کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
522922 867880 2007 20 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
An immersed boundary method for compressible flows using local grid refinement
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
An immersed boundary method for compressible flows using local grid refinement
چکیده انگلیسی

This paper combines a state-of-the-art method for solving the three-dimensional preconditioned Navier–Stokes equations for compressible flows with an immersed boundary approach, to provide a Cartesian-grid method for computing complex flows over a wide range of the Mach number. Moreover, a flexible local grid refinement technique is employed to achieve high resolution near the immersed body and in other high-flow-gradient regions at a fraction of the cost required by a uniformly fine grid. The method is validated versus well documented steady and unsteady test problems, for a wide range of both Reynolds and Mach numbers. Finally, and most importantly, for the case of the laminar compressible steady flow past an NACA-0012 airfoil, a thorough mesh-refinement study shows that the method is second-order accurate.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Computational Physics - Volume 225, Issue 2, 10 August 2007, Pages 2098–2117
نویسندگان
, , , , ,