کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4964013 1447416 2017 26 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A central moments-based lattice Boltzmann scheme for shallow water equations
ترجمه فارسی عنوان
یک طرح مرکزی مبتنی بر لحظات بولتزمن برای معادلات آب کم عمق
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
چکیده انگلیسی
In this paper, we explore the possibility to derive an original lattice Boltzmann scheme for solving shallow water equations. Specifically, it is proposed to decompose the collision operator by means of a non-orthogonal basis of central moments which relax independently to a discrete equilibrium. Our method is strictly consistent with the BGK operator, as the latter is recovered exactly if all the moments relax with a common frequency. The methodology is validated against five well-consolidated established benchmark problems, showing very good agreement. Moreover, it possesses very high properties in terms of stability.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computer Methods in Applied Mechanics and Engineering - Volume 319, 1 June 2017, Pages 379-392
نویسندگان
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