Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ruslan V. Zhalnin"'
Publikováno v:
Инженерные технологии и системы, Vol 31, Iss 1, Pp 161-174 (2021)
Introduction. In this article, the problem of temperature distribution in an oil-bearing formation with a hydraulic fracture and a vertical injection well is numerically modeled. Materials and Methods. To describe the process of temperature distribu
Externí odkaz:
https://doaj.org/article/fc93747fcaae482daa7c1145e0d6568c
Autor:
Ruslan V. Zhalnin, Victor Fedorovich Masyagin, Elizaveta Evgenievna Peskova, Vladimir Fedorovich Tishkin
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 24, Iss 1, Pp 116-136 (2020)
In this paper, we present a priori error analysis of the solution of a homogeneous boundary value problem for a second-order differential equation by the Discontinuous Galerkin method on staggered grids. The spatial discretization is constructed usin
Externí odkaz:
https://doaj.org/article/5a07e6d7ca4e4f0da09ab125ffa43491
Publikováno v:
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, Vol 19, Iss 3, Pp 523-533 (2015)
The discontinuous Galerkin method with discontinuous basic functions which is characterized by a high order of accuracy of the obtained solution is now widely used. In this paper a new way of approximation of diffusion terms for discontinuous Galerki
Externí odkaz:
https://doaj.org/article/38b81f56a36f4d0e9e7b4d856b9b4cda
Autor:
Irek Gubaydullin, Vladimir Fedorovich Tishkin, Ruslan V. Zhalnin, E. E. Peskova, Victor F. Masyagin
Publikováno v:
Mathematical Models and Computer Simulations. 13:437-444
This study carries out the numerical simulation of the propane pyrolysis process in a flow-through chemical reactor where chemical conversions are induced by the external heating of the reaction zone. Navier–Stokes equations in the approximation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9614899d366b36cb6d2e8ea9d2d01d8a
https://doi.org/10.1134/s2070048221030078
https://doi.org/10.1134/s2070048221030078
Publikováno v:
Mathematical Models and Computer Simulations. 13:474-482
A numerical algorithm is presented for solving the multicomponent gas dynamics equations by the discontinuous Galerkin method on locally adaptive grids. The numerical algorithm uses a data structure and a dynamic local grid adaptation algorithm from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df1fd82282f3662b3e7a69e78ec93e37
https://doi.org/10.1134/s2070048221030194
https://doi.org/10.1134/s2070048221030194
Autor:
Marina Eugenievna Ladonkina, Ruslan V. Zhalnin, Olga Nikolaevna Terekhina, Vladimir Fedorovich Tishkin, Victor F. Masyagin
Publikováno v:
Keldysh Institute Preprints. :1-18
The paper presents the entropic slope limiter for solving gas dynamics equations using the implicit scheme of the discontinuous Galerkin method. It guarantees monotonicity of the numerical solution, non-negativity of pressure and entropy production f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cf4a543e4c71cb4f1b29d35c9033ede
https://doi.org/10.20948/prepr-2021-7
https://doi.org/10.20948/prepr-2021-7
Autor:
Ruslan V. Zhalnin, Arif R. Bagapov
Publikováno v:
Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva. 22:333-351
The article describes the modeling of the acoustic field based on the analysis of pressure fluctuations. For this a model based on the laws of mass, energy and momentum is implemented in a two-dimensional setting. For the calculations, the HLLC schem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e497e83088dc4b09e4225b4674d1bb2
https://doi.org/10.15507/2079-6900.22.202003.333-351
https://doi.org/10.15507/2079-6900.22.202003.333-351
Publikováno v:
Математическое моделирование. 32:34-46
Представлен численный алгоритм для решения уравнений многокомпонентной газовой динамики с помощью разрывного метода Галеркина на лок
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb2394ee9c6b7e5603b280bd9194d20b
https://doi.org/10.20948/mm-2020-10-03
https://doi.org/10.20948/mm-2020-10-03
Publikováno v:
Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva. 22:94-106
The paper presents a numerical parallel algorithm based on an implicit scheme for the Galerkin method with discontinuous basis functions for solving diffusion-type equations on triangular grids. To apply the Galerkin method with discontinuous basis f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e1ea85606f65618b60fe919cc2c08db
https://doi.org/10.15507/2079-6900.22.202001.94-106
https://doi.org/10.15507/2079-6900.22.202001.94-106
Publikováno v:
Engineering Technologies and Systems. 30:162-175
Introduction. The article deals with mathematical modeling of the subsonic flow of a multicomponent reactive mixture in a flowing chemical reactor. The numerical algorithm is based on the finite volume method; the calculation is performed on unstruct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc46ef6ab060af86d8fe7bd5d550bbb9
https://doi.org/10.15507/2658-4123.030.202001.162-175
https://doi.org/10.15507/2658-4123.030.202001.162-175