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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vmait</journal-id><journal-title-group><journal-title xml:lang="ru">Computational Mathematics and Information Technologies</journal-title><trans-title-group xml:lang="en"><trans-title>Computational Mathematics and Information Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2587-8999</issn><publisher><publisher-name>Донской государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/2587-8999-2017-2-180-184</article-id><article-id custom-type="elpub" pub-id-type="custom">vmait-92</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>О декартовых сетках в некоторых адаптивных алгоритмах аэродинамики</article-title><trans-title-group xml:lang="en"><trans-title>On Cartesian grids in some adaptive algorithms of aerodynamics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7880-555X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Афендиков</surname><given-names>Андрей Леонидович</given-names></name><name name-style="western" xml:lang="en"><surname>Afendikov</surname><given-names>Andrei Leonidovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>Афендиков Андрей Леонидович, заместитель директора по научной работе Института прикладной математики им. М.В. Келдыша Российской академии наук (125047, Москва, Миусская пл., д. 4), доктор физико-математических наук.</p></bio><bio xml:lang="en"><p>Afendikov Andrei Leonidovich, Deputy Director of Research of Keldysh Institute of Applied Mathematics Russian Academy of Sciences (4 Miusskaya pl., Moscow, Russian Federation), Doctorof Science in Physics and Maths.</p></bio><email xlink:type="simple">andre@keldysh.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитин</surname><given-names>Вячеслав Сергеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>Vyacheslav Sergeyevich</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никитин Вячеслав Сергеевич, Институт прикладной математики им. М.В. КелдышаРоссийской академии наук (125047, Москва, Миусская пл., д. 4)</p></bio><bio xml:lang="en"><p>Nikitin Vyacheslav Sergeyevich, Keldysh Institute of Applied Mathematics Russian Academy ofSciences (4 Miusskaya pl., Moscow, Russian Federation)</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт прикладной математики им. М.В. Келдыша Российской академии наук (125047, Москва, Миусская пл., д. 4)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Keldysh Institute of Applied Mathematics Russian Academy of Sciences &#13;
(4 Miusskaya pl., Moscow, Russian Federation)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт прикладной математики им. М.В. Келдыша Российской академии наук &#13;
(125047, Москва, Миусская пл., д. 4)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Keldysh Institute of Applied Mathematics Russian Academy of&#13;
Sciences &#13;
(4 Miusskaya pl., Moscow, Russian Federation)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2023</year></pub-date><volume>1</volume><issue>2</issue><elocation-id>92</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Афендиков А.Л., Никитин В.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Афендиков А.Л., Никитин В.С.</copyright-holder><copyright-holder xml:lang="en">Afendikov A.L., Nikitin V.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.cmit-journal.ru/jour/article/view/92">https://www.cmit-journal.ru/jour/article/view/92</self-uri><abstract><p>При численном решении задач гидрогазодинамики используется адаптивная дискретизация, когда область решения разбивается на счетные ячейки с помощью надлежащим образом подобранной сетки, а непрерывная задача сводится к дискретной, аппроксимирующей дифференциальные операторы и краевые условия.</p></abstract><trans-abstract xml:lang="en"><p>The paper describes several approaches to adaptation of Cartesian grids in fluid and gasdynamics problems. It is demonstrated that the filter based on non-uniform B-splines is more appropriate for this class of problems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гидрогазодинамика</kwd><kwd>пространственные сетки</kwd><kwd>дискретизация</kwd><kwd>алгоритм</kwd><kwd>параллельная реализация.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gasdynamics</kwd><kwd>spatial grids</kwd><kwd>discretization</kwd><kwd>algorithm</kwd><kwd>parallel implementation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана грантом РНФ 17-71-30014.</funding-statement><funding-statement xml:lang="en">The research is done on the grant of the RSF 17-71-30014.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Afendikov, A.L. Adaptive wavelet algorithms for solving problems of hydro- and gas dynamics on Cartesian grids. 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