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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">35858</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2023-19-2-220-232</article-id><article-id pub-id-type="edn">CTXRYX</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Geometrical investigations of middle surfaces of shells</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Геометрия срединных поверхностей оболочек</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">Modern software features for shape optimization of shells</article-title><trans-title-group xml:lang="ru"><trans-title>Cовременные возможности программного обеспечения для оптимизации формы оболочек</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4515-6220</contrib-id><name-alternatives><name xml:lang="en"><surname>Ermakova</surname><given-names>Evgenia V.</given-names></name><name xml:lang="ru"><surname>Ермакова</surname><given-names>Евгения Владимировна</given-names></name></name-alternatives><bio xml:lang="en"><p>Assistant, Department of Civil Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>ассистент, департамент строительства, инженерная академия</p></bio><email>ermakova-ev@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2206-2563</contrib-id><name-alternatives><name xml:lang="en"><surname>Rynkovskaya</surname><given-names>Marina I.</given-names></name><name xml:lang="ru"><surname>Рынковская</surname><given-names>Марина Игоревна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD, Docent of the Department of Civil Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент, доцент департамента строительства, инженерная академия</p></bio><email>rynkovskaya-mi@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-09-05" publication-format="electronic"><day>05</day><month>09</month><year>2023</year></pub-date><volume>19</volume><issue>2</issue><issue-title xml:lang="en">VOL 19, NO2 (2023)</issue-title><issue-title xml:lang="ru">ТОМ 19, №2 (2023)</issue-title><fpage>220</fpage><lpage>232</lpage><history><date date-type="received" iso-8601-date="2023-09-05"><day>05</day><month>09</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Ermakova E.V., Rynkovskaya M.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Ермакова Е.В., Рынковская М.И.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Ermakova E.V., Rynkovskaya M.I.</copyright-holder><copyright-holder xml:lang="ru">Ермакова Е.В., Рынковская М.И.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/35858">https://journals.rudn.ru/structural-mechanics/article/view/35858</self-uri><abstract xml:lang="en"><p style="text-align: justify;">Shape optimization, as one of the types of structural optimization problems, is an important process in the design of shells, since it contributes to the creation of a structure with fine performance characteristics, expansion of design variations and knowledge base to obtain high-quality results. To solve the problems associated with determining the shape and creating more advanced structures, software packages include a special optimization module, which can be based on one or more mathematical methods, the purpose of which is to provide the best solution in the shortest possible time. The research is focused on the process of shape optimization in three well-known universal software packages: Ansys Mechanical, COMSOL Multiphysics and Simulia Abaqus, as well as in Rhinoceros modeling software with a special visual Grasshopper plugin. The purpose of the study is to analyze the technology of shape optimization in four software packages and to compare them with each other in terms of the problem-solving process, user interface, the fullness of libraries, accessibility for educational purposes and system requirements for a computer. The authors specify and describe the characteristic features of each software package. It was found that all the software packages under consideration are equipped with great opportunities for shape optimization of structures and have a variety of functionality for solving this type of tasks. The development of optimization technology in calculation and modeling software packages will allow obtaining the most effective solutions in the process of designing shells of complex shapes.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Оптимизация формы как один из типов задач структурной оптимизации является важным процессом при проектировании оболочек, поскольку способствует созданию конструкции с хорошими эксплуатационными характеристиками, расширению вариантов дизайна и базы знаний для получения высококачественных результатов. Для решения проблем, связанных с определением формы и созданием более совершенных конструкций, в расчетные программы входит специальный оптимизационный модуль, который может основываться на одном или нескольких математических методах, цель которых обеспечить лучшее решение в кратчайшие сроки. Исследуется процесс проведения оптимизации формы в трех известных универсальных расчетных программах: Ansys Mechanical, COMSOL Multiphysics, Simulia Abaqus, а также в программе для моделирования Rhinoсeros со специальным визуальным плагином Grasshopper. Анализируются технологии оптимизации формы в четырех программных комплексах, проводится их сравнение по процессу решения задачи, пользовательскому интерфейсу, наполненностью библиотеками, доступности в учебных целях и системным требованиям к компьютеру. Выделяются и описываются характерные особенности каждой программы. Установлено, что все рассматриваемые программные комплексы снабжены большими возможностями для проведения оптимизации формы конструкций и имеют расширенный функционал для решения такого типа задач. Развитие технологии оптимизации в программах для расчета и моделирования позволит получить наиболее эффективные решения в процессе проектирования оболочек сложных форм.</p></trans-abstract><kwd-group xml:lang="en"><kwd>structural optimization</kwd><kwd>optimal shape</kwd><kwd>optimization module</kwd><kwd>optimization methods</kwd><kwd>software packages</kwd><kwd>calculation</kwd><kwd>modeling</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>структурная оптимизация</kwd><kwd>оптимальная форма</kwd><kwd>оптимизационный модуль</kwd><kwd>методы оптимизации</kwd><kwd>программы</kwd><kwd>расчет</kwd><kwd>моделирование</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Allaire G., Dapogny C., Jouve F. 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