应用Ghost技术的LevelSet方法捕捉运动界面,采用五阶精度的WENO格式,时间离散采用TVD Runge-Kutta格式,完成了水池中油滴的上升与合并算例及火焰面燃烧算例的数值模拟,并与商用软件Fluent的计算结果进行了比较,肯定了采用Ghost技术的LevelSet方法捕捉产生间断的运动界面的合理性.同时,本文程序的编制过程体现了LevelSet方法无需进行复杂的界面重构,易于编程的优越性.
参考文献
| [1] | 陈凡红,王成,郝莉,宁建国.用Level Set方法追踪运动界面[J].力学与实践,2006(04):23-27. |
| [2] | Fedkiw R;Aslam T;Merrian B et al.A Non-Oscillatory Eulerian Approach to Interfaces in Multimaterial Flow (The Ghost Fluid Method)[J].Journal of Computational Physics,1999,152:457-492. |
| [3] | Liu T G;Khoo B C;Yeo K S .Ghost Fluid Method for Strong Shock Impacting on Material Interface[J].Journal of Computational Physics,2003,190:651-681. |
| [4] | Chen S;Merriman B;Osher S et al.A Simplse Level Set Method for Solving Stefan Problems[J].Journal of Computational Physics,1997,135:8-29. |
| [5] | Osher S;Shu CW .High Order Essentially Non-Oscillatory Schmes for Hamion-Jacobi Equations[J].SIAM Journal on Numerical Analysis,1991,28:907-922. |
| [6] | Nguyen D;Fedkiw R;Kang M .A Boundary Condition Capturing Method for Incompressible Flame Discontinuities[J].Journal of Computational Physics,2001,172:71-98. |
| [7] | Spiteri RJ.;Ruuth SJ. .A new class of optimal high-order strong-stability-preserving time discretization methods[J].SIAM Journal on Numerical Analysis,2002(2):469-491. |
| [8] | 袁新;陈佐一 .分析与计算流体力学[D].北京:清华大学,1999. |
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