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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">omna</journal-id><journal-title-group><journal-title xml:lang="ru">Омский научный вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Omsk Scientific Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1813-8225</issn><issn pub-type="epub">2541-7541</issn><publisher><publisher-name>Омский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25206/1813-8225-2026-197-23-30</article-id><article-id custom-type="edn" pub-id-type="custom">JNVTPE</article-id><article-id custom-type="elpub" pub-id-type="custom">omna-327</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>Влияние уровня геометрической детализации цифрового двойника экспериментальной установки на результаты вычислительных экспериментов</article-title><trans-title-group xml:lang="en"><trans-title>Influence of the geometric detail level of the digital twin of the experimental setup on the results of computational experiments</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-1686-2579</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ведяйкина</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Vediaikina</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ведяйкина Ольга Ивановна, кандидат физикоматематических наук, доцент кафедры «Общая физика и теоретическая механика»,</p><p>603000, г. Нижний Новгород, ул. Ильинская, 65.</p></bio><bio xml:lang="en"><p>Vedyaikina Olga Ivanovna, Candidate of Physical and Mathematical Sciences, Associate Professor of the General Physics and Theoretical Mechanics Department,</p><p>Il’inskaya St., 65, Nizhny Novgorod, 603000.</p></bio><email xlink:type="simple">razvnauki@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1220-6930</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хазов</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khazov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хазов Павел Алексеевич, доктор технических наук, доцент (Россия), доцент кафедры «Теория сооружений и техническая механика»,</p><p>603000, г. Нижний Новгород, ул. Ильинская, 65.</p><p>AuthorID (SCOPUS): 57219007380.</p><p>ResearcherID: ABN-9937-2022.</p></bio><bio xml:lang="en"><p>Khazov Pavel Alekseevich, Doctor of Technical Sciences, Associate Professor, Associate Professor of the Theory of Structures and Technical Mechanics Department,</p><p>Il’inskaya St., 65, Nizhny Novgorod, 603000.</p><p>AuthorID (SCOPUS): 57219007380.</p><p>ResearcherID: ABN-9937-2022.</p></bio><email xlink:type="simple">khazov.nngasu@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Нижегородский государственный архитектурно-строительный университет<country>Россия</country></aff><aff xml:lang="en">Nizhny Novgorod State University of Architecture and Civil Engineering<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>24</day><month>02</month><year>2026</year></pub-date><volume>0</volume><issue>1</issue><fpage>23</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ведяйкина О.И., Хазов П.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Ведяйкина О.И., Хазов П.А.</copyright-holder><copyright-holder xml:lang="en">Vediaikina O.I., Khazov P.A.</copyright-holder><license 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://onv.omgtu.ru/jour/article/view/327">https://onv.omgtu.ru/jour/article/view/327</self-uri><abstract><p>В статье исследуются особенности влияния уровня геометрической детализации на точность результатов моделирования физических процессов над цифровым двойником высокотехнологичных установок. В качестве примера используется малогабаритная дозвуковая аэродинамическая труба. Проводится ряд компьютерных экспериментов с геометрическими моделями, отличающимися степенью детализации: от упрощенных до максимально полно отражающих реальную установку. Результаты компьютерного моделирования являются основой для определения оптимального варианта модели для создания наиболее точного цифрового двойника, при этом обладающего также достаточной степенью вычислительной эффективности.</p></abstract><trans-abstract xml:lang="en"><p>The article explores the impact of the level of geometric detail on the accuracy of modeling physical processes over a digital twin of high-tech facilities. A miniature subsonic wind tunnel is used as an example. The authors have conducted a series of computer simulations with pipe models, varying in the degree of detail: from simplified to the most detailed. By comparing the results of these simulations, the researchers aim to determine the optimal level of model detail to create the most accurate digital twin. The findings are planned to be used to make practical recommendations on the selection of suitable geometric models for the creation of digital twins intended for aerodynamic research. Thus, the aim of the work is to establish the relationship between the complexity of the geometric model and the accuracy of the results of modeling aerodynamic processes in a digital twin. The more accurate the model, the more computing resources will be required, so finding the optimal balance between accuracy and computational efficiency is a key research objective.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>компьютерное моделирование</kwd><kwd>цифровой двойник</kwd><kwd>геометрическая модель</kwd><kwd>экспериментальная установка</kwd><kwd>аэродинамическая установка</kwd><kwd>геометрическая детализация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computer modeling</kwd><kwd>digital twin</kwd><kwd>geometric model</kwd><kwd>experimental setup</kwd><kwd>aerodynamic setup</kwd><kwd>geometric detail</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">Leonovich S. N., Riachi J. 3D-Modeling for Life Cycle of the Structure. Science and Technique. 2021. Vol. 20, no. 1. P. 5–9. DOI: 10.21122/2227-1031-2021-20-1-5-9. 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