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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Доклады Академии наук</journal-id><journal-title-group><journal-title xml:lang="en">Доклады Академии наук</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Академии наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-5652</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">18849</article-id><article-id pub-id-type="doi">10.31857/S0869-56524895512-516</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Oceanology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Океанология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Numerical study of isotropic ocean swell</article-title><trans-title-group xml:lang="ru"><trans-title>Численное моделирование изотропной океанской зыби</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Geogjaev</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Геогджаев</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vvg@mail.geogjaev.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zakharov</surname><given-names>V. E.</given-names></name><name xml:lang="ru"><surname>Захаров</surname><given-names>В. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Academician of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>Академик РАН</p></bio><email>zakharov@math.arizona.edu</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Badulin</surname><given-names>S. I.</given-names></name><name xml:lang="ru"><surname>Бадулин</surname><given-names>С. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>badulin.si@ocean.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Skolkovo Institute of Science and Technology</institution></aff><aff><institution xml:lang="ru">Сколковский институт науки и технологий</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт океанологии имени П.П. Ширшова Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-12-20" publication-format="electronic"><day>20</day><month>12</month><year>2019</year></pub-date><volume>489</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>512</fpage><lpage>516</lpage><history><date date-type="received" iso-8601-date="2019-12-22"><day>22</day><month>12</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-12-22"><day>22</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Russian academy of sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Российская академия наук</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Russian academy of sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-5652/article/view/18849">https://journals.eco-vector.com/0869-5652/article/view/18849</self-uri><abstract xml:lang="en"><p>A new algorithm is used for detailed numerical study of the evolution of isotropic swell in a homogeneous ocean. It is shown that the Zakharov-Filonenko spectrum occurs in an explosive manner in a short time. The Kolmogorov constant of the solution is estimated numerically.</p></abstract><trans-abstract xml:lang="ru"><p>Новый алгоритм применяется для детального моделирования эволюции изотропной зыби в однородном океане. Показано, что установление спектра Захарова-Филоненко происходит взрывным образом за короткое время. Произведено численное определение слаботурбулентной колмогоровской константы.</p></trans-abstract><kwd-group xml:lang="en"><kwd>isotropic swell in a homogeneous ocean</kwd><kwd>kinetic equation</kwd><kwd>Zakharov-Filonenko spectra</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>морское волнение</kwd><kwd>зыбь</kwd><kwd>кинетическое уравнение</kwd><kwd>спектры Колмогорова-Захарова</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The theoretical part of the work was carried out within state assignment of the P.P. Shirshov Institute of Oceanology of Russian Academy of Sciences, theme No. 0149-2019-0002. Numerical calculations are supported by the Russian Science Foundation, project No. 19-72-30028.</funding-statement><funding-statement xml:lang="ru">Теоретическая часть работы выполнена в соответствии с темой госзадания Института океанологии П.П. Ширшова РАН, тема 0149-2019-0002. Численные расчёты поддержаны Российским научным фондом, проект № 19-72-30028.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Badulin S.I., Zakharov V.E. // Nonl. Proc. Geophys. 2017. V. 24. Р. 237.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Tracy B., Resio D. // WES Rep. 11. 1982. US Army, Engineer Waterways Experiment Station, Vicksburg, MS.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Геогджаев В.В., Захаров В.Е. // Письма в ЖЭТФ. 2017. № 106. 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