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Capturing Moving Interfaces by LevelSet Method with Ghost Technique
  • 时间:0
  • 分类:O46[理学—电子物理学;理学—物理]
  • 作者机构:[1]Laboratory of Advanced Energy and Power Technology, Institute of Engineering Thermophysics, ChineseAcademy of Sciences, Beijing 100080, [2]Graduate School of Chinese Academy of Science, Beijing 100080, [3]North China Electric Power University, Beijing 102206, [4]Beijing Phoneix Industry Furnace Co.Ltd, [5]Laboratory of Propulsion and Power, Institute of Engineering Thermophysics, Chinese Academy of Sciences,Beijing 100080
  • 相关基金:The authors wish to express their gratitude to CAS & 973 Project for sponsoring the research, Proj No: KZCX2-YW-302 and National Natural Science Foundation of China, Proj No: 40501017
  • 相关项目:采用电容层析成像方法对于冻土样品物质组成及动态变化过程进行综合测量和图像重建的研究
中文摘要:

SMAC 方法被采用解决海军司烧方程,由使用第五顺序的 WENO 计划和 TVD R-K 计划, LevelSet 方法被用来与改进的鬼技术捕获动人的接口。一些例子,例如一个和二种尺寸的不可压缩的 inviscid 火焰接口并且水里的油水泡合并上升,被计算并且有商业 CFD 软件的结果的比较流畅被做了。有在捕获移动的鬼技术的 LevelSet 方法的合理性连接与跳条件被肯定。没有复杂重建,水平集合方法能严厉地捕获接口并且能容易被规划,这被显示出。

英文摘要:

SMAC method is adopted to solve Navier-Stokes equations, by using fifth-order WENO scheme and TVD R-K scheme, LevelSet methods are used to capture moving interfaces with improved Ghost techniques. Some examples, e.g. the incompressible inviscid flame interfaces of one and two dimensions and the rising-merging of oil bubbles in water, are computed and the comparison with the result of commercial CFD software Fluent has been done. The rationality of LevelSet methods with Ghost technique in capturing moving interfaces with jump conditions is affirmed. It is shown that Level Set method can capture interfaces sharply without complicated reconstruction and can be easily programmed.

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