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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >Numerical solutions of 2-D steady incompressible flow in a driven skewed cavity
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Numerical solutions of 2-D steady incompressible flow in a driven skewed cavity

机译:驱动斜腔内二维稳态不可压缩流动的数值解

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摘要

The benchmark test case for non-orthogonal grid mesh, the driven skewed cavity flow, first introduced by Demirdi et al. [5] for skew angles of α = 30?and α= 45? is reintroduced with a more variety of skew angles. The benchmark problem has non-orthogonal, skewed grid mesh with skew angle (). The governing 2-D steady incompressible Navier-Stokes equations in general curvilinear coordinates are solved for the solution of driven skewed cavity flow with non-orthogonal grid mesh using a numerical method which is efficient and stable even at extreme skew angles. Highly accurate numerical solutions of the driven skewed cavity flow, solved using a fine grid (512 ?512) mesh, are presented for Reynolds number of 100 and 1000 for skew angles ranging between 15? ≤α ≤ 165?
机译:Demirdi等人首先介绍了非正交网格的基准测试用例,即驱动斜腔流动。 [5]对于α= 30°和α= 45°的倾斜角重新引入了更多种倾斜角。基准问题具有倾斜角()的非正交,倾斜网格网格。使用数值方法求解了一般曲线坐标系中控制二维稳态不可压缩的Navier-Stokes方程,从而解决了非正交网格驱动的斜腔流问题,该方法即使在极端的斜角下也有效且稳定。对于雷诺数分别为100和1000的雷诺数(介于15°到15°之间),使用细网格(512?512)网格来求解驱动的偏腔流动的高精度数值解。 ≤α≤165?

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