Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Gennady Alekseev"'
Autor:
Gennady Alekseev, Dmitry Tereshko
Publikováno v:
International Journal of Differential Equations, Vol 2011 (2011)
The stationary Boussinesq equations describing the heat transfer in the viscous heat-conducting fluid under inhomogeneous Dirichlet boundary conditions for velocity and mixed boundary conditions for temperature are considered. The optimal control pro
Externí odkaz:
https://doaj.org/article/ceaaa6227ed44d659783acb523a57cbb
Publikováno v:
Journal of Applied Mechanics and Technical Physics. 62:642-648
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13196fa629fa2649df57a5c4c0443e11
https://doi.org/10.1134/s0021894421040131
https://doi.org/10.1134/s0021894421040131
Autor:
Yu. E. Spivak, Gennady Alekseev
Publikováno v:
Computational Mathematics and Mathematical Physics. 61:212-225
Inverse problems for a three-dimensional magnetostatic model arising in the design of axisymmetric multilayered shielding and cloaking devices are stated. Assuming that the designed device consists of a finite number of spherical layers, each filled
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cf29aa1de9027b254a5ee0eecdd9a33
https://doi.org/10.1134/s0965542521020032
https://doi.org/10.1134/s0965542521020032
Autor:
Yu. E. Spivak, Gennady Alekseev
Publikováno v:
Differential Equations. 56:1219-1229
We study inverse problems of magnetostatics that arise when designing two-dimensional multilayered shielding and cloaking devices. It is assumed that the device to be designed has the form of a circular shell consisting of finitely many layers, each
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee42818e9b1af181dd12363098efca86
https://doi.org/10.1134/s0012266120090116
https://doi.org/10.1134/s0012266120090116
Publikováno v:
Inverse Problems in Science and Engineering. 29:40-55
In this paper we study inverse problems of electric conductivity that arise in the design of spherical shielding or cloaking shells and other functional devices used to control static electric fiel...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71efb4ce709babdb333ef91df6ffaa3a
https://doi.org/10.1080/17415977.2020.1772780
https://doi.org/10.1080/17415977.2020.1772780
Publikováno v:
Doklady Physics. 65:115-118
Inverse problems for the two-dimensional heat transfer model that arise in the development of technologies of designing thermal concentrators are considered. Using an optimization method, these problems are reduced to finite-dimensional extremum prob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a7a94a62199c5f59cd447f7147f31fe
https://doi.org/10.1134/s1028335820030039
https://doi.org/10.1134/s1028335820030039
Autor:
Gennady Alekseev, D. A. Tereshko
Publikováno v:
Journal of Inverse and Ill-posed Problems. 27:845-857
Inverse problems associated with designing cylindrical DC electrical cloaking shells are studied. Using the optimization method, these inverse problems are reduced to corresponding control problems in which electrical conductivities play the role of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29afcfe2d05734e96664003825b7197a
https://doi.org/10.1515/jiip-2018-0084
https://doi.org/10.1515/jiip-2018-0084
Autor:
D. A. Tereshko, Gennady Alekseev
Publikováno v:
International Journal of Heat and Mass Transfer. 135:1269-1277
Inverse problems associated with designing cylindrical thermal layered shielding and cloaking shells are studied. Using the optimization method these inverse problems are reduced to corresponding control problems. Thermal conductivities of the shell
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d5635ee86209e7a3787baea144beb65
https://doi.org/10.1016/j.ijheatmasstransfer.2019.02.072
https://doi.org/10.1016/j.ijheatmasstransfer.2019.02.072
Autor:
Gennady Alekseev, D. A. Tereshko
Publikováno v:
Computational Mathematics and Mathematical Physics. 59:207-223
Inverse problems of designing spherical shells intended for cloaking material bodies in a stationary electric field are studied. By applying an optimization method, these problems are reduced to optimization ones in which the role of controls is play
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6360bc115455b59bc9ff8d6f27cbe95c
https://doi.org/10.1134/s0965542519020027
https://doi.org/10.1134/s0965542519020027
Publikováno v:
KnE Life Sciences.
The article describes a more environmentally friendly method to produce pectin compared to the classical acid scheme, which requires the use of strong mineral acids and toxic solvents. This method of obtaining pectin, like other analogs of the classi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d97d252d077c7e62010dd70ca127db3
https://doi.org/10.18502/kls.v5i1.6015
https://doi.org/10.18502/kls.v5i1.6015