Zobrazeno 1 - 10
of 4 928
pro vyhledávání: '"Identification problem"'
Autor:
A. Taskin
Publikováno v:
Қарағанды университетінің хабаршысы. Математика сериясы, Vol 115, Iss 3 (2024)
In this study, the time-dependent source identification problem for the two-dimensional neutron transport equation was studied. For the approximate solution of this problem a first order of accuracy difference scheme was presented. Stability estimate
Externí odkaz:
https://doaj.org/article/80a2a93f426c4d738196e4ef781eabef
Autor:
M. Ashyraliyev, M.A. Ashyralyyeva
Publikováno v:
Қарағанды университетінің хабаршысы. Математика сериясы, Vol 115, Iss 3 (2024)
In the present paper, we construct a first order of accuracy difference scheme for the approximate solution of the inverse problem for telegraph-parabolic equations with an unknown spacewise dependent source term. The unique solvability of constructe
Externí odkaz:
https://doaj.org/article/d695650c045b455c9050dff1cda9a10f
Autor:
Ivo Draganov, Venko Vitliemov, Yuliyan Angelov, Stiliyana Mileva, Nikolay Ferdinandov, Danail Gospodinov, Rossen Radev
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 5, p 225 (2024)
This paper proposes a procedurefor multi-criteria calibration of a thermo-mechanical model for numerical simulation of welding in the space vacuum. A finite-element model of a steel plate is created. Experimental and computational data are obtained.
Externí odkaz:
https://doaj.org/article/578c23160d3a44718a70b75e0ec7c0fc
Publikováno v:
Mathematics, Vol 12, Iss 17, p 2629 (2024)
This paper is concerned with finding solutions to free-boundary inverse coefficient problems. Mathematically, we handle a one-dimensional non-homogeneous heat equation subject to initial and boundary conditions as well as non-localized integral obser
Externí odkaz:
https://doaj.org/article/ee4b4e12c9bb442595730b5f5a6b4024
Autor:
Ghareeb Moustafa
Publikováno v:
Eng, Vol 4, Iss 3, Pp 1818-1836 (2023)
Solar photovoltaic system parameter identification is crucial for effective performance management, design, and modeling of solar panel systems. This work presents the Subtraction-Average-Based Algorithm (SABA), a unique, enhanced evolutionary approa
Externí odkaz:
https://doaj.org/article/5ef66726d1024876bd6a8c7da7d39965
Autor:
Svetlana V. Riazanova
Publikováno v:
Наука. Культура. Общество, Vol 29, Iss 2, Pp 75-90 (2023)
The study is dedicated to the issue of identification of local religious communities that have emerged in recent decades and that seem to be syncretistic. The main research question of the article is how to establish basic identification criteria tha
Externí odkaz:
https://doaj.org/article/f42b035ea0e34244bc1490bc8a634a62
Publikováno v:
Mathematical Modelling and Analysis, Vol 29, Iss 1 (2024)
This paper investigates the simultaneous identification of time-dependent lowest and source terms in a two-dimensional (2D) parabolic equation from the additional measurements. To investigate the solvability of the inverse problem, we first examine a
Externí odkaz:
https://doaj.org/article/f8eebdca5a6d45f4be8d0508abcff7ed
Publikováno v:
Mathematics, Vol 12, Iss 6, p 859 (2024)
In this study, a deep learning-based approach is used to address inverse problems involving the inversion of a magnetic field and the identification of the relevant source, given the field data within a specific subdomain. Three different techniques
Externí odkaz:
https://doaj.org/article/47c80b4ea25241cb984b3880e6a5c2c5
Autor:
Gamzaev Khanlar, Gamzaeva Nusaba
Publikováno v:
St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 2 (2023)
A chemical-technological process of a second-order reaction in a chemical reactor of an ideal displacement, described by a nonlinear partial differential equation of the first order has been considered. Within the framework of the proposed model, the
Externí odkaz:
https://doaj.org/article/85a3343f7d1b48649bc4594526d97a24