- Код статьи
- S3034533S0044466925020081-1
- DOI
- 10.7868/S303453325020081
- Тип публикации
- Статья
- Статус публикации
- Опубликовано
- Авторы
- Том/ Выпуск
- Том 65 / Номер выпуска 2
- Страницы
- 222-234
- Аннотация
- В данной работе рассматривается пример совместного использования сеточно-характеристического метода на регулярных структурированных расчетных сетках и разрывного метода Галеркина на тетраэдральных сетках для решения трехмерной прямой задачи распространения упругих волн в геологической среде, состоящей из четырех слоев, представляемых в виде линейно-упругой среды, с разными параметрами и произвольными криволинейными границами. Для сшивки численных методов используется специальный алгоритм, учитывающий особенности перехода от нерегулярной тетраэдральной расчетной сетки к регулярной структурированной расчетной сетки в трехмерном пространстве. Приведен сравнительный анализ сходимости полученного комбинированного метода с сеточно-характеристическим методом на криволинейных структурированных расчетных сетках в зависимости от изменения шага по пространственным направлениям. Получено волновое поле модуля скорости распространения возмущения от источника. Библ. 32. Фиг. 14. Табл. 3.
- Ключевые слова
- численное моделирование сеточно-характеристический метод разрывный метод Галеркина расчетные сетки сейсморазведка сейсмическая топография
- Дата публикации
- 01.02.2025
- Год выхода
- 2025
- Всего подписок
- 0
- Всего просмотров
- 73
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