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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">geophystech</journal-id><journal-title-group><journal-title xml:lang="ru">Геофизические технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Geophysical Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2619-1563</issn><publisher><publisher-name>IPGG SB RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18303/2619-1563-2024-1-60</article-id><article-id custom-type="elpub" pub-id-type="custom">geophystech-347</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>Численное моделирование двухфазных потоков методом фазового поля</article-title><trans-title-group xml:lang="en"><trans-title>Numerical simulation of twophase flows on the base of phase-field method</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1595-7142</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хачкова</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khachkova</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ХАЧКОВА Татьяна Станиславовна – кандидат физико-математических наук, старший научный сотрудник лаборатории вычислительной физики горных пород, </p><p>630090, Новосибирск, просп. Акад. Коптюга, 3.</p></bio><bio xml:lang="en"><p>3, Koptyug Ave., Novosibirsk, 630090.</p></bio><email xlink:type="simple">KhachkovaTS@ipgg.sbras.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/0009-0009-0619-1198</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гондюл</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gondul</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ГОНДЮЛ Елена Александровна – аспирант НГУ, младший научный сотрудник,</p><p>630090, Новосибирск, просп. Акад. Коптюга, 4.</p></bio><bio xml:lang="en"><p>4, Koptyug Ave., Novosibirsk, 630090.</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3544-4878</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лисица</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lisitsa</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ЛИСИЦА Вадим Викторович – доктор физико-математических наук, заведующий лабораторией вычислительной физики горных пород,</p><p>630090, Новосибирск, просп. Акад. Коптюга, 3.</p></bio><bio xml:lang="en"><p>3, Koptyug Ave., Novosibirsk, 630090.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8547-930X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прохоров</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Prokhorov</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ПРОХОРОВ Дмитрий Игоревич – научный сотрудник,</p><p>630090, Новосибирск, просп. Акад. Коптюга, 4.</p></bio><bio xml:lang="en"><p>4, Koptyug Ave., Novosibirsk, 630090.</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>КОСТИН Виктор Иванович – кандидат физико-математических наук, старший научный сотрудник лаборатории вычислительной физики горных пород,</p><p>630090, Новосибирск, просп. Акад. Коптюга, 3.</p><p> </p></bio><bio xml:lang="en"><p>3, Koptyug Ave., Novosibirsk, 630090.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН<country>Россия</country></aff><aff xml:lang="en">Trofimuk Institute of Petroleum Geology and Geophysics, SB RAS<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт математики им. С.Л. Соболева СО РАН<country>Россия</country></aff><aff xml:lang="en">Sobolev Institute of Mathematics SB RAS<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>17</day><month>07</month><year>2024</year></pub-date><volume>0</volume><issue>1</issue><issue-title>Спецвыпуск</issue-title><fpage>60</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хачкова Т.С., Гондюл Е.А., Лисица В.В., Прохоров Д.И., Костин В.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Хачкова Т.С., Гондюл Е.А., Лисица В.В., Прохоров Д.И., Костин В.И.</copyright-holder><copyright-holder xml:lang="en">Khachkova T.S., Gondul E.A., Lisitsa V.V., Prokhorov D.I., Kostin V.I.</copyright-holder><license 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.rjgt.ru/jour/article/view/347">https://www.rjgt.ru/jour/article/view/347</self-uri><abstract><p>Описан подход к численному моделированию двухфазных флюидопотоков, основанный на методе фазового поля, в котором фазы задаются функцией концентрации. Эта функция является гладкой, так что межфазная граница заменяется достаточно тонким слоем, в котором значения функции концентрации непрерывно изменяются. Такое представление позволяет устойчиво вычислять силы поверхностного натяжения и проводить учет угла смачивания при использовании метода конечных разностей для численного моделирования флюидопотоков и переноса фазы. Работоспособность подхода иллюстрируется на ряде тестовых примеров.</p></abstract><trans-abstract xml:lang="en"><p>We present a numerical approach to simulate the two-phase flows. The approach is based on the phase-field method where the phase is defined by the concentration function. This function smoothly varied from zero to one to distinguish between the phases. However, the phase interface is substituted by a thin enough layer where the phases are artificially mixed. Such representation of the phases simplifies evaluation of the interfacial tension and approximation of the wetting angles when the finite differences are used to approximate the problem. We verified the approach over a series of tests.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многофазные флюидопотоки</kwd><kwd>метод фазового поля</kwd><kwd>цифровой керн</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multi-phase flows</kwd><kwd>phase-field method</kwd><kwd>digital rock physics</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена в рамках проекта ФНИ FWZZ-2022-0022 и при поддержке Российского научного фонда, грант № 19-77-20004-П.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The study was carried out as part of government assignment to the Russian Academy of Sciences in basic research, Project FWZZ-2022-0022, and supported by the Russian Science Foundation, Project No. 19-77-20004-P.</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">Базайкин Я.В., Колюхин Д.Р., Лисица В.В., Новиков М.А., Решетова Г.В., Хачкова Т.С. 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