Jurnal matematik modellashtirish, hisoblash matematikasi va sonli usullarning zamonaviy usullarini ishlab chiqish va qoʻllashga qaratilgan boʻlib, sunʼiy intellekt, maʼlumotlarni intellektual tahlil qilish (data mining), teskari va notoʻgʻri qoʻyilgan masalalar, parallel hisoblash hamda dasturlash texnologiyalariga ustuvor eʼtibor qaratadi.
| Nashriyot | Тошкент ахборот технологиялари университети қошидаги, Ахборот-коммуникация технологиялари илмий-инновацион, маркази |
|---|---|
| Shahar | Toshkent |
| ISSN | 2181-8460 |
| e-ISSN | 2181-046X |
| Tashkil etilgan | 2015 |
| Maqolalar soni | 184 |
| OAK holati | Ro‘yxatda |
A numerical study was conducted based on the proposed mathematical apparatus of non-stationary technology for filtering a low-concentration solution through a porous medium, taking into account the process of…
In this article, within the framework of a mathematical model of three-phase filtration of incompressible and immiscible liquids and gas without taking into account the difference between phase pressures and…
Based on the developed mathematical software, this paper presents the results of numerical calculations on the task of monitoring and forecasting the concentration of industrial emissions of pollutants (CO2, dust…
Today it is much more difficult to imagine life without computers. There is not a single area that a computer cannot penetrate. Everyday life is rapidly digitizing and unfortunately, more and more people among us are…
This article presents a numerical model and calculation algorithm for solving the problem of two-dimensional oil filtration in a porous medium, in which the change in permeability value when changing reservoir pressure…
In this article, the numerical simulation of a boundary value problem for a fourth order inhomogeneous differential equation with a small parameter at the highest deriva tive is carried out using the preliminary…
Computer virology and its formalization began seventy years ago with the work of Alan Turing. The work and results of von Neumann, Fred Cohen, Leonard Adleman, and others who followed them were groundbreaking. They…
This paper investigates the qualitative properties of self-similar solutions of a nonlinear cross-diffusion system with nonlinear boundary conditions and a source. A self-similar solution of the cross-diffusion problem…
Problems of nonlinear vibrations of products lying on a viscoelastic layer are considered. A mathematical model was constructed in the form of systems of nonlinear integro-differential equations. The main quadratic…
A related conjugate problem is to ensure that industrial facilities are optimally located throughout a region, taking into account global and local sanitary standards. The main parameters for the spread of harmful…
The problem of the impact of a longitudinal wave on a system consisting of successively located wells and pipelines of finite length, interacting with soil by elastic-viscous law is considered in the article. The ends…
A mathematical model for calculating the vibrations of three-layer rods under spatial loading is developed in the article. Variations of kinetic and potential energies and the work of external forces, substituted into…
The article covers the theoretical and practical aspects of the mathematical model for predicting the movement and level of underground water based on the studied literature. An improved mathematical model based on…
This article presents a numerical solution to the boundary inverse problem for the equation of relaxation filtration in porous media under elastic conditions. To solve the problem, the marching method of De Sousa was…
The paper presents the problem of numerical calculation of turbulent flow in a channel with an obstacle based on the COMSOL MULTIPHYSICS software package. Turbulent flow in a channel with an obstacle is a complex…
The analysis and prediction of pollutant dispersion in the atmosphere continue to be crucial areas of environmental research. Mathematical models are the most effective tools for identifying and understanding the…
This article is devoted to the problem of assessing the level of information security of educational information systems in the context of digital transformation of society. It proposes a methodology based on expert…
Filtering stop words is an important task when processing text queries for information retrieval in large data sets. Existing mathematical models of this problem are not suitable for all families of natural languages…
Artificial intelligence-based methods can significantly improve the traditional expen sive drug development process, given the fact that various generative models are already widely used in chemistry. Generative models…
The paper examines the hydrodynamic process of in-situ leaching, used for the ex traction of expensive metals from ore deposits by acid treatment of the collector. For a comprehensive study, monitoring and forecasting…
The article analyzed the accumulated experience in the development of oil fields, algorithms for solving various filtration problems, the development of computer programs for the design, forecasting and analysis of oil…
A mathematical model has been developed for studying and predicting the process of transport and diffusion of harmful substances in the surface layer of the atmosphere. The model is based on the fundamental laws of…
This article discusses the mathematical modeling of the processes of the deformed state of mesh plates with a complex configuration of the area in the plan. In particular, a mathematical model of the deformed state…
In the work, new model equations in deformations for orthotropic bodies are proposed, from which, in a particular case, the well-known differential equations for the compat ibility of deformations for isotropic bodies…
The article examines McSherry’s mathematical model, taking into account heredity, to describe artificial ECGs. The mathematical model consists of three ordinary nonlinear differential equations with derivatives of…
The paper considers the application of the optimal quadrature formula in the space to numerical solution of linear Fredholm integral equations of the second kind. The results of specific examples are analyzed. The exact…
In this paper, we study the problem of stabilizing the equilibrium state for a hyper bolic system with negative nonlocal characteristic velocities and measurement error. The formulation of a mixed boundary control…
The problem of dynamic vibration dampers of hereditarily deformable systems with f inite numbers of degrees of freedom is considered. The rheological properties of the spring (suspension) are taken into account using an…
This article presents the results of studies on the theory of filtration in an accurate forecast of changes in the level of groundwater during irrigation in the republic, as well as in assessing the impact of artificial…
The paper explores a mathematical model for suspension filtration in a porous medium, incorporating a mass balance equation for suspended particles and kinetic equa tions for both irreversible and reversible particle…
The work considers the process of filtration of water and oil phases, taking into ac count the deformation of the porous medium, opened by a system of production wells. The wells are grouped in rows. We assume that oil…
As it is known the distribution of harmful substances in the atmosphere directly depends on the wind speed. This paper considers the problem of hydrodynamics in the form of nonlinear partial differential equations of…
The study of atmospheric pollutant transport and diffusion processes remains a vital scientific issue and a field of interest for many researchers. Mathematical modeling is often the most effective means for uncovering…
Large cities often face challenges in providing an eco-friendly living space. This is crucial in residential areas where the majority resides, aiming for high social and envi ronmental comfort. Key pollution sources…