Zobrazeno 1 - 10
of 291
pro vyhledávání: '"direct problem"'
Autor:
Anton V. Lazurchenko, Tuyana S. Shoikhonova, Mikhail S. Shkiria, Anastasia Yu. Belova, Stanislav A. Tereshkin
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 335, Iss 7 (2024)
Relevance. Groundwater is the main source of industrial and technical water supply for mining facilities. The geological structure of the studied areas can be complicated by various factors that make it difficult to search for and localize groundwate
Externí odkaz:
https://doaj.org/article/9cba12c972d24a6aab3e2b68e90236f0
Publikováno v:
Известия Иркутского государственного университета: Серия "Математика", Vol 47, Iss 1, Pp 12-30 (2024)
This paper is devoted to solving the inverse problem (determining the parameters of a system of ordinary differential equations based on additional information determined at discrete points in time) and analyzing its solution for a mathematical model
Externí odkaz:
https://doaj.org/article/b90c8006c95d4739a4e7b3cb4d5db46b
Autor:
Miglena N. Koleva, Lubin G. Vulkov
Publikováno v:
Symmetry, Vol 16, Iss 10, p 1396 (2024)
The present study is concerned with the numerical solution of external boundary conditions in inverse problems for one-dimensional multilayer diffusion, using the difference method. First, we formulate multispecies parabolic problems with three types
Externí odkaz:
https://doaj.org/article/8153b6b6088b4e9ca9d34c6363ad8d89
Autor:
N. A. Lysenko, K. F. Koledina
Publikováno v:
Advanced Engineering Research, Vol 23, Iss 4, Pp 398-409 (2023)
Introduction. The basis for research, analysis and mathematical optimization of any chemical process is an adequate mathematical model that takes into account the kinetics of the object. Kinetic analysis is a challenge in chemical technology, since i
Externí odkaz:
https://doaj.org/article/6148b03a875a491382789f321e23306d
Autor:
Josué D. Díaz-Avalos
Publikováno v:
Selecciones Matemáticas, Vol 10, Iss 01, Pp 90-101 (2023)
The duality theory of convex analysis is applied to the complete electrode model (CEM), which is a standard model in electrical impedance tomography (EIT). This results in a dual formulation of the CEM and a general error estimate. This new formulati
Externí odkaz:
https://doaj.org/article/cd9b7f7170ee4c63b7fd2e134e791911
Autor:
I. M. Utyashev, A. F. Fatkhelislamov
Publikováno v:
Российский технологический журнал, Vol 11, Iss 2, Pp 92-99 (2023)
Objectives. To study the direct and inverse problem of vibrations of a rectangular rod having a longitudinal notch, to analyze regularities of the behavior of natural frequencies and natural forms of longitudinal vibrations when changing the location
Externí odkaz:
https://doaj.org/article/2c1ca48676f54d5f9d528ad7db8dd598
Publikováno v:
Fractal and Fractional, Vol 8, Iss 6, p 315 (2024)
In this paper, we consider a direct problem and an inverse problem involving a nonlinear fractional diffusion equation, which can be applied to many physical situations. The equation contains a Caputo fractional derivative, a symmetric uniformly elli
Externí odkaz:
https://doaj.org/article/c5a7597abdad4a179246fce10f3b6a27