کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5011652 1462652 2017 29 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Hybrid monotonicity-preserving piecewise parabolic method for compressible Euler equations
ترجمه فارسی عنوان
روش ترکیبی تک سلولی برای تطبیق چندگانه برای معادلات ایلل فشرده
کلمات کلیدی
حد شار حفظ یکنواختی، حفظ دقیق، نیرومندی، وضوح،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مکانیک محاسباتی
چکیده انگلیسی
In this article, we present a high-accuracy high-resolution hybrid scheme with strong robustness for solutions of compressible Euler equations, particularly those relating to strong discontinuity. The fifth-order monotonicity-preserving (MP5) scheme of Suresh and Huynh has high accuracy; however, its robustness is relatively weak. To improve the robustness and resolution, the MP5 scheme is conjugated with a fourth-order piecewise parabolic method (PPM) in a complementary approach. An adaptive constraint is used to detect which scheme is applied at the current position to guarantee the strong robustness and high accuracy. Through numerical experiments, our hybrid scheme demonstrates a stronger robustness and higher resolution than the traditional scheme and the hybrid scheme MP5-R by He without loss of accuracy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Fluids - Volume 159, 15 December 2017, Pages 1-8
نویسندگان
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