本文采用LU-SGS-GE隐式格式和改良型高精度、高分辨率的MUSCL TVD格式求解平均的Navier-Stokes方程和低Reynolds数q-ω双方程湍流模型.利用分区处理及分布式网络并行计算技术,在多台个人计算机上完成了叶轮机械内部三维粘性流场的快速并行求解.仅将计算域拆分成8份,并行加速比就可达7.4.
参考文献
[1] | Ashihara K Goto A.Turbomachinery Blade Design Using 3-D Inverse Design Method CFD and Optimization Algorithm[A]. |
[2] | F. Liu;J. Cai;Y. Zhu .Calculation of Wing Flutter by a Coupled Fluid-Structure Method[J].Journal of aircraft,2001(2):334-342. |
[3] | Coakley T J;Huang P G .Turbulence Modeling for High Speed Flows[R].,1992. |
[4] | Xin Yuan;Hisaaki Daiguji .A specially combined lower-upper factored implicit scheme for three-dimensional compressible Navier-Stokes equations[J].Computers & Fluids,2001(3):339-363. |
[5] | Daiguji H;Yuan X;Yamamoto S .Stabilization of Higher Order High Resolution Schemes for the Compressible Navier-Stokes Equations[J].International Journal of Numerical Methods for Heat and Fluid Flow,1997,7(07):250-274. |
[6] | 袁新;林智荣.并行计算用于叶轮机械流场特性全工况分析[J].清华同方技术通讯,2001(01):37-41. |
[7] | 吴子牛;朱自强 .可压流几何分区计算[J].力学进展,1998,28(04):509-520. |
[8] | Keyes D E .Domain Decomposition: a Bridge Between Nature and Parallel Computers[R].ICASE Report,1992. |
[9] | Wu Ziniu .Convergence Study of an Implicit Multidomain Method for Compressible Flow Computations[J].Computers and Fluids,1996,25(02):181-196. |
[10] | 邹辉,李劲菁,吴子牛.N-S方程隐式分区并行计算[J].计算物理,2001(03):199-205. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%