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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">11209</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">USTOYChIVOST' KOLEBANIY SISTEMY S KONEChNYM ChISLOM STEPENEY SVOBODY PRI STOKhASTIChESKOM VOZDEYSTVII</article-title><trans-title-group xml:lang="ru"><trans-title>УСТОЙЧИВОСТЬ КОЛЕБАНИЙ СИСТЕМЫ С КОНЕЧНЫМ ЧИСЛОМ СТЕПЕНЕЙ СВОБОДЫ ПРИ СТОХАСТИЧЕСКОМ ВОЗДЕЙСТВИИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>PAPAEV</surname><given-names>MIKhAIL ALEKSANDROVICh</given-names></name><name xml:lang="ru"><surname>ПАПАЕВ</surname><given-names>МИХАИЛ АЛЕКСАНДРОВИЧ</given-names></name></name-alternatives><bio xml:lang="ru">МГУПС (МИИТ)</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">МГУПС (МИИТ)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2009-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2009</year></pub-date><issue>2</issue><issue-title xml:lang="en">NO2 (2009)</issue-title><issue-title xml:lang="ru">№2 (2009)</issue-title><fpage>44</fpage><lpage>55</lpage><history><date date-type="received" iso-8601-date="2016-09-12"><day>12</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2016, Structural Mechanics of Engineering Constructions and Buildings</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2016, Строительная механика инженерных конструкций и сооружений</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</copyright-holder><copyright-holder xml:lang="ru">Строительная механика инженерных конструкций и сооружений</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/11209">https://journals.rudn.ru/structural-mechanics/article/view/11209</self-uri><abstract xml:lang="ru">In the article, the stability of systems with finite of degrees of freedom is considered at the determined and stochastic action on the example of a suspension bridge. Calculations are executed on two models: the first one describes oscillations of a rigidity beam of the bridge by system of two partial differential equation <file:> and the second describes the same oscillations with help of FEM. Influence of parameters of the stochastic excitation on the value of the critical parameter is investigated.</file:></abstract></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Дмитриев Ф.Д. Крушения инженерных сооружений. Стройиздат, М,: 1953. - 188с.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Власов В.З. Тонкостенные упругие стержни. - М.: ФМ, 1958 г. - 568с.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Басов К.А. Ansys: справочник пользователя. - М.: ДМК Пресс, 2005. - 604 с.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Александров А.В., Потапов В.Д., Зылев В.Б. Строительная механика. Кн. 2. 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