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Dal'nevostochnyi Matematicheskii Zhurnal, 2022, Volume 22, Number 1, Pages 61–75
DOI: https://doi.org/10.47910/FEMJ202206
(Mi dvmg469)
 

Global three-dimensional solvability the axisimmetric Stefan problem for quasilinear equation

A. G. Podgaev, V. Ya. Prudnikov, T. D. Kulesh

Pacific National University, Khabarovsk
References:
Abstract: We prove results related to the study of the solvability of a problem with an unknown boundary by compactness methods. Relative compactness theorems are used, which were obtained in previous publications, adapted to the study of problems like the Stefan problem with an unknown boundary.
In previous papers, for the equation considered here, we studied the initial-boundary problem in a non-cylindrical domain with a given curvilinear boundary of class $W^1_2$ and the problem for which, under the condition on the unknown boundary, the coefficient latent specific heat of fusion (in contrast to the Stefan problem, considered given here) was an unknown quantity.
Therefore, in some places calculations will be omitted that almost completely coincide with those set out in the works listed below. The proposed technique can be applied in more general situations: more phase transition boundaries, or more complex nonlinearities.
As a result, global over time, the regular solvability of a single-phase axisymmetric Stefan problem for a quasilinear three-dimensional parabolic equation with unknown boundary from the class $W^1_4$, is proved.
Key words: Stefan problem, relative compactness, non-cylindrical domain, unknown boundary.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 075-02-2022-879
The work was carried out at the Far Eastern Center for Mathematical Research with the financial support of the Ministry of Education and Science of Russia, agreement No. 075-02-2022-879 dated February 4, 2022 on the implementation of programs for the development of regional scientific and educational mathematical centers.
Received: 10.03.2022
Bibliographic databases:
Document Type: Article
UDC: 517.957
MSC: Primary 80A22; Secondary 35P35, 35K05, 46N20
Language: Russian
Citation: A. G. Podgaev, V. Ya. Prudnikov, T. D. Kulesh, “Global three-dimensional solvability the axisimmetric Stefan problem for quasilinear equation”, Dal'nevost. Mat. Zh., 22:1 (2022), 61–75
Citation in format AMSBIB
\Bibitem{PodPruKul22}
\by A.~G.~Podgaev, V.~Ya.~Prudnikov, T.~D.~Kulesh
\paper Global three-dimensional solvability the axisimmetric Stefan problem for quasilinear equation
\jour Dal'nevost. Mat. Zh.
\yr 2022
\vol 22
\issue 1
\pages 61--75
\mathnet{http://mi.mathnet.ru/dvmg469}
\crossref{https://doi.org/10.47910/FEMJ202206}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=4448029}
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