摘要
提出了一种实现DSMC压力边界条件的新方法,新方法不仅可以避免传统"通量法"造成的计算发散问题,又较之"入口平均法"有更快的收敛速度.使用这种方法,对不同压差驱动下等壁温微通道内的气体流动进行了模拟,并与传统的基于连续介质假设的滑移理论所得结果进行了比较.
A new treatment of pressure boundary condition for DSMC method is proposed. With the new method, the computational divergence of traditional number flux method can be avoided and a higher convergence speed than the averaged at inlet method is obtained. The flows in micro-channels driven by different pressure drops are investigated using the new method. Comparison between DSMC results and continuum-based results has also been made.
出处
《计算物理》
EI
CSCD
北大核心
2004年第4期316-320,共5页
Chinese Journal of Computational Physics
基金
国家自然科学基金(批号:59995550 2)
国家重点基础研究发展规划(批号:G1999033106)资助项目
