Моделирование волн типа «бурун» для проектирования бассейна для серфинга: сравнительный анализ методов SPH и VOF

В данной работе исследуется применение бессеточного метода сглаженных частиц (SPH) для численного моделирования одиночных волн, возникающих при взаимодействии с искусственно сформированным рельфом дна в волновом бассейне. Расчеты выполнялись с использованием пакета DualSPHysics, и особое внимание уделялось детальной передаче формы свободной поверхности. Отдельно рассматривался момент опрокидывания гребня, так как он наиболее чувствителен к точности метода. Проведены серии расчетов для ряда вариантов геометрии дна и различных значений числа Фруда, позволяющих оценить влияние глубины и кинематических параметров на формирование волны. Для дополнительной проверки достоверности результатов были выполнены параллельные расчеты в OpenFOAM на основе метода конечных объемов (VOF + RANS). Полученные численные данные сопоставлены с экспериментальными результатами из открытой литературы. Сравнение показало хорошую согласованность SPH-моделирования с доступными измерениями и подтвердило возможность применения метода для анализа и оптимизации геометрии рельефа при проектировании серфинговых бассейнов.

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