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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">Izvestiya MGTU MAMI</journal-id><journal-title-group><journal-title xml:lang="en">Izvestiya MGTU MAMI</journal-title><trans-title-group xml:lang="ru"><trans-title>Известия МГТУ “МАМИ“</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2074-0530</issn><issn publication-format="electronic">2949-1428</issn><publisher><publisher-name xml:lang="en">Moscow Polytechnic University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">67142</article-id><article-id pub-id-type="doi">10.17816/2074-0530-67142</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">Supplementary stress method convergence rate acceleration</article-title><trans-title-group xml:lang="ru"><trans-title>Ускорение сходимости метода дополнительных деформаций</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lazarev</surname><given-names>A. A</given-names></name><name xml:lang="ru"><surname>Лазарев</surname><given-names>А. А</given-names></name></name-alternatives><email>tejoum@ciam.ru</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">Central Institute of Aviation Motors</institution></aff><aff><institution xml:lang="ru">ЦИАМ им. П.И. Баранова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Bauman Moscow State Technical University</institution></aff><aff><institution xml:lang="ru">МГТУ им. Н.Э. Баумана</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-08-10" publication-format="electronic"><day>10</day><month>08</month><year>2015</year></pub-date><volume>9</volume><issue>3-4</issue><issue-title xml:lang="en">VOL 4, NO3 (2015)</issue-title><issue-title xml:lang="ru">ТОМ 9, №3 (2015)</issue-title><fpage>114</fpage><lpage>122</lpage><history><date date-type="received" iso-8601-date="2021-04-30"><day>30</day><month>04</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2015, Lazarev A.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2015, Лазарев А.А.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="en">Lazarev A.A.</copyright-holder><copyright-holder xml:lang="ru">Лазарев А.А.</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/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/2074-0530/article/view/67142">https://journals.eco-vector.com/2074-0530/article/view/67142</self-uri><abstract xml:lang="en"><p>Efficiency of supplementary stress method convergence rate acceleration by Aitken δ 2-method is shown using BEM for beam elastoplastic torsion problem solution as example. Aitken method with two iteration before relaxation and Aitken method with relaxation in each iteration step convergence rates were studied numerically.</p></abstract><trans-abstract xml:lang="ru"><p>Показана эффективность метода Эйткена ускорения сходимости итерационного процесса метода дополнительных деформаций на примере решения задачи о кручении стержня в упругопластической постановке методом граничных элементов. Рассмотрены варианты с уточнением решения через одну итерацию и на каждой итерации, проведено численное исследование скорости сходимости.</p></trans-abstract><kwd-group xml:lang="en"><kwd>supplementary stress method</kwd><kwd>Aitken’s δ -method</kwd><kwd>plasticity</kwd><kwd>boundary element method</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>метод дополнительных деформаций</kwd><kwd>δ -метод Эйткена</kwd><kwd>пластичность</kwd><kwd>метод граничных элементов</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Биргер И.А. Некоторые общие методы решения задач теории пластичности / ПММ. т. 15, вып. 6, 1951. - С. 765-770.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Темис Ю.М. Применение метода Ньютона-Канторовича при решении задач деформационной теории пластичности // Труды ЦИАМ, № 1256, 1988.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Temis J.M. Iterative method convergence for solving problems of deformation theory of plasticity // Computational methods in engineering advances &amp; applications. World scientific. Singa- pore. Vol. 2, 1992, p. 1276-1281.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Бреббия К., Теллес Ж., Вроубел Л. Методы граничных элементов. М.:Мир, 1987.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Бахвалов Н.С., Жидков Н.П., Кобельков Г.М. Численные методы. М.: БИНОМ. Лаборатория знаний, 2006.</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Küttler U., Wall W.A. Fixed-point fluid-structure interaction solvers with dynamic relaxation. // Springer-Verlag. Computational Mechanics, No.43, 2008. P. 61-72.</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Биргер И.А., Мавлютов Р.Р. Сопротивление материалов. М.: Наука, 1986.</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Темис Ю.М., Лазарев А.А., Маланова О.Л. Обобщенный метод дополнительных деформаций в задаче о кручении стержня // Известия МГТУ «МАМИ». - М.: МГТУ «МАМИ», №2 (14), 2012, т. 2, с. 336-341.</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Temis Y.M., Karaban V.V. Boundary element technique in torsion problems of beams with multiply connected cross-sections // J. KSIAM. vol.5, No.2, 2001, P. 39-51.</mixed-citation></ref></ref-list></back></article>
