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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">intechngu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НГУ. Серия: Информационные технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik NSU. Series: Information Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-7900</issn><issn pub-type="epub">2410-0420</issn><publisher><publisher-name>НГУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25205/1818-7900-2018-16-4-13-19</article-id><article-id custom-type="elpub" pub-id-type="custom">intechngu-57</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>ОПИСАНИЕ ДОЛГОВРЕМЕННОЙ ЭВОЛЮЦИИ БЕРЕГОВОГО ПРОФИЛЯ НА ОСНОВЕ ДИФФУЗИОННОЙ МОДЕЛИ</article-title><trans-title-group xml:lang="en"><trans-title>DESCRITION OF COASTAL PROFILE LONG TERM EVOLUTION BY DIFFUSION MODEL</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барамия</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Baramiya</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">baramiyadenis@gmail.com</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>Горбенко</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbenko</surname><given-names>N. I.</given-names></name></name-alternatives><email xlink:type="simple">nikolay.gorbenko@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лаврентьев</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavrentiev</surname><given-names>M. M.</given-names></name></name-alternatives><email xlink:type="simple">mmlavrentiev@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новосибирский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт вычислительной математики и математической геофизики СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>nstitute of Computational Mathematics and Mathematical Geophysics SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Новосибирский государственный университет; Институт автоматики и электрометрии СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State University; Institute of Automation and Electrometry SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>30</day><month>10</month><year>2020</year></pub-date><volume>16</volume><issue>4</issue><fpage>13</fpage><lpage>19</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Барамия Д.А., Горбенко Н.И., Лаврентьев М.М., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Барамия Д.А., Горбенко Н.И., Лаврентьев М.М.</copyright-holder><copyright-holder xml:lang="en">Baramiya D.A., Gorbenko N.I., Lavrentiev M.M.</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://intechngu.elpub.ru/jour/article/view/57">https://intechngu.elpub.ru/jour/article/view/57</self-uri><abstract><p>Рассматривается диффузионная модель для описания долговременной эволюции профиля глубин в прибрежной зоне. Для калибровки модели решалась обратная задача восстановления коэффициентов по дополнительным граничным условиям путем минимизации функционала невязки. Многомерная оптимизация функционала проводилась методом дифференциальной эволюции. Для вычисления профиля глубин применялся метод конечных элементов. Тестирование проводилось на базе данных JARKUS при различных пространственных и временных интервалах. Достигнута относительная погрешность описания эволюции берегового профиля на уровне не более 5 %.</p></abstract><trans-abstract xml:lang="en"><p>Diffusion model is considered to describe coastal depth profile. For model calibration an inverse problem for equation coefficient reconstruction was solved by minimization of a certain misfit functional using an extra boundary conditions. Multy-dimensional optimization was arranged with the help of differential evolution method. Finite elements method was used to calculate model depth profile. The JARKUS dataset was used for testing at different temporal and spatial intervals. Relative error at the level of 5 % was achieved.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эволюция берегового профиля</kwd><kwd>обратная задача</kwd><kwd>функционал невязки</kwd><kwd>дифференциальная эволюция</kwd><kwd>метод конечных элементов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coastal profile evolution</kwd><kwd>inverse problem</kwd><kwd>cost functional</kwd><kwd>differential evolution</kwd><kwd>finite element method</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">De Vriend H. I., Capobianco M., Chesher T., Swart Th. E. de, Latteux B., Stive M. J. F. Approaches to long-term modelling of coastal morphology: a Review // Coastal Engineering. Amsterdam: Elsevier Science Publ., 1993. Vol. 21. P. 225-269.</mixed-citation><mixed-citation xml:lang="en">De Vriend H. 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