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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">11160</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">APPLICATION OF RUNGE-KUTT METHOD AND RUNNING TRI-DIAGONAL MATRIX FOR OPEN HELICOIDAL SHELL CALCULATION</article-title><trans-title-group xml:lang="ru"><trans-title>ПРИМЕНЕНИЕ МЕТОДА РУНГЕ-КУТТА И МЕТОДА ПРОГОНКИ К РАСЧЕТУ ДЛИННОГО ПОЛОГОГО ТОРСА-ГЕЛИКОИДА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rynkovskaya</surname><given-names>M I</given-names></name><name xml:lang="ru"><surname>РЫНКОВСКАЯ</surname><given-names>МАРИНА ИГОРЕВНА</given-names></name></name-alternatives><bio xml:lang="ru">канд. техн. наук, ассистент</bio><email>marine_step@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples Friendship University of Russia, Moscow</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2014-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2014</year></pub-date><issue>3</issue><issue-title xml:lang="en">NO3 (2014)</issue-title><issue-title xml:lang="ru">№3 (2014)</issue-title><fpage>77</fpage><lpage>80</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/11160">https://journals.rudn.ru/structural-mechanics/article/view/11160</self-uri><abstract xml:lang="en">The example of the application of the method of Runge-Kutt and running tri-diagonal matrix for thin elastic open helicoidal shells calculations is presented. Comparison of results obtained by half-analytical and analytical methods is given.</abstract><trans-abstract xml:lang="ru">В статье показана возможность применения полуаналитического подхода с при- менением метода Рунге-Кутта и метода прогонки к расчету длинного тонкого полого- го торса-геликоида. Дается сравнение результатов, полученных полуаналитическим и аналитическим методами</trans-abstract><kwd-group xml:lang="en"><kwd>open helicoidal shell</kwd><kwd>Runge-Kutt method</kwd><kwd>running tridiagonal matrix</kwd><kwd>half-analytical method of small parameter</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>торс-геликоид</kwd><kwd>метод Рунге-Кутта</kwd><kwd>метод прогонки</kwd><kwd>полу- аналитический метод малого параметра</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Кривошапко С.Н. 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