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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">donstu</journal-id><journal-title-group><journal-title xml:lang="en">Advanced Engineering Research (Rostov-on-Don)</journal-title><trans-title-group xml:lang="ru"><trans-title>Advanced Engineering Research (Rostov-on-Don)</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2687-1653</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/2687-1653-2021-21-3-260-267</article-id><article-id custom-type="elpub" pub-id-type="custom">donstu-1796</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="en"><subject>MACHINE BUILDING AND MACHINE SCIENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАШИНОСТРОЕНИЕ И МАШИНОВЕДЕНИЕ</subject></subj-group></article-categories><title-group><article-title>Building structures thermal calculation</article-title><trans-title-group xml:lang="ru"><trans-title>Тепловой расчет конструкций</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8391-7169</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Майстренко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Maistrenko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Майстренко Анатолий Викторович, доцент кафедры «Информационные системы в строительстве», кандидат технических наук, доцент</p><p>Scopus ID: 57204525180</p><p>344003, РФ, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>Maistrenko, Anatnolii V., associate professor of the Information Systems in Construction Department, Cand.Sci. (Eng.), associate professor</p><p>ScopusID: 57204525180 </p><p>1, Gagarin Sq., Rostov-on-Don, 344003, RF</p></bio><email xlink:type="simple">anatol-maystrenko@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Донской государственный технический университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>17</day><month>10</month><year>2021</year></pub-date><volume>21</volume><issue>3</issue><fpage>260</fpage><lpage>267</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Maistrenko A.V., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Майстренко А.В.</copyright-holder><copyright-holder xml:lang="en">Maistrenko A.V.</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.vestnik-donstu.ru/jour/article/view/1796">https://www.vestnik-donstu.ru/jour/article/view/1796</self-uri><abstract><sec><title>Introduction</title><p>Introduction. The thermal calculation of a volumetric structure using the finite element method is considered. According to the plans of the Ministry of Energy of the Russian Federation, a powerful wind energy industry will be created in the country in the coming years. In this regard, calculations in the production of building structures of wind power plants are currently becoming a challenge. The production of such fiberglass structures is a complex thermochemical process, including the polymerization of the binder under strictly specified thermal conditions. The work objective is to develop a method for three-dimensional finite element calculation of the non-stationary heating mode of a complexshaped composite structure.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. The determination of the temperature fields of a complex-shaped structure made of inhomogeneous materials causes using numerical methods and, first of all, the finite element method. The finite element modeling of the behavior of composite materials under molding is still incomplete. For its partial solution, the well-known heat conduction equation is adapted for a specific problem based on the first law of thermodynamics. New finite element models describing the thermal fields in the structure during its manufacture are proposed. The accuracy of modeling thermal processes is specified. Numerical simulation of heating is carried out.</p></sec><sec><title>Results</title><p>Results. The solution to the problem was performed in the multifunctional software complex ANSYS with the implementation of the calculation method in the parametric programming language APDL. The temperature fields of the blade elements of wind power plants at the stage of their manufacture were calculated, which made it possible to identify the characteristic features of the production process of these structures and to obtain recommendations for clarifying the process of their gluing.</p><p>Discussion and Conclusions. The results obtained can be used in thermal calculations of elements of complex layered structures made of composite materials in wind power, mechanical engineering, aircraft, shipbuilding, instrumentation, etc.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Введение</title><p>Введение. Рассмотрен тепловой расчет объемной конструкции с использованием метода конечных элементов. По планам Министерства энергетики РФ в стране в ближайшие годы будет создана мощная индустрия ветровой энергетики. В связи с этим расчеты при производстве строительных конструкций ветроэнергетических установок в настоящее время приобретают большое значение. Производство таких конструкций из стеклопластика представляет собой сложный термохимический процесс, включающий полимеризацию связующего при строго заданных тепловых режимах. Целью работы является разработка методики трехмерного конечно-элементного расчета нестационарного режима нагрева составной конструкции сложной формы.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Определение полей температур конструкции сложной формы, выполненной из неоднородных материалов, приводит к необходимости применения численных методов и, в первую очередь, метода конечных элементов. Конечно-элементное моделирование поведения композиционных материалов при формовании до настоящего времени остается незавершенным. Для частичного ее решения выполнена адаптация известного уравнения теплопроводности для конкретной задачи на основе первого закона термодинамики. Предложены новые конечно-элементные модели, описывающие тепловые поля в конструкции при ее изготовлении. Определена точность моделирования тепловых процессов. Проведено численное моделирование нагрева.</p></sec><sec><title>Результаты исследования</title><p>Результаты исследования. Решение задачи выполнено в многофункциональном программном комплексе ANSYS с реализацией методики расчета на языке параметрического программирования APDL. Рассчитаны поля температуры лопастных элементов ветроэнергетических установок на этапе их изготовления, что позволило выявить характерные особенности технологического процесса производства данных конструкций и получить рекомендации по уточнению процесса их склейки.</p></sec><sec><title>Обсуждение и заключения</title><p>Обсуждение и заключения. Полученные результаты могут быть использованы в тепловых расчетах элементов строительных слоистых конструкций сложной формы из композиционных материалов в ветроэнергетике, машиностроении, авиастроении, судостроении, приборостроении и т. д.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>конечно-элементный расчет</kwd><kwd>температурное поле</kwd><kwd>неметаллическая конструкция</kwd><kwd>технологический процесс</kwd><kwd>моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>finite element calculation</kwd><kwd>temperature field</kwd><kwd>nonmetallic structure</kwd><kwd>technological process</kwd><kwd>modeling</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">Chawla, N. Thermal expansion anisotropy in extruded SiC particle reinforced 2080 aluminum alloy matrix composites / N. Chawla, X. Deng, D.R.M. 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