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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">caht</journal-id><journal-title-group><journal-title xml:lang="ru">Научный вестник МГТУ ГА</journal-title><trans-title-group xml:lang="en"><trans-title>Civil Aviation High Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-0619</issn><issn pub-type="epub">2542-0119</issn><publisher><publisher-name>Moscow State Technical University of Civil Aviation (MSTU CA)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26467/2079-0619-2023-26-2-37-48</article-id><article-id custom-type="elpub" pub-id-type="custom">caht-2170</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>МАШИНОСТРОЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Оптимизация конструкции киля из полимерных композиционных материалов за счет применения биоподобных конструктивно-силовых схем</article-title><trans-title-group xml:lang="en"><trans-title>Optimization of the fin structure from polymer composite materials using bioinspired structural layouts</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>Барановски</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranovsk</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барановски Сергей Владиславович, кандидат технических наук, доцент кафедры ракетно-космических композитных конструкций</p><p>Москва</p></bio><bio xml:lang="en"><p>Sergey V. Baranovski, Candidate of Technical Sciences, Associate Professor of the RocketSpace Composite Structures Chair</p><p>Moscow</p></bio><email xlink:type="simple">serg1750@mail.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>Я</surname><given-names>Лин Зай</given-names></name><name name-style="western" xml:lang="en"><surname>Yar</surname><given-names>Lin Zay</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зай Я Лин, стажер-практикант кафедры ракетно-космических композитных конструкций </p><p>Москва</p></bio><bio xml:lang="en"><p>Zay Yar Lin, Trainee of the Rocket-Space Composite Structures Chair</p><p>Moscow</p></bio><email xlink:type="simple">zayarlinngate321@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный технический университет имени Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bauman Moscow State Technical University (BMSTU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>05</month><year>2023</year></pub-date><volume>26</volume><issue>2</issue><fpage>37</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Барановски С.В., Я Л.З., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Барановски С.В., Я Л.З.</copyright-holder><copyright-holder xml:lang="en">Baranovsk S.V., Yar L.Z.</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://avia.mstuca.ru/jour/article/view/2170">https://avia.mstuca.ru/jour/article/view/2170</self-uri><abstract><p>Для удовлетворения потребности в эффективности по прочности, устойчивости, массе летательного аппарата необходимо решить комплексную сложную задачу проектирования силового каркаса. При этом необходимо принимать во внимание оптимизацию формы, количество, места расположения элементов. В настоящий момент основным вариантом конструктивно-силовой схемы является набор продольных из поперечных элементов, оптимизация которых уже практически исчерпала себя. Применение полимерных композиционных материалов на основе стеклянных и углеродных волокон, обладающих высокими удельными характеристиками по сравнению с металлами, позволяет повысить характеристики изделия и дополнительно оптимизировать структуру каркаса за счет анизотропии свойств материала. Однако для дальнейшего улучшения свойств необходимы принципиально новые силовые схемы. Благодаря развитию технологий изготовления изделий из композиционных материалов, в том числе аддитивному производству и трехмерной печати, а также развивающимся методам математического моделирования и автоматизированного проектирования и стало возможным создание новых перспективных силовых схем. К ним относятся биоподобные конструкции, основанные на природных аналогах, таких как крылья насекомых. Работа посвящена актуальной задаче поиска и выбора новых конструктивно-силовых схем. Целью работы является снижение массы киля самолета при обеспечении прочности конструкции. В работе рассмотрено пять вариантов конструктивно-силовых схем, включая классическую исходную конструкцию. Аэродинамические нагрузки на конструкцию определены с помощью моделирования процесса обтекания на заданном режиме полета. Определено напряженно-деформированное состояние силовой конструкции и выбран оптимальный из рассмотренных вариант. Установлено преимущество биоподобных конструкций из полимерных композиционных материалов над металлическими классическими вариантами. Результаты работы будут учтены и использованы в дальнейшей оптимизации силовых схем и разработке методик выбора силовых конструкций. </p></abstract><trans-abstract xml:lang="en"><p>To comply with efficiency in terms of strength, stability and weight of the aircraft, a complex problem for designing a structural layout should be solved. At the same time, it is essential to take into consideration optimization of the shape, quantity, component layout. Now, the main variant of a structural layout is a combination of longitudinal and transverse elements, optimization of which has virtually exhausted itself. The use of polymer composite materials based on glass and carbon fibers, possessing high specific performance compared to metals, makes it possible to improve the performance of a product and additionally optimize a frame structure due to anisotropy of material properties. However, fundamentally innovative structural layouts are needed for further improving properties. It has become practical to create new promising structural layouts due to the development of technologies for manufacturing products from composite materials, including additive manufacturing and 3D printing as well as developing methods of mathematical modeling and computer-assisted design. Bioinspired structures based on natural analogues such as insect wings are attributed to them. The paper is devoted to a highly topical problem of searching and selecting innovative structural layouts. The purpose of the article is to reduce aircraft fin mass while providing structural strength. The paper considers five variants of structural layouts inclusive of the conventional original structure. Aerodynamic loads on the structure were determined by modeling the flow-around process at an assigned flight mode. Stress-and-strain behavior of the structural layout was determined, and the optimal variant of the considered was chosen. The advantage of polymer composite bioinspired structures over conventional metal variants was established. The paper results will be taken into consideration and used in the subsequent optimization of structural layouts and the development of methods for choosing structural layouts.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>киль</kwd><kwd>конструктивно-силовая схема</kwd><kwd>лонжерон</kwd><kwd>нервюра</kwd><kwd>биоподобная конструкция</kwd><kwd>углепластик</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fin</kwd><kwd>structural layout</kwd><kwd>spar</kwd><kwd>rib</kwd><kwd>bioinspired structure</kwd><kwd>carbon fiber</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">Балунов К.А. Многодисциплинарные аспекты в исследованиях синтеза и оптимизации конструктивно-силовых схем летательных аппаратов / К.А. Балунов, Ф.З. Ишмуратов, С.А. Туктаров, В.М. Уськов, В.В. 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