<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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">caht</journal-id><journal-title-group><journal-title xml:lang="ru">Научный вестник МГТУ ГА</journal-title><trans-title-group xml:lang="en"><trans-title>Civil Aviation High Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-0619</issn><issn pub-type="epub">2542-0119</issn><publisher><publisher-name>Moscow State Technical University of Civil Aviation (MSTU CA)</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">caht-855</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>Статьи</subject></subj-group></article-categories><title-group><article-title>О РЕДУКЦИЯХ И ИНВАРИАНТНЫХ РЕШЕНИЯХ МОДЕЛИ K-Ε ТУРБУЛЕНТНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>ON SYMMETRY REDUCTIONS AND INVARIANT SOLUTIONS OF THE k-ε TURBULENCE MODEL</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>Хорькова</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Khor'kova</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук, доцент кафедры «Прикладная математика»,</p><p>ninakhorkova@yandex.ru</p></bio><email xlink:type="simple">nkhorkova@diffiety.ac.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>МГТУ им. Н.Э. Баумана</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>27</day><month>12</month><year>2016</year></pub-date><volume>0</volume><issue>224</issue><fpage>70</fpage><lpage>80</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хорькова Н.Г., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Хорькова Н.Г.</copyright-holder><copyright-holder xml:lang="en">Khor'kova N.G.</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://avia.mstuca.ru/jour/article/view/855">https://avia.mstuca.ru/jour/article/view/855</self-uri><abstract><p>Методы группового анализа дифференциальных уравнений применяются к модели k - ε турбулентности. Рассмотрены редукции модели k - ε турбулентности по отношению к трехмерной подалгебре симметрий. Получены семейства точных решений</p></abstract><trans-abstract xml:lang="en"><p>Methods of theoretical group analysis of differential equations are applied to the k -ε turbulence model. Symmetry reductions of the k -ε turbulence model with respect to some three-dimensional symmetry subalgebras are considered. Families of exact solutions are obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>nonlinear differential equations</kwd><kwd>local infinitesimal symmetries</kwd><kwd>invariant solutions</kwd><kwd>the k-ε turbulence model</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nonlinear differential equations</kwd><kwd>local infinitesimal symmetries</kwd><kwd>invariant solutions</kwd><kwd>the k-ε turbulence model</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">Turbulence, Heat and Mass Transfer 8, Proceedings of the Eight International Symposium On Turbulence, Heat and Mass Transfer, Saraevo, Bosnia and Herzegovina, 15-18 September 2015. 604 p.</mixed-citation><mixed-citation xml:lang="en">Turbulence, Heat and Mass Transfer 8, Proceedings of the Eight International Symposium On Turbulence, Heat and Mass Transfer, Saraevo, Bosnia and Herzegovina, 15-18 September 2015. 604 p.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Garcia-Villalba M., Leschziner M.A., Li N., Rodi W. Large-eddy simulation of separated flow over a three-dimensional axisymmetric hill. J. Fluid Mech. 2009. Pp. 1-42.</mixed-citation><mixed-citation xml:lang="en">Garcia-Villalba M., Leschziner M.A., Li N., Rodi W. Large-eddy simulation of separated flow over a three-dimensional axisymmetric hill. J. Fluid Mech. 2009. Pp. 1-42.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Bensow R.E., Fureby C., Liefvendahl M., Persson T. Numerical investigation of the flow over an axisymmetric hill using LES, DES and RANS. Journal of Turbulence. 2006. Vol. 7. Iss. 4. Pp. 1-17.</mixed-citation><mixed-citation xml:lang="en">Bensow R.E., Fureby C., Liefvendahl M., Persson T. Numerical investigation of the flow over an axisymmetric hill using LES, DES and RANS. Journal of Turbulence. 2006. Vol. 7. Iss. 4. Pp. 1-17.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Kalugin V.T., Strijhak S.V. Physical and mathematical modeling of a detachable flow of the probe-device with disk stabilizers in the gas swirling flow. The Scientific Herald MSTUCA. Ser. Aeromechanics and Strength. Moscow. 2008. No. 125. Pp. 63-67. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Kalugin V.T., Strijhak S.V. Physical and mathematical modeling of a detachable flow of the probe-device with disk stabilizers in the gas swirling flow. The Scientific Herald MSTUCA. Ser. Aeromechanics and Strength. Moscow. 2008. No. 125. Pp. 63-67. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Kalugin V.T., Strijhak S.V. Selection of aerodynamic configuration of a probe streamlined by a turbulent swirling gas flow. 2012. Science and Education. No. 10. Pp. 181-198. DOI: 10.7463/1012.0461853. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Kalugin V.T., Strijhak S.V. Selection of aerodynamic configuration of a probe streamlined by a turbulent swirling gas flow. 2012. Science and Education. No. 10. Pp. 181-198. DOI: 10.7463/1012.0461853. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Kalugin V.T., Chernuha P.A., Chin Ch.H. Experimental and mathematical simulation of fairing aircraft with braking devices. Science and Education. 2012. No. 11. Pp. 217-232. DOI: 10.7463/1112.0489665. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Kalugin V.T., Chernuha P.A., Chin Ch.H. Experimental and mathematical simulation of fairing aircraft with braking devices. Science and Education. 2012. No. 11. Pp. 217-232. DOI: 10.7463/1112.0489665. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Jones W.P., Launder B.E. The prediction of laminarization with a two-equation model of turbulence. Internat. J. Heat Mass Transfer. 1972. Vol. 15. No. 2. Pp. 301-314.</mixed-citation><mixed-citation xml:lang="en">Jones W.P., Launder B.E. The prediction of laminarization with a two-equation model of turbulence. Internat. J. Heat Mass Transfer. 1972. Vol. 15. No. 2. Pp. 301-314.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Kollmann W. (ed.) Prediction method for turbulent flows. Washington. 1980. 468 p.</mixed-citation><mixed-citation xml:lang="en">Kollmann W. (ed.) Prediction method for turbulent flows. Washington. 1980. 468 p.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">OpenCFD Limited. OpenFOAM - Programmer’s Guide. 2009. version 1.6.</mixed-citation><mixed-citation xml:lang="en">OpenCFD Limited. OpenFOAM - Programmer’s Guide. 2009. version 1.6.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Oberlack M. Symmetries and Invariant Solutions of Turbulent Flows and their Implications for Turbulence Modelling. Theories of Turbulence. International Centre for Mechanical Sciences. 2002. Vol. 442. Pp. 301-366.</mixed-citation><mixed-citation xml:lang="en">Oberlack M. Symmetries and Invariant Solutions of Turbulent Flows and their Implications for Turbulence Modelling. Theories of Turbulence. International Centre for Mechanical Sciences. 2002. Vol. 442. Pp. 301-366.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Oberlack M., Guenther S. Shear-free turbulent diffusion - classical and new scaling laws. Fluid Dynamics Research. 2003. Vol. 33. Pp. 453-476.</mixed-citation><mixed-citation xml:lang="en">Oberlack M., Guenther S. Shear-free turbulent diffusion - classical and new scaling laws. Fluid Dynamics Research. 2003. Vol. 33. Pp. 453-476.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Efremov I.A., Kaptsov O.V., Chernykh G.G. Self-similar solutions for two problem of free turbulence. Mathematical Modelling. 2009. Vol. 21. No. 12. Pp. 137-144. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Efremov I.A., Kaptsov O.V., Chernykh G.G. Self-similar solutions for two problem of free turbulence. Mathematical Modelling. 2009. Vol. 21. No. 12. Pp. 137-144. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Kaptsov O.V., Efremov I.A., Schmidt A.V. Self-similar solutions of the second-order model of the far turbulent wake. J. Appl. Mech. Tech. Phys. 2008. Vol. 49. Pp. 217-221.</mixed-citation><mixed-citation xml:lang="en">Kaptsov O.V., Efremov I.A., Schmidt A.V. Self-similar solutions of the second-order model of the far turbulent wake. J. Appl. Mech. Tech. Phys. 2008. Vol. 49. Pp. 217-221.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Khor’kova N.G., Verbovetsky A.M. On symmetry subalgebras and conservation laws for k - ε turbulence model and the Navier-Stokes equation. Amer. Math. Soc. Transl. Series 2. 1995. Vol. 167. Pp. 61-90.</mixed-citation><mixed-citation xml:lang="en">Khor’kova N.G., Verbovetsky A.M. On symmetry subalgebras and conservation laws for k - ε turbulence model and the Navier-Stokes equation. Amer. Math. Soc. Transl. Series 2. 1995. Vol. 167. Pp. 61-90.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Vigdorovich I.I. Does the power formula describe turbulent velocity profiles in tubes? Usp. Fiz. Nauk. 2015. Vol. 185. No. 2. Pp. 213-216. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Vigdorovich I.I. Does the power formula describe turbulent velocity profiles in tubes? Usp. Fiz. Nauk. 2015. Vol. 185. No. 2. Pp. 213-216. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Bocharov A.V., Chetverikov V.N., Duzhin S.V., Khor’kova N.G., Krasil’shchik I.S. (ed.), Samokhin A.V., Torkhov Yu.N., Verbovetsky A.M., Vinogradov A.M. (ed.) Symmetries and Conservation Laws for Differential Equation of Mathemetical Phisics. Translations of Mathematical Monographs. Providence, RI: AMS. 1999. Vol. 182. 333 p.</mixed-citation><mixed-citation xml:lang="en">Bocharov A.V., Chetverikov V.N., Duzhin S.V., Khor’kova N.G., Krasil’shchik I.S. (ed.), Samokhin A.V., Torkhov Yu.N., Verbovetsky A.M., Vinogradov A.M. (ed.) Symmetries and Conservation Laws for Differential Equation of Mathemetical Phisics. Translations of Mathematical Monographs. Providence, RI: AMS. 1999. Vol. 182. 333 p.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Verbovetsky A.M., Khor’kova N.G., Chetverikov V.N. Symmetries of differential equations. Moscow. 2002. 36 p. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Verbovetsky A.M., Khor’kova N.G., Chetverikov V.N. Symmetries of differential equations. Moscow. 2002. 36 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Khor’kova N.G. Nonlocal aspects of algebraic-geometric theory of differential equations. The Herald MGTU. 2012. Special issue 2. Pp. 205-212. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Khor’kova N.G. Nonlocal aspects of algebraic-geometric theory of differential equations. The Herald MGTU. 2012. Special issue 2. Pp. 205-212. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Vitolo R.F. CDE: a Reduce package for computations in the geometry of differential equations, software, user guide and examples. 2015. (freely available at http://gdeq.org)</mixed-citation><mixed-citation xml:lang="en">Vitolo R.F. CDE: a Reduce package for computations in the geometry of differential equations, software, user guide and examples. 2015. (freely available at http://gdeq.org)</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Khor’kova N.G. On exact solutions of the k - ε turbulence model. Scientific Bulletin of MSTUCA. Moscow. 2015. No. 220. Pp. 39-46. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Khor’kova N.G. On exact solutions of the k - ε turbulence model. Scientific Bulletin of MSTUCA. Moscow. 2015. No. 220. Pp. 39-46. (in Russian).</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>
