Abstract
Ushbu maqolada g‘ovak muhitda neft, suv va gaz fazalarining o‘zaro dinamik bog‘langan holda harakatlanishi bilan tavsiflanadigan ko‘p fazali filtratsiya jarayonining matematik modeli ishlab chiqilgan. Jarayon massa saqlanish qonunlari va umumlashgan Darcy tenglamalari asosida differensial tenglamalar sistemasi ko‘rinishida ifodalandi. Fazalar bosimi, to‘yinganligi hamda nisbiy o‘tkazuvchanliklar o‘rtasidagi bog‘lanishlar hisobga olinib, bosim–to‘yinganlik formulirovkasi hosil qilindi. Hosil bo‘lgan nolinear sistema chekli ayirmalar va chekli hajmlar usullari yordamida diskretlashtirildi hamda iteratsion algoritmlar asosida sonli yechildi.
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