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مائده اسکوهی کاظم اسماعیلی

چکیده

در این پژوهش به بررسی روش ‏های مختلف شبیه‌سازی آشفتگی جریان پرداخته شده است. پس از مشخص نمودن ویژگی‌های اصلی آشفتگی و نقش آن در هیدرولیک، بررسی مختصری از روش‌های اصلی در محاسبات آشفتگی جریان هیدرولیکی ارائه شده است. این روش ‏ها عبارت است از: 1- روابط تجربی، 2- روش‌های حل معادلات ناویر-استوکس (RANS)، 3- شبیه‌سازی‌ عددی مستقیم (DNS) و 4- شبیه‌سازی گردابه‏ های بزرگ (LES). نظرات مختصر در مورد توسعه تاریخی روش ‏های مختلف ارائه‏ شده است. برای روش‏ های RANS ،DNS و LES برخی از نمونه‌های کاربردی ارائه شد که بیانگر توسعه مدل‏ های عددی در طی زمان می‏ باشد و پیشرفت شگرفی داشته است.

جزئیات مقاله

کلمات کلیدی

جریان آشفته, مدل‌سازی, مدل RANS, شبیه‌سازی عددی مستقیم, شبیه‌سازی گردابه ‏های بزرگ

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ارجاع به مقاله
اسکوهیم., & اسماعیلیک. (1970). تکامل تاریخی مدل‏سازی و شبیه‌سازی جریان‌های متلاطم در هیدرولیک. آب و توسعه پایدار, 5(2), 49-60. https://doi.org/10.22067/jwsd.v5i2.68927
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