Comparison of Pressure-Based and Artificial Compressibility Methods for Solving 3D Steady Incompressible Viscous Flows
✍ Scribed by Panos Tamamidis; Guoqing Zhang; Dennis N. Assanis
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 382 KB
- Volume
- 124
- Category
- Article
- ISSN
- 0021-9991
No coin nor oath required. For personal study only.
✦ Synopsis
tions, and requires intense interpolations. Thus, ever since the collocated grid arrangement was proposed [5], stag-Pressure-based and artificial compressibility methods for calculating three-dimensional, steady, incompressible viscous flows are gered grids have seldomly been used, while collocated grids compared in this work. Each method is applied to the prediction of are being increasingly applied to recent studies [6][7][8][9][10][11][12][13][14][15]. three-dimensional, laminar flows in strongly curved ducts of square Nevertheless, there are certainly some critical issues that and circular cross sections. Numerical predictions from each require attention when using the collocated grid arrangemethod are compared with available experimental data and prement, for instance, one might need artificial damping terms, viously reported predictions using a multigrid numerical method. The accuracy, grid independence, convergence behavior, and comor a special cell face interpolation technique to avoid the putational efficiency of each method are critically examined. Hence, checkerboard problem [5]. some of the merits and demerits of each method are revealed in The artificial compressibility method (ACM) for calcuthis study.