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Matematicheskoe modelirovanie, 2021, Volume 33, Number 8, Pages 114–126
DOI: https://doi.org/10.20948/mm-2021-08-07
(Mi mm4315)
 

Comparison of hybrid DDAD/ST and DDAD-TVDR schemes for solving 2D radiative heat transfer

A. A. Shestakov

FSUE «RFNC-VNIITF named after Academ. E.I. Zababakhin»
References:
Abstract: The development of monotone second-order difference schemes for solving radiative heat transfer is a topic of many papers. Hybrid schemes comprise one of their classes. They exploit monotone first-order schemes where solutions are not monotone, and higher order schemes where they are smooth. Their construction in 1D does not cause severe difficulties, but in case of more than one dimension these schemes may bring s nonmonotonic behavior in time and non-converging iterations because of changing from one scheme to another. That is why the development of monotonic second-order schemes for radiative heat transfer is still a question of the hour. The paper discusses a standard hybrid scheme for solving 2D radiative heat transfer. The scheme changes from secondorder to first-order approximation when the non-monotonic behavior occurs. The scheme is show to be monotonic in space, but produce non-monotonic time dependences in some cases. We show how to avoid such dependencies by constructing the scheme in another way.
Keywords: hybrid difference scheme, radiative heat transfer.
Received: 01.02.2021
Revised: 26.04.2021
Accepted: 24.05.2021
English version:
Mathematical Models and Computer Simulations, 2022, Volume 14, Issue 2, Pages 261–269
DOI: https://doi.org/10.1134/S2070048222020132
Document Type: Article
Language: Russian
Citation: A. A. Shestakov, “Comparison of hybrid DDAD/ST and DDAD-TVDR schemes for solving 2D radiative heat transfer”, Matem. Mod., 33:8 (2021), 114–126; Math. Models Comput. Simul., 14:2 (2022), 261–269
Citation in format AMSBIB
\Bibitem{She21}
\by A.~A.~Shestakov
\paper Comparison of hybrid DDAD/ST and DDAD-TVDR schemes for solving 2D radiative heat transfer
\jour Matem. Mod.
\yr 2021
\vol 33
\issue 8
\pages 114--126
\mathnet{http://mi.mathnet.ru/mm4315}
\crossref{https://doi.org/10.20948/mm-2021-08-07}
\transl
\jour Math. Models Comput. Simul.
\yr 2022
\vol 14
\issue 2
\pages 261--269
\crossref{https://doi.org/10.1134/S2070048222020132}
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  • https://www.mathnet.ru/eng/mm/v33/i8/p114
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    Математическое моделирование
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