Dmitriy Kolyukhin
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View article: Seismic Analysis of a Multiscale Discrete Fracture System
Seismic Analysis of a Multiscale Discrete Fracture System Open
The work is devoted to the development and study of a statistical model of a discrete network of cracks at different spatial scales. The distribution of fracture centers is a fractal set, which is determined by a given value of the correla…
View article: Converting the Roughness of Model Interfacies into the Statistical Distribution of Elastic Parameters of the Layered Medium
Converting the Roughness of Model Interfacies into the Statistical Distribution of Elastic Parameters of the Layered Medium Open
In the paper, the effect of interface roughness on the elastic parameters of a layered medium is studied. Three-dimensional models of a layered medium with different material inside and outside the layer are considered. Initially, the firs…
View article: Simulation of Gaussian random field in a ball
Simulation of Gaussian random field in a ball Open
We address the problem of statistical simulation of a scalar real Gaussian random field inside the unit 3D ball. Two different methods are studied: (i) the method based on the known homogeneous isotropic power spectrum developed by Mesched…
View article: Study of the turbulent velocity field evolutionary models based on the autocorrelation analysis
Study of the turbulent velocity field evolutionary models based on the autocorrelation analysis Open
This paper deals with a set of time-evolution formulations in algorithms for artificial turbulent field generation based on the Randomized Spectral Method (RSM). We analyze the autocorrelation functions associated with the models considere…
View article: Generation of a random anisotropic incompressible turbulent velocity field in accordance with the calculated flow statistics
Generation of a random anisotropic incompressible turbulent velocity field in accordance with the calculated flow statistics Open
On the base of Randomized Spectral Method (RSM), a new stochastic algorithm for the generation of homogeneous anisotropic turbulent velocity fields has been developed. This technique provides incompressibility of the obtained velocity fiel…
View article: Modified Spectral Method of Anisotropic Turbulent Velocity Field Generation Preserving Incompressibility
Modified Spectral Method of Anisotropic Turbulent Velocity Field Generation Preserving Incompressibility Open
A method for the numerical generation of anisotropic turbulent velocity fields is presented. The proposed technique is based on the spectral method (SM) [1]. The traditional adaptation of isotropic field generated with spectral methods use…
View article: Stochastic algorithm for generation of a divergence-free anisotropic homogeneous turbulent velocity fluctuation field
Stochastic algorithm for generation of a divergence-free anisotropic homogeneous turbulent velocity fluctuation field Open
О р д е н а Л е н и н а ИНСТИТУТ ПРИКЛАДНОЙ МАТЕМАТИКИ имени М.В.Келдыша Р о с с и й с к о й а к а д е м и и н а у к А.В.Александров, Л.В.Дородницын, Д.Р.Колюхин Стохастический алгоритм генерации бездивергентного анизотропного однородного …
View article: Validation of stochastic algorithm for generation of a turbulent velocity fluctuation field based on the randomized spectral method
Validation of stochastic algorithm for generation of a turbulent velocity fluctuation field based on the randomized spectral method Open
О р д е н а Л е н и н а ИНСТИТУТ ПРИКЛАДНОЙ МАТЕМАТИКИ имени М.В.Келдыша Р о с с и й с к о й а к а д е м и и н а у к А.В.Александров, Л.В.Дородницын, А.П.Дубень, Д.Р.Колюхин Валидация стохастического алгоритма генерации турбулентных пульса…
View article: Generation of the stochastic anisotropic velocity field for turbulent flow simulation
Generation of the stochastic anisotropic velocity field for turbulent flow simulation Open
A new technique of stochastic generation of anisotropic turbulent velocity fields is based on Randomized Spectral Method (RSM). The algorithms provide incompressibility of the fields constructed simultaneously with the required statistical…
View article: Statistical Analysis of Displacement and Length Relation for Normal Faults in the Barents Sea
Statistical Analysis of Displacement and Length Relation for Normal Faults in the Barents Sea Open
This paper is devoted to the statistical analysis of dependence between fault length (L) and displacement (D). The main purpose of this work is to study the scaling relations between fault length and displacement using a database that incl…
View article: Acoustic Waveform Inversion for Ocean Turbulence
Acoustic Waveform Inversion for Ocean Turbulence Open
The seismic oceanography method is based on extracting and stacking the low-frequency acoustic energy scattered by the ocean heterogeneity. However, a good understanding on how this acoustic wavefield is affected by physical processes in t…