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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-408</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>МЕТОД ВЗВЕШЕННОЙ ТЕМПЕРАТУРНОЙ ФУНКЦИИ В РЕШЕНИИ ЗАДАЧ НЕСТАЦИОНАРНОЙ ТЕПЛОПРОВОДНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>WEIGHTED TEMPERATURE FUNCTION METHOD FOR SOLUTION OF UNSTEADY-STATE HEAT CONDUCTION PROBLEMS</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>Кот</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kot</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, ст. науч. сотрудник</p></bio><bio xml:lang="en"><p>Ph. D. (Engineering), Senior researcher</p></bio><email xlink:type="simple">valery.kot@hmti.ac.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт тепло- и массообмена имени А. В. Лыкова НАН Беларуси, Минск</institution></aff><aff xml:lang="en"><institution>A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus, Minsk</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>29</day><month>04</month><year>2017</year></pub-date><volume>61</volume><issue>2</issue><fpage>64</fpage><lpage>73</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кот В.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Кот В.А.</copyright-holder><copyright-holder xml:lang="en">Kot V.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://doklady.belnauka.by/jour/article/view/408">https://doklady.belnauka.by/jour/article/view/408</self-uri><abstract><p>Предложен приближенный интегральный метод решения краевых задач нестационарной теплопроводности, основанный на построении интегральных тождественных равенств относительно взвешенной температурной функции. Метод обладает простотой и, в отличие от других приближенных методов, позволяет получать решения с более высокой точностью.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>An approximate integral method based on constructing integral identical equalities for the weighted temperature function is proposed for solution of unsteady-state heat conduction boundary-value problems. This method is simple in use and allows one to obtain much more exact solutions as compared to the known approximate methods.</p><p> </p></trans-abstract><kwd-group xml:lang="ru"><kwd>уравнение теплопроводности</kwd><kwd>весовая функция</kwd><kwd>приближенный метод</kwd><kwd>интегральные тождества</kwd><kwd>собственные значения</kwd><kwd>фронт возмущения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heat conduction equation</kwd><kwd>weight function</kwd><kwd>approximate method</kwd><kwd>integral identities</kwd><kwd>eigenvalues</kwd><kwd>front of a disturbance</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">Власова, Е. А. Приближенные методы математической физики / Е. А. Власова, В. С. Зарубин, Г. Н. Кувыркин. – М.: Изд-во МГТУ им. Н. Э. Баумана, 2001. – 700 с.</mixed-citation><mixed-citation xml:lang="en">Vlasova E. A., Zarubin V. S., Kuvyrkin G. N. Approximate methods of mathematical physics. Moscow, Publishing house of the Moscow State Technical University N. E. Bauman, 2001. 700 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Зарубин, В. С. Математическое моделирование в технике / В. С. Зарубин. – М.: Изд-во МГТУ им. Н. Э. Баумана, 2003. – 496 с.</mixed-citation><mixed-citation xml:lang="en">Zarubin V. S. Mathematical modeling in technology. Moscow, Publishing house of the Moscow State Technical University N. E. Bauman, 2003. 496 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Флетчер, К. Численные методы на основе метода Галеркина / К. Флетчер; пер. с англ. – М.: Мир, 1988. – 352 с.</mixed-citation><mixed-citation xml:lang="en">Fletcher K. Numerical Methods Based on the Galerkin Method. Moscow, Mir Publ., 1988. 352 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Михлин, С. Г. Вариационные методы в математической физике / С. Г. Михлин. – М.: Наука, 1970. – 512 с.</mixed-citation><mixed-citation xml:lang="en">Mikhlin S. G. Variational methods in mathematical physics. Moscow, Nauka Publ., 1970. 512 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Wood, A. S. A new look at the heat balance integral method / A. S. Wood // Appl. Math. Model. – 2001. – Vol. 25, N 10. – P. 815–824. doi.org/10.1016/s0307-904x(01)00016-6.</mixed-citation><mixed-citation xml:lang="en">Wood A. S. A new look at the heat balance integral method. Applied Mathematical Modelling, 2001, vol. 25, no. 10, pp. 815–824. doi.org/10.1016/s0307-904x(01)00016-6.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Mitchell, S. L. Application of standard and refined heat balance integral methods to one-dimensional Stefan problems / S. L. Mitchell, T. G. Myers // SIAM Review. – 2010. – Vol. 52, N 1. – P. 57–86. doi.org/10.1137/080733036.</mixed-citation><mixed-citation xml:lang="en">Mitchell S. L., Myers T. G. Application of standard and refined heat balance integral methods to one-dimensional Stefan problems. SIAM Review, 2010, vol. 52, no. 1, pp. 57–86. doi.org/10.1137/080733036.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Myers, T. G. Optimizing the exponent in the heat balance and refined integral methods / T. G. Myers // Int. Commun. Heat Mass Transfer. – 2009. – Vol. 36, N 2. – P. 143–147. doi.org/10.1016/j.icheatmasstransfer.2008.10.013.</mixed-citation><mixed-citation xml:lang="en">Myers T. G. Optimizing the exponent in the heat balance and refined integral methods. International Communications in Heat and Mass Transfer, 2009, vol. 36, no. 2, pp. 143–147. doi.org/10.1016/j.icheatmasstransfer.2008.10.013.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Layeni, O. P. Hybrids of the heat balance integral method / O. P. Layeni, J. V. Johnson // Appl. Math. Comput. – 2012. – Vol. 218, N 14/15. – P. 7431–7444. doi.org/10.1016/j.amc.2012.01.001.</mixed-citation><mixed-citation xml:lang="en">Layeni O. P., Johnson J. V. Hybrids of the heat balance integral method. Applied Mathematics and Computation, 2012, vol. 218, no. 14, pp. 7431–7444. doi.org/10.1016/j.amc.2012.01.001.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Mitchell, S. L. Improving the accuracy of heat balance integral methods applied to thermal problems with time dependent boundary conditions / S. L. Mitchell, T. G. Myers // Int. J. Heat and Mass Transfer. – 2010. – Vol. 53, N 17/18. – P. 3540–3551. doi.org/10.1016/j.ijheatmasstransfer.2010.04.015.</mixed-citation><mixed-citation xml:lang="en">Mitchell S. L., Myers T. G. Improving the accuracy of heat balance integral methods applied to thermal problems with time dependent boundary conditions. International Journal of Heat and Mass Transfer, 2010, vol. 53, no. 17/18, pp. 3540– 3551. doi.org/10.1016/j.ijheatmasstransfer.2010.04.015.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Кот, В. А. Тождества взвешенной температуры / В. А. Кот // Инженерно-физический журнал. – 2015. – Т. 88, № 2. – С. 409–424.</mixed-citation><mixed-citation xml:lang="en">Kot V. A. Weighted temperature identities. Journal of Engineering Physics and Thermophysics, 2015, vol. 88, no. 2, pp. 423–438. doi.org/10.1007/s10891-015-1207-5.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Лыков, В. А. Теория теплопроводности / В. А. Лыков. – М.: Высшая школа, 1967. – 600 с.</mixed-citation><mixed-citation xml:lang="en">Lykov V. A. Theory of heat conduction. Moscow, Vysshaya shkola, 1967. 600 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Carslow, H. S. Conduction of Heat in Solids / H. S. Carslow, J. C. Jaeger. – Oxford, UK: Oxford University Press, 1992. – 510 p</mixed-citation><mixed-citation xml:lang="en">Carslow H. S., Jaeger J. C. Conduction of Heat in Solids. Oxford, UK, Oxford University Press, 1992. 510 p</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
