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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">vestniktgasu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Томского государственного архитектурно-строительного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-1859</issn><issn pub-type="epub">2310-0044</issn><publisher><publisher-name>Tomsk State University of Architecture and Building</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31675/1607-1859-2025-27-6-117-140</article-id><article-id custom-type="edn" pub-id-type="custom">TAIVPW</article-id><article-id custom-type="elpub" pub-id-type="custom">vestniktgasu-2288</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>СТРОИТЕЛЬНЫЕ КОНСТРУКЦИИ, ЗДАНИЯ И СООРУЖЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>Математическое моделирование распространения звука в здании</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical Simulation of Sound Propagation in a Building</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>Овсянников</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovsyannikov</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овсянников Сергей Николаевич, докт. техн. наук, профессор, зав. кафедрой; гл. научный сотрудник</p><p>634003, г. Томск, Соляная, 2</p><p>127238, г. Москва, Локомотивный проезд, 21</p></bio><bio xml:lang="en"><p>Sergei N. Ovyannikov, DSc, Professor; </p><p>2, Solyanaya Sq., 634003, Tomsk</p><p>21, Lokomotivnyi Proezd, 127238</p></bio><email xlink:type="simple">ovssn@tsuab.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>Овсянников</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovsyannikov</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овсянников Михаил Сергеевич, ст. преподаватель</p><p>634050, г. Томск, пр. Ленина, 36</p></bio><bio xml:lang="en"><p>Mikhail S. Ovsyannikov, Senior Lecturer</p><p>36, Lenin Ave., 634050, Tomsk</p></bio><email xlink:type="simple">michael.ovsyannikov@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Томский государственный архитектурно-строительный университет; Научно-исследовательский институт строительной физики</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tomsk State University of Architecture and Building; Research Institute of Structural Physics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский Томский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>10</day><month>01</month><year>2026</year></pub-date><volume>27</volume><issue>6</issue><fpage>117</fpage><lpage>140</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Овсянников С.Н., Овсянников М.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Овсянников С.Н., Овсянников М.С.</copyright-holder><copyright-holder xml:lang="en">Ovsyannikov S.N., Ovsyannikov M.S.</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://vestnik.tsuab.ru/jour/article/view/2288">https://vestnik.tsuab.ru/jour/article/view/2288</self-uri><abstract><p>Актуальность работы обусловлена недостаточностью существующих инженерных методов расчета звукоизоляции, которые не учитывают потери энергии, размеры конструкций, влияние примыкающих элементов и структурную звукопередачу, особенно актуальную при использовании легких и многослойных ограждений. Отсутствие инструментов для прямого расчета уровней звука и вибрации затрудняет оценку соответствия проектов санитарным нормам.</p><p>Цель исследования – разработка основ математического моделирования распространения звука в зданиях для создания инженерных методов и программного комплекса, позволяющих рассчитывать звукоизоляцию ограждающих конструкций, уровни звукового давления в помещениях и параметры вибрации с учетом прямой, косвенной и структурной передачи энергии.</p><p>Материалы и методы исследования включают энергетические методы (постановка общей задачи баланса звуковой энергии) и волновую теорию (расчет частных задач прохождения звуковой энергии). Представлены аналитические модели для расчета звукоизоляции одно- и многослойных конструкций, а также модели распространения звука в комплексных фрагментах здания с использованием методологии ГОСТ Р ЕН 12354-1–2012 и метода статистического энергетического анализа (СЭА).</p><p>Результаты. Разработаны математические модели и алгоритмы для трехуровневой системы расчетов: собственной звукоизолирующей способности конструкций; звукоизоляции с учетом косвенной и структурной передачи; уровней звука и вибрации в помещениях на основе СЭА. Модели являются основой для создания параметрического программного комплекса проектирования звукоизоляции в зданиях с учетом структурной звукопередачи.</p></abstract><trans-abstract xml:lang="en"><p>The relevance of this work is determined by inadequacy of engineering methods for calculating sound insulation, which do not consider energy losses, dimensions of constructions, influence of adjacent elements, and structural sound transmission, which is particularly relevant in using lightweight and multi-layer enclosures. The lack of tools for direct calculation of sound and vibration levels makes it difficult to assess the compliance of projects with sanitary standards.</p><sec><title>Purpose</title><p>Purpose: The aim of this work is to develop bases for mathematical simulation of the sound propagation in buildings in order to create engineering methods and software for calculating the sound insulation of enclosing structures, sound pressure levels in rooms, and vibration parameters with regard to direct, indirect, and structural energy transmission.</p></sec><sec><title>Methodology</title><p>Methodology: Energy methods (sound energy balance) and wave theory (sound energy transmission). Analytical models are used to calculate the sound insulation of single- and multi-layer structures, models of sound propagation in complex building fragments in accordance to GOST R EN 12354-1–2012 and the statistical energy analysis.</p></sec><sec><title>Research findings</title><p>Research findings: Mathematical models and algorithms are developed for a three-level calculation system: inherent sound insulation capacity of structures, sound insulation with indirect and structural transmission, sound and vibration levels in rooms based on statistical energy analysis. The proposed models form the basis for the creation of parametric software to design sound insulation in buildings, taking into account structural sound transmission. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>звук</kwd><kwd>вибрация</kwd><kwd>звукоизоляция</kwd><kwd>структурная звукопередача</kwd><kwd>математическое моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sound</kwd><kwd>vibration</kwd><kwd>sound insulation</kwd><kwd>structural sound transmission</kwd><kwd>mathematical simulation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена при поддержке ФНИ РААСН, проект  3.1.4.5.</funding-statement><funding-statement xml:lang="en">this work was financially supported by the Russian Academy of Architecture and Construction Sciences (Project No. 3.1.4.5).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Cremer L. 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