Эволюция формы облака газа при импульсном лазерном испарении в вакуум: прямоe статистическоe моделирование и решение модельного уравнения
- Авторы: Морозов А.А.1,2, Титарев В.А.2
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Учреждения:
- Институт теплофизики им. С.С. Кутателадзе СО РАН
- ФИЦ ИУ РАН
- Выпуск: Том 63, № 12 (2023)
- Страницы: 1960-1972
- Раздел: МАТЕМАТИЧЕСКАЯ ФИЗИКА
- URL: https://journals.rcsi.science/0044-4669/article/view/233008
- DOI: https://doi.org/10.31857/S0044466923120207
- EDN: https://elibrary.ru/ZUMXKA
- ID: 233008
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Аннотация
Проведено исследование динамики разлета газа при наносекундном лазерном испарении в вакуум. Задача рассматривается в осесимметричной постановке для широкого диапазона параметров: числа испаренных монослоев и размера пятна испарения. Для получения достоверного численного решения используются два разных кинетических подхода: прямое статистическое моделирование методом Монте-Карло и решение модельного кинетического уравнения БГК. Анализируется изменение формы облака испаренного вещества в процессе разлета. Показано сильное влияние степени разреженности на форму формирующегося облака. При испарении большого числа монослоев наблюдается хорошее согласие с континуальным решением. Библ. 57. Фиг. 6.
Об авторах
А. А. Морозов
Институт теплофизики им. С.С. Кутателадзе СО РАН; ФИЦ ИУ РАН
Email: morozov@itp.nsc.ru
Россия, 630090, Новосибирск, пр-т Лаврентьева, 1; Россия, 119333, Москва, ул. Вавилова, 40
В. А. Титарев
ФИЦ ИУ РАН
Автор, ответственный за переписку.
Email: vladimir.titarev@frccsc.ru
Россия, 119333, Москва, ул. Вавилова, 40
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