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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">donstu</journal-id><journal-title-group><journal-title xml:lang="en">Advanced Engineering Research (Rostov-on-Don)</journal-title><trans-title-group xml:lang="ru"><trans-title>Advanced Engineering Research (Rostov-on-Don)</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2687-1653</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/1992-5980-2020-20-2-118-124</article-id><article-id custom-type="elpub" pub-id-type="custom">donstu-1660</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="en"><subject>MECHANICS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МЕХАНИКА</subject></subj-group></article-categories><title-group><article-title>Transverse vibrations of a circular bimorph with piezoelectric and piezomagnetic layers</article-title><trans-title-group xml:lang="ru"><trans-title>Поперечные колебания круглого биморфа с пьезоэлектрическим и пьезомагнитным слоями</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8465-5554</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьев</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Solov'ev</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соловьев Аркадий Николаевич - заведующий кафедрой теоретической и прикладной механики, доктор физико-математических наук, профессор.</p><p>344000, Ростов-на-Дону, пл. Гагарина, 1.</p><p>Researcher ID H-7906-2016, Scopus ID 55389991900</p></bio><bio xml:lang="en"><p>Rostov-on-Don.</p></bio><email xlink:type="simple">Solovievarc@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1002-2468</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бинь</surname><given-names>До Тхань</given-names></name><name name-style="western" xml:lang="en"><surname>Do</surname><given-names>Thanh Binh</given-names></name></name-alternatives><bio xml:lang="ru"><p>До Тхань Бинь - аспирант кафедры теоретической и прикладной механики.</p><p>344000, Ростов-на-Дону, пл. Гагарина, 1.</p></bio><bio xml:lang="en"><p>Rostov-on-Don.</p></bio><email xlink:type="simple">Dothanhbinh@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7410-0061</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лесняк</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Lesnyak</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лесняк Ольга Николаевна - доцент кафедры теоретической и прикладной механики.</p><p>344000, Ростов-на-Дону, пл. Гагарина, 1.</p></bio><bio xml:lang="en"><p>Rostov-on-Don.</p></bio><email xlink:type="simple">Lesniak.olga@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>12</day><month>07</month><year>2020</year></pub-date><volume>20</volume><issue>2</issue><fpage>118</fpage><lpage>124</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Solov'ev A.N., Do T.B., Lesnyak O.N., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Соловьев А.Н., Бинь Д.Т., Лесняк О.Н.</copyright-holder><copyright-holder xml:lang="en">Solov'ev A.N., Do T.B., Lesnyak O.N.</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://www.vestnik-donstu.ru/jour/article/view/1660">https://www.vestnik-donstu.ru/jour/article/view/1660</self-uri><abstract><sec><title>Introduction</title><p>Introduction. Transverse axisymmetric oscillations of a bimorph with two piezo-active layers, piezoelectric and piezomagnetic, are studied. This element can be applied in an energy storage device which is in an alternating magnetic field. The work objective is to study the dependence of resonance and antiresonance frequencies, and electromechanical coupling factor, on the geometric parameters of the element.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. A mathematical model of the piezoelement action is a boundary value problem of linear magneto-electro-elasticity. The element consists of three layers: two piezo-active layers (PZT-4 and CoFe2O4) and a centre dead layer made of steel. The finite element method implemented in the ANSYS package is used as a method for solving a boundary value problem.</p></sec><sec><title>Results</title><p>Results. A finite element model of a piezoelement in the ANSYS package is developed. Problems of determining the natural frequencies of resonance and antiresonance are solved. Graphic dependences of these frequencies and the electromechanical coupling factor on the device geometrics, the thickness and radius of the piezo-active layers, are constructed.</p><p>Discussion and Conclusions. The results obtained can be used under designing the working element of the energy storage device due to the action of an alternating magnetic field. The constructed dependences of the eigenfrequencies of the resonance and antiresonance on the geometric parameters of the piezoelement provide selecting the sizes of the piezo-active layers for a given working frequency with the highest electromechanical coupling factor.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Введение</title><p>Введение. Статья посвящена исследованию поперечных осесимметричных колебаний биморфа с двумя пьезоактивными слоями: пьезоэлектрическим и пьезомагнитным. Этот элемент может найти применение в устройстве накопления энергии, которое находится в переменном магнитном поле. Целью работы являлось исследование зависимости частот резонанса, антирезонанса и коэффициента электромеханической связи от геометрических параметров элемента.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Математической моделью работы пьезоэлемента является краевая задача линейной магнитоэлектроупругости. Элемент состоит из трех слоев: двух пьезоактивных (PZT-4 и CoFe2O4) и среднего пассивного слоя, выполненного из стали. В качестве метода решения краевой задачи используется метод конечных элементов, реализованный в пакете ANSYS.</p></sec><sec><title>Результаты исследования</title><p>Результаты исследования. Разработана конечно-элементная модель пьезоэлемента в пакете ANSYS. Решены задачи определения собственных частот резонанса и антирезонанса. Построены графические зависимости этих частот и коэффициента электромеханической связи в зависимости от геометрических параметров устройства — толщины и радиуса пьезоактивных слоев.</p></sec><sec><title>Обсуждение и заключения</title><p>Обсуждение и заключения. Полученные результаты могут быть использованы в процессе конструирования рабочего элемента устройства накопления энергии за счет действия переменного магнитного поля. Построенные зависимости собственных частот резонанса и антирезонанса от геометрических параметров пьезоэлемента позволяют выбрать размеры пьезоактивных слоев для заданной рабочей частоты при наибольшем коэффициенте электромеханической связи.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>устройство накопления энергии</kwd><kwd>пьезоэлектрики</kwd><kwd>пьезомагнетики</kwd><kwd>метод конечных элементов</kwd><kwd>собственные частоты колебаний</kwd></kwd-group><kwd-group xml:lang="en"><kwd>energy storage device</kwd><kwd>piezoelectrics</kwd><kwd>piezomagnetics</kwd><kwd>finite element method</kwd><kwd>natural oscillation frequencies</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Министерства науки и высшего образования Российской Федерации, проектная часть государственного заказа № 9.1001.2017/ПЧ и Правительства Российской Федерации, контракт № 075-15-2019-1928.</funding-statement><funding-statement xml:lang="en">The research is done with the support from the RF Ministry of Education and Science (project part of state order no. 9.1001.2017/ПЧ) and the Government of the Russian Federation (contract no. 075-15-20191928).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Shevtsov S. 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