Modified simple formulation on a collocated grid with an assessment of the simplified quick scheme

被引：71

作者：

Rahman, MM

Miettinen, A

Siikonen, T

机构：

[1] Department of Mechanical Engineering, Helsinki University of Technology, Laboratory of Applied Thermodynamics, Espoo

来源：

NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS | 1996年 / 30卷 / 03期

关键词：

D O I：

10.1080/10407799608915084

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The simplified QUICK scheme (transverse curvature terms are neglected) is extended to a nonuniform, rectangular, collocated grid system for the solution of two-dimensional fluid flow problems using a vertex-based finite-volume approximation. The influence of the non-pressure gradient source term is added to the Rhie-Chow interpolation method [5], and a local-mode Fourier analysis of the modified scheme demonstrates that characteristically, it is strongly elliptic and has high-frequency damping capability, which effectively eliminates the grid-scale pressure oscillations. Within this framework, the SIMPLE iteration procedure is constructed. A comparison between the present method and the control-volume-based finite-element method (CVFEM) with vorticity-stream function formulation for free convection in a cavity indicates that the proposed scheme can be applied successfully to fluid flow and heat transfer problems.

引用

页码：291 / 314

页数：24

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