摘要
采用Fortran语言自行开发的程序,在非正交贴体坐标系下,采用k--εAp模型。模型的两相湍流模型对一新型燃烧器一次风喷嘴及弯头组件内的气固两相流动进行了数值模拟。在求解过程中,将整个几何区域分解成若干相对简单的子区域,然后分别在各子域上采用SIMPLEC算法对控制方程组进行离散多机并行求解。最后本文分析了计算机集群在数值求解复杂流动问题方面的实用性以及实际所能达到的计算效率。
A partitioning parallel proced of gas-solid two-phase flow in the prim burner by using body-fitted coordinates. ure is developed to numerically solve the problems ary air nozzle and the connecting elbow of a new Turbulent two-phase flow is simulated by k-ε-Ap model. The whole domain is divided into a number of simple sub-domains and the SIMPLEC algorithm is utilized to solve the governing equations in each sub-domain. According to the theory of fluid dynamics and the computational results issued in some publications, the flexibility and efficiency achieved by cluster system in solving flow and heat transfer problems are analyzed and concluded.
出处
《锅炉技术》
北大核心
2007年第2期48-52,72,共6页
Boiler Technology
关键词
并行计算
区域分解法
MPI
气固两相流
k-ε-Ap模型
parallel computing
domain decomposition method
MPI
gas-solid two-phase flow
k-ε-Ap turbulence model
