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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">tumnig</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Нефть и газ</journal-title><trans-title-group xml:lang="en"><trans-title>Oil and Gas Studies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0445-0108</issn><issn pub-type="epub">3033-8174</issn><publisher><publisher-name>Industrial University of Tyumen</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31660/0445-0108-2019-6-125-131</article-id><article-id custom-type="elpub" pub-id-type="custom">tumnig-802</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ПРОЕКТИРОВАНИЕ, СООРУЖЕНИЕ И ЭКСПЛУАТАЦИЯ СИСТЕМ ТРУБОПРОВОДНОГО ТРАНСПОРТА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DESIGNING, CONSTRUCTION AND OPERATION OF PIPELINE TRANSPORT SYSTEM</subject></subj-group></article-categories><title-group><article-title>Моделирование напряженно-деформированного состояния лапы рыхлителя с гибкой стойкой</article-title><trans-title-group xml:lang="en"><trans-title>Simulation of the stress-strain state of the Ripper foot with a flexible stand</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пирогов</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Pirogov</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пирогов Сергей Петрович, доктор технических наук, профессор кафедры прикладной механики, Тюменский индустриальный университет, доцент кафедры лесного хозяйства, деревообработки и прикладной механики, Государственный аграрный университет Северного Зауралья</p><p>Тюмень </p></bio><bio xml:lang="en"><p>Sergey P. Pirogov, Doctor of Engineering, Professor at the Department of Applied Mechanics, Industrial University of Tyumen, Associate Professor at the Department of Forestry, Woodworking and Applied Mechanics, Northern Trans-Ural State Agricultural University</p><p>Tyumen</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черенцов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherentsov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Черенцов Дмитрий Андреевич, кандидат технических наук, доцент кафедры транспорта углеводородных ресурсов</p><p>Тюмень</p></bio><bio xml:lang="en"><p>Dmitry А. Cherentsov, Candidate of Engineering, Associate Professor at the Department of Transportation of Hydrocarbon Resources</p><p>Tyumen </p></bio><email xlink:type="simple">dacherentsov@tnnc.rosneft.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский индустриальный университет;&#13;
Государственный аграрный университет Северного Зауралья</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Industrial University of Tyumen;&#13;
Northern Trans-Ural State Agricultural University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Тюменский индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Industrial University of Tyumen</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>13</day><month>03</month><year>2020</year></pub-date><volume>0</volume><issue>6</issue><fpage>125</fpage><lpage>131</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пирогов С.П., Черенцов Д.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Пирогов С.П., Черенцов Д.А.</copyright-holder><copyright-holder xml:lang="en">Pirogov S.P., Cherentsov D.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://tumnig.tyuiu.ru/jour/article/view/802">https://tumnig.tyuiu.ru/jour/article/view/802</self-uri><abstract><p>В работе приводятся результаты расчета напряжений и деформаций конструкции стойки рыхлителя, выполненной в виде гибкого трубчатого элемента, при нагружении внутренним давлением и внешней силой. Для исследований использовался метод конечных элементов, реализованный в программе ANSYS. Были решены задачи построения сеточной модели трубчатого элемента, определены перемещения свободного конца и напряжений под действием внутреннего давления, найдено предельно допустимое значение давления. Определена горизонтальная составляющая силы воздействия почвы на культиватор, при которой наблюдается потеря устойчивости. Численными методами определены силы сопротивления почвы в зависимости от формы лапы и скорости движения.</p></abstract><trans-abstract xml:lang="en"><p>The article presents the results of the calculation of stresses and strains of the structure of the Ripper rack, made in the form of a flexible tubular element, under loading by internal pressure and external force. The finite element method implemented in the ANSYS program was used for the research. The problems of constructing a grid model of a tubular element were solved, displacements of the free end and stresses under the action of internal pressure were determined, the maximum allowable pressure value was found. The horizontal component of the force of influence of the soil on the cultivator, in which there is a loss of stability, is determined. The soil resistance forces were determined by numerical methods depending on the shape of the paw and the speed of movement.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>напряжение</kwd><kwd>деформация</kwd><kwd>трубчатый элемент</kwd></kwd-group><kwd-group xml:lang="en"><kwd>strain</kwd><kwd>buckling</kwd><kwd>tubular element</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Кокошин С. Н. 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