of the magnetic field increased from 0.5 m up to 1.0 m, i. e. twice.

     Keywords: magnet systems, mathematical modeling, boundary value problem, elliptic equations, the behavior of solutions in the corner domain.
     Citations: 1 (RSCI).
367. Ekaterinchuk E.D., Ryashko L.B.
     Analysis of stochastic attractors for time-delayed quadratic discrete model of population dynamics
     Computer Research and Modeling, 2015, v. 7, no. 1, pp. 145-157

     We consider a time-delayed quadratic discrete model of population dynamics under the influence of random perturbations. Analysis of stochastic attractors of the model is performed using the methods of direct numerical simulation and the stochastic sensitivity function technique. A deformation of the probability distribution of random states around the stable equilibria and cycles is studied parametrically. The phenomenon of noise-induced transitions in the zone of discrete cycles is demonstrated.

     Keywords: a time-delayed quadratic discrete model of population dynamics, stochastic sensitivity function.
     Views (last year): 3. Citations: 1 (RSCI).
368. Dudarov S.P., Diev A.N., Fedosova N.A., Koltsova E.M.
     Simulation of properties of composite materials reinforced by carbon nanotubes using perceptron complexes
     Computer Research and Modeling, 2015, v. 7, no. 2, pp. 253-262

     Use of algorithms based on neural networks can be inefficient for small amounts of experimental data. Authors consider a solution of this problem in the context of modelling of properties of ceramic composite materials reinforced with carbon nanotubes using perceptron complex. This approach allowed us to obtain a mathematical description of the object of study with a minimal amount of input data (the amount of necessary experimental samples decreased 2–3.3 times). Authors considered different versions of perceptron complex structures. They found that the most appropriate structure has perceptron complex with breakthrough of two input variables. The relative error was only 6%. The selected perceptron complex was shown to be effective for predicting the properties of ceramic composites. The relative errors for output components were 0.3%, 4.2%, 0.4%, 2.9%, and 11.8%.

     Keywords: neural network, perceptron complex, mathematical model, simulation, ceramic composite, carbon nanotubes, flexural strength.
     Views (last year): 2. Citations: 1 (RSCI).
369. Vdovichev A.A., Ramazanov R.R., Kononov A.I.
     Structural model of gold and silver fluorescent clusters
     Computer Research and Modeling, 2015, v. 7, no. 2, pp. 263-269

     Present work is dedicated to systematic study of equilibrium configurations of gold and silver clusters in size from 2 to 9 atoms. To the lowest energy configurations is performed calculation of electronic excitation spectra. All calculations are carried out within the framework of density functional theory (DFT) using the hybrid B3LYP functional and ECP LANL2DZ. Based on the analysis of the received electronic excitation spectra we try to confirm the assumption that small gold and silver clusters, capable of luminescence can be produced only in the presence of a stabilizing template. The authors show that without stabilization in the solution formed “flat” and “spherical” configuration whose spectra do not correspond to the experimental luminescence excitation spectra for DNA cluster complexes.

     Keywords: silver and gold clusters, DNA, electronic excitation spectra, DFT.
     Views (last year): 2. Citations: 1 (RSCI).
370. Skvortsova D.A.
     Statistical modeling of the production processes оf the flexible automated assembly in the object-oriented programming environment
     Computer Research and Modeling, 2015, v. 7, no. 2, pp. 289-300

     Using modern object-oriented programming language C# a program for simulation of operation of the conveyor for flexible automated assembly of PC was developed. Class diagram of the simulation model of a flexible automated assembly line for PC assembly in mass production mode is presented. Simulation results analysis is presented.

     Keywords: simulate model of the conveyor flexible automated assembly, statistical modeling of the production processes.
     Views (last year): 2. Citations: 1 (RSCI).

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