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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">RUDN Journal of Engineering Research</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Engineering Research</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Инженерные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-8143</issn><issn publication-format="electronic">2312-8151</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">4793</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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Shakedown analysis of the truss and comparing with the fundamental theoroms of alastic-plastic analysis implemented in a home-pakege and ANSYS</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ приспособляемости ферм и сравнение результатов с фундаментальной теорией упругопластического анализа включенной в исследованную программу и АНСИС</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Heidari</surname><given-names>Alireza</given-names></name><name xml:lang="ru"><surname>Хейдари</surname><given-names>Алиреза</given-names></name></name-alternatives><email>alborz.dimas@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Galishnikova</surname><given-names>Vera V</given-names></name><name xml:lang="ru"><surname>Галишникова</surname><given-names>Вера Владимировна</given-names></name></name-alternatives><email>galishni@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2014-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2014</year></pub-date><issue>1</issue><issue-title xml:lang="en">NO1 (2014)</issue-title><issue-title xml:lang="ru">№1 (2014)</issue-title><fpage>5</fpage><lpage>15</lpage><history><date date-type="received" iso-8601-date="2016-09-07"><day>07</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2014, Хейдари А., Галишникова В.В.</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Хейдари А., Галишникова В.В.</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/engineering-researches/article/view/4793">https://journals.rudn.ru/engineering-researches/article/view/4793</self-uri><abstract xml:lang="en">Research results in shakedown analysis of space steel structures are presented in this paper. The theory of shakedown and conventional methods of analysis are discussed, and the example of a shakedown of a truss-column is provided to illustrate the concepts of the nonlinear analysis and shakedown for space trusses [1; 4].</abstract><trans-abstract xml:lang="ru">В работе приводятся результаты исследования в области нелинейного расчета пространственных стальных конструкций с учетом приспособляемости. Изложены теоретические основы и традиционные методы расчета на приспособляемость. Для иллюстрации разработанного метода приведен пример нелинейного расчета пространственной решетчатой колонны и представлены диаграммы пластической работы конструкции, демонстрирующие явление приспособляемости.</trans-abstract><kwd-group xml:lang="en"><kwd>Shakedown Analysis</kwd><kwd>Limit Analysis</kwd><kwd>Plasticity</kwd><kwd>Geometrical and Material Nonlinearities</kwd><kwd>Truss Structures</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>анализ приспособляемости</kwd><kwd>предельный анализ</kwd><kwd>пластичность</kwd><kwd>геометрический и физический нелиный</kwd><kwd>ферма</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Galishnikova G., Dunaiski P., Pahl P.J. Geometrically Nonlinear Analysis of Plane Trusses and Frames. Sun Press, Stellenbosch, 2009. ISBN 978-1-920109-48-6.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Kani I.M., Heidari A. “Automatic Two-Stage Calculation of Bifurcation Path of Perfect Shallow Reticulated Domes,” ASCE // Journal of Structural Engineering. — 2007. — 133(2). — P. 185—194.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>ANSYS Registered in Peoples' Friendship University of Russia, Moscow, Russia.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>König, J.A. Shakedown of elastic-ülastic structures. Elsevier Publishers, Amsterdam, 1987.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Galishnikova V. Geometrically nonlinear analysis of deformations and stability of space frames: Doctoral Thesis, Peoples’ Friendship University of Russia, 2011. (In Russian)</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Vu Duc Khoi. 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