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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="research-article" 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">31045</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2022-18-1-3-10</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Analysis and design of building structures</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Расчет и проектирование строительных конструкций</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Bulking of physically nonlinear plates under the action of dynamic shearing loads</article-title><trans-title-group xml:lang="ru"><trans-title>Выпучивание физически нелинейных пластин под действием динамических сдвигающих нагрузок</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5206-9574</contrib-id><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>Sergey P.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>Сергей Павлович</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Science, Professor, Head of the Department of Strength of Materials and Applied Mechanics, Volga State University of Technology; Professor of the Department of Electromechanics, Mari State University</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор, заведующий кафедрой сопротивления материалов и прикладной механики, Поволжский государственный технологический университет; профессор кафедры электромеханики, Марийский государственный университет</p></bio><email>IvanovSP@volgatech.net</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Volga State University of Technology</institution></aff><aff><institution xml:lang="ru">Поволжский государственный технологический университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Mari State University</institution></aff><aff><institution xml:lang="ru">Марийский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-05-23" publication-format="electronic"><day>23</day><month>05</month><year>2022</year></pub-date><volume>18</volume><issue>1</issue><issue-title xml:lang="en">VOL 18, NO1 (2022)</issue-title><issue-title xml:lang="ru">ТОМ 18, №1 (2022)</issue-title><fpage>3</fpage><lpage>10</lpage><history><date date-type="received" iso-8601-date="2022-05-23"><day>23</day><month>05</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Ivanov S.P.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Иванов С.П.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Ivanov S.P.</copyright-holder><copyright-holder xml:lang="ru">Иванов С.П.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/31045">https://journals.rudn.ru/structural-mechanics/article/view/31045</self-uri><abstract xml:lang="en"><p style="text-align: justify;">The study of the stability of plates under shear under the action of dynamic loads is one of the important problems of structural mechanics. The plates are widely used in construction, mechanical engineering, shipbuilding and aircraft building. The paper presents a method for calculating plates for shear buckling, taking into account the physical nonlinearity of the material. A plate is considered under the action of a shearing dynamic load along the edges. The calculation is based on the Kirchhoff - Love hypotheses and the hypothesis of a non-linear elastic body. The plate material is assumed to be physically nonlinear. The deformation diagram is approximated as a cubic polynomial. The deflection of the plate points is determined in the form of Vlasov - Kantorovich expansions. Basic non-linear differential equations are derived using the energy method. Lagrange’s equations are used to obtain the resolving equations for plate buckling. On the basis of the developed technique, a calculation was made for the stability of a physically nonlinear square plate under the action of a shear dynamic load. The edges of the plate are hinged. The finite system of nonlinear differential equations is integrated numerically by the Runge - Kutta method. Based on the results of calculations, plots of the dependence of the relative value of the deflection of the central point of the plate on the dynamic coefficient Kd (with and without taking into account the physical nonlinearity of the material) are plotted. The influence of the degree of physical nonlinearity of the material, the parameter of the rate of change of the shear load on the criteria for the dynamic stability of a square plate is studied.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Исследование устойчивости пластин при сдвиге под действием динамических нагрузок - одна из важных проблем строительной механики. Пластины находят широкое применение в строительстве, машино-, судо- и авиастроении. Представлена методика расчета пластин на выпучивание при сдвиге с учетом физической нелинейности материала. Рассматривается пластина под действием сдвигающей динамической нагрузки по краям. В основу расчета положены гипотезы Кирхгофа - Лява и гипотеза о нелинейно упругом теле. Материал пластины принимается физически нелинейным. Диаграмма деформирования аппроксимируется в виде кубического полинома. Прогиб точек пластины определяется в виде разложений Власова - Канторовича. Основные нелинейные дифференциальные уравнения выводятся с использованием энергетического метода. Для получения разрешающих уравнений выпучивания пластины используются уравнения Лагранжа. На основе разработанной методики выполнен расчет на устойчивость физически нелинейной квадратной пластины под действием сдвигающей динамической нагрузки. Края пластины опираются шарнирно. Конечная система нелинейных дифференциальных уравнений интегрируется численно методом Рунге - Кутта. По результатам расчетов построены графики зависимости относительной величины прогиба центральной точки пластины от динамического коэффициента Kд (с учетом и без учета физической нелинейности материала). Изучено влияние степени физической нелинейности материала и параметра скорости изменения сдвигающей нагрузки на критерии динамической устойчивости квадратной пластины.</p></trans-abstract><kwd-group xml:lang="en"><kwd>dynamic stability</kwd><kwd>plate</kwd><kwd>physical non-linearity</kwd><kwd>shear load</kwd><kwd>Vlasov - Kantorovich method</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>динамическая устойчивость</kwd><kwd>пластина</kwd><kwd>физическая нелинейность</kwd><kwd>сдвигающая нагрузка</kwd><kwd>метод Власова - Канторовича</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Volmir A.S. Stability of deformable systems. Moscow: Nauka Publ.; 1967. 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