journal: Russian Journal of Numerical Analysis and Mathematical Modelling

Impact Factor: 0.6

Veröffentlicht seit 1. Januar 1986

Russian Journal of Numerical Analysis and Mathematical Modelling

ISSN: 1569-3988

Editors-in-Chief: Valentin P. Dymnikov, Yuri A. Kuznetsov

Managing Editor: Yuri V. Vassilevski

Über diese Zeitschrift

Objective
The Russian Journal of Numerical Analysis and Mathematical Modelling, published bimonthly, provides English translations of selected new original Russian papers on the theoretical aspects of numerical analysis and the application of mathematical methods to simulation and modelling. The editorial board, consisting of the most prominent Russian scientists in numerical analysis and mathematical modelling, selects papers on the basis of their high scientific standard, innovative approach and topical interest.

Topics

numerical analysis
numerical linear algebra
finite element methods for PDEs
iterative methods
Monte-Carlo methods
mathematical modelling and numerical simulation in geophysical hydrodynamics, immunology and medicine, fluid mechanics and electrodynamics, geosciences

Article formats
Research articles

> Information on submission process

Ihre Vorteile

Your benefits:

State-of-the-art original Russian papers in the field of numerical analysis and mathematical modelling translated in English
Imperative topics of high interest and relevance to the international research community
Leading Russian experts as members of the Editorial Board

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Publication Ethics and Malpractice Statement

Band 38 Heft 6

Dezember 2023

Öffentlich zugänglich 5. Dezember 2023

Frontmatter

Seiten: i-iii

PDF downloaden

Artikel

5. Dezember 2023

Explaining breakthrough behaviour in shale rock: influence of capillary effects and geomechanics

Denis Anuprienko, Valentina Svitelman

Seiten: 341-351

Mehr

Abstract

Shale rock, being a common caprock for carbon dioxide reservoirs, is subject to extensive research. One of the topics is breakthrough phenomena during injection of supercritical carbon dioxide in shale, the nature of which is still to be fully understood. In the present paper, a two-phase flow model, which may possibly be used to explain the breakthrough behaviour is examined. Capillary effects and geomechanics are included in the model, and influential model parameters are determined.

5. Dezember 2023

Non-local discretization of the isoneutral diffusion operator in a terrain-following climate ocean model

Dmitry V. Blagodatskikh, Nikolay G. Iakovlev, Evgenii M. Volodin, Andrey S. Gritsun

Seiten: 353-360

Mehr

Abstract

The present paper considers numerical properties of two different approaches to discretization of the isoneutral diffusion. The necessity of an alternative treatment of the isoneutral diffusion in a terrain-following climate ocean model as opposed to the more convenient rotated tensor formalism is studied. A new method of the approximation of the isoneutral diffusion based on a non-local computational stencil is formulated. The validity of the non-local discretization of the isoneutral diffusion operator with regard to a terrain-following vertical coordinate in the INMCM ocean model is demonstrated.

5. Dezember 2023

Numerical model of Earth ionosphere F region based on three-dimensional transport and ambipolar diffusion equations

Dmitry V. Kulyamin, Sergey V. Kostrykin, Pavel A. Ostanin, Valentin P. Dymnikov

Seiten: 361-372

Mehr

Abstract

The paper provides a detailed description of the numerical implementation of the transport scheme in the Earth’s ionosphere three-dimensional dynamical model of the Institute of Numerical Mathematics (INMIM). The presented version of INM-IM model takes into account the global dynamical processes of ion transport and ambipolar diffusion in the altitude range between 100 and 500 km (corresponding to F region). Based upon the splitting method the model solves the equations of ambipolar diffusion on the first split step and incorporates specifically designed advective transport scheme on the second step. The accuracy of transport scheme implementation in the model has been investigated through analytical solutions. The stability of the numerical algorithm has been demonstrated even for cases when transport velocities approaching extreme values.

5. Dezember 2023

Extracting connectivity paths in digital core images using solution of partial minimum eigenvalue problem

Serguei Yu. Maliassov, Yuri V. Vassilevski

Seiten: 373-380

Mehr

Abstract

We show theoretically and numerically that the lowest non-trivial eigenvector function for a specific eigenproblem has almost constant values in high conductivity channels, which are different in separate channels. Therefore, based on these distinct values, all separate connected clusters of open pores can be identified in digital cores.

5. Dezember 2023

The study of the local sensitivity of functionals of the optimal solution to observational data and the heat flux input data in a variational assimilation problem for the sea thermodynamics model

Victor P. Shutyaev, Eugene I. Parmuzin, Igor Yu. Gejadze

Seiten: 381-391

Mehr

Abstract

The problem of variational assimilation of observational data for the sea thermodynamics model is considered with the aim to reconstruct heat fluxes on the sea surface. The local sensitivity of functionals of the solution to the observational data and input data for heat fluxes is studied in the considered problem and the results of numerical experiments are presented for the Black Sea dynamics model.

5. Dezember 2023

Multiresolution approximation for shallow water equations using summation-by-parts finite differences

Ilya D. Tretyak, Gordey S. Goyman, Vladimir V. Shashkin

Seiten: 393-407

Mehr

Abstract

We present spatial approximation for shallow water equations on a mesh of multiple rectangular blocks with different resolution in Cartesian geometry. The approximation is based on finite-difference operators that fulfill Summation By Parts (SBP) property – a discrete analogue of integration by parts. The solution continuity conditions between mesh blocks are imposed in a weak form using Simultaneous Approximation Terms (SAT) method.We show that the resulting discrete divergence and gradient operators are anti-conjugate. The important consequences are the discrete analogues for mass and energy conservation laws along with the proof of stability for linearized equations. The numerical shallow water equations model based on the presented spatial approximation is tested using problems with meteorological context. Test results prove high-order accuracy of SBP-SAT discretization. The interfaces between mesh blocks of different resolution produce no significant noise. The local mesh refinement is shown to have positive effect on the solution both locally inside the refined region and globally in the dynamically coupled areas.

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Journal Impact Factor	0.6	2022, Journal Citation Reports (Clarivate, 2023)
5-year Journal Impact Factor	0.9	2022, Journal Citation Reports (Clarivate, 2023)
Journal Citation Indicator	0.48	2022, Journal Citation Reports (Clarivate, 2023)
CiteScore	2.3	2022, Scopus (Elsevier B.V., 2023)
SCImago Journal Rank	0.432	2022, SJR (Scimago Lab, 2023; Data Source: Scopus)
Source Normalized Impact per Paper	0.924	2022, CWTS Journal Indicators (CWTS B.V., 2023; Data Source: Scopus)
Mathematical Citation Quotient	0.15

Weitere Informationen über Zeitschriftenmetriken

Einreichen

Submission
The contents of the Russian Journal of Numerical Analysis and Mathematical Modeling is based on the results of research conducted in the Russian Federation. To this end, the Editorial Board considers for publication primarily papers in which at least one of the authors is a citizen of Russia. The Editorial Board also considers papers based on research conducted by Russian scientists outside of Russia. The papers can be submitted via e-mail to the Managing Editor written either in Russian or English language.

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Submission process

Submission of your manuscript
Peer review process (you will be guided through every step)
Decision on your paper
If accepted: you have the option to publish it open access
Publication online and in print

Please note

Before submitting your article please have a look at our Instruction for Authors, Ethical Guidelines and our Copyright Transfer Agreement
Once your article is accepted you have the option to publish it open access
Our repository policy allows you to distribute 30 PDF copies of your published article to colleagues (the PDF has to include the information that it is an author's copy). Please also feel free to distribute the link to the online abstract
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Please note that authors from institutions with which we have a transformative agreement can publish open access without paying an article processing charge (APC). More information on the eligible institutions and articles can be found under the "Funding and Support" tab here

Editorial

EDITORS-IN-CHIEF
Valentin P. Dymnikov,  Moscow
Yuri A. Kuznetsov,  Houston/Moscow

MANAGING EDITOR 
Yuri V. Vassilevski, Moscow
Institute of Numerical Mathematics of Russian Academy of Sciences Gubkina str. 8
Moscow 119333, Russia
Email: journal [at] dodo.inm.ras.ru

EDITORIAL BOARD 
Valery I. Agoshkov,  Moscow
Vladimir A. Garanzha, Moscow
Nikolay G. Iakovlev, Moscow
Georgy M. Kobelkov, Moscow
Gennady A. Mikhailov,  Novosibirsk
Yuri M. Nechepurenko, Moscow
Sergey I. Repin, St. Petersburg
Vladimir V. Shaidurov,  Krasnojarsk
Yurii I. Shokin,  Novosibirsk
Eugene E. Tyrtyshnikov, Moscow

(English)

Online ISSN: 1569-3988
Print ISSN: 0927-6467
Typ: Zeitschrift
Sprache: Englisch
Verlag: De Gruyter
Erstveröffentlichung: 1. Januar 1986
Erscheinungsweise: 6 Hefte pro Jahr
Zielgruppe: researchers in the field of numerical analysis and mathematical modelling