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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">pribor</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Приборостроение</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Instrument Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3454</issn><issn pub-type="epub">2500-0381</issn><publisher><publisher-name>Национальный исследовательский университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/0021-3454-2025-68-4-333-341</article-id><article-id custom-type="elpub" pub-id-type="custom">pribor-365</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>МЕТОДЫ И ПРИБОРЫ ДЛЯ АНАЛИЗА И КОНТРОЛЯ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR MONITORING AND DIAGNOSTICS OF MATERIALS, PRODUCTS, SUBSTANCES AND THE NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Исследование квазистатических колебаний пьезоэлектрического диска с использованием конечно-элементного моделирования и лазерной интерферометрии</article-title><trans-title-group xml:lang="en"><trans-title>Study of Quasi-static Vibrations of a Piezoelectric Disk Using Finite Element Modeling and Laser Interferometry</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>Бражников</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Brazhnikov</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артём Максимович Бражников — аспирант; кафедра „Радиотехнические устройства“; инженер</p><p>Самара</p></bio><bio xml:lang="en"><p>Artem M. Brazhnikov — Post-Graduate Student; Department of Radio Engineering Devices; Engineer</p><p>Samara</p></bio><email xlink:type="simple">ArtemBragnicov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ганигин</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ganigin</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Юрьевич Ганигин — д-р техн. наук, профессор; кафедра „Радиотехнические устройства“; заведующийкафедрой</p><p>Самара</p></bio><bio xml:lang="en"><p>Sergei Yu. Ganigin — Dr. Sci., Professor; Department of Radio Engineering Devices; Head of the Department</p><p>Samara</p></bio><email xlink:type="simple">ganigin.s.yu@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский государственный технический университет</institution></aff><aff xml:lang="en"><institution>Samara State Technical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>07</day><month>05</month><year>2025</year></pub-date><volume>68</volume><issue>4</issue><fpage>333</fpage><lpage>341</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Национальный исследовательский университет ИТМО, 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Национальный исследовательский университет ИТМО</copyright-holder><copyright-holder xml:lang="en">Национальный исследовательский университет ИТМО</copyright-holder><license xlink:href="https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://pribor.ifmo.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://pribor.ifmo.ru/jour/article/view/365">https://pribor.ifmo.ru/jour/article/view/365</self-uri><abstract><p>Исследованы квазистатические колебания пьезоэлектрического диска с несколькими электродами с целью определения их оптимальной конфигурации при работе пьезоэлемента в составе устройства. Первым критерием оптимальности выступает величина осевых деформаций геометрического центра поверхности пьезо элемента. Вторым критерием выбрана величина напряжения отклика, снимаемая с электрода обратной связи пьезоэлемента. Построена конечно-элементная модель пьезоэлектрического преобразователя в программном продукте Ansys Workbench. Рассчитаны значения напряжения отклика и амплитуды осевых деформаций при различных конфигурациях электродов. Проведены экспериментальные исследования напряжения отклика при работе преобразователя на частоте резонанса 1200 Гц и на частоте много ниже частоты резонанса — при 300 Гц. С помощью методов лазерной интерферометрии экспериментально исследованы значения осевой деформации. Исследование деформации проводилось при частоте 400 Гц. Результаты моделирования и экспериментов показали сходные тенденции. Расхождение результатов моделирования с экспериментальными данными обусловлено отличием реальных значений пьезомодулей от справочных данных производителя. Полученные результаты позволяют сформулировать рекомендации по расположению и назначению электродов дисковых пьезоэлектрических преобразователей.</p></abstract><trans-abstract xml:lang="en"><p>Quasi-static oscillations of a piezoelectric disk with several electrodes are studied in order to determine their optimal configuration during operation of the piezoelectric element as part of a device. The first criterion of optimality is the value of axial deformations of the geometric center of the piezoelectric element surface. The second criterion is the value of the response voltage taken from the feedback electrode of the piezoelectric element. A finite element model of the piezoelectric transducer is built in the Ansys Workbench software product. The values of the response voltage and the amplitude of axial deformations are calculated for various electrode configurations. Experimental studies of the response voltage at various frequencies of the transducer are carried out: at a resonance frequency of 1200 Hz and far from the resonance frequency at 300 Hz. Using laser interferometry methods, the values of axial deformation are experimentally studied at a frequency of 400 Hz. The results of modeling and experimental studies show similar trends. The discrepancy between the simulation results and the experimental data is due to the discrepancy between the actual values of the piezomodules and the manufacturer’s reference data. The results obtained allow us to formulate recommendations on the location and purpose of the electrodes of disk piezoelectric transducers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пьезоэлектрический преобразователь</kwd><kwd>конечно-элементное моделирование</kwd><kwd>лазерная интерферометрия</kwd><kwd>квазистатические колебания</kwd><kwd>пьезоэлемент</kwd><kwd>деформация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>piezoelectric transducer</kwd><kwd>finite element modeling</kwd><kwd>laser interferometry</kwd><kwd>quasi-static oscillations</kwd><kwd>piezoelectric element</kwd><kwd>deformation</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">Ivina N. F. Analysis of the natural vibrations of circular piezoceramic plates with partial electrodes // Acoustical physics. 2001. Vol. 47, N 6. P. 417–420.</mixed-citation><mixed-citation xml:lang="en">Ivina N.F. 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