[1]谭俊杰,任登凤,张 军.Ghost Fluid方法在可压缩多介质流动中的应用[J].南京理工大学学报(自然科学版),2007,(02):159-162.
 TAN Jun-jie,REN Deng-feng,ZHANG Jun.Application of Ghost Fluid Method in Compressible Multi-material Flows[J].Journal of Nanjing University of Science and Technology,2007,(02):159-162.
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Ghost Fluid方法在可压缩多介质流动中的应用
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2007年02期
页码:
159-162
栏目:
出版日期:
2007-04-30

文章信息/Info

Title:
Application of Ghost Fluid Method in Compressible Multi-material Flows
作者:
谭俊杰 1 任登凤 1 张 军 2
1. 南京理工大学动力工程学院,江苏南京210094; 2. 南京航空航天大学航空宇航学院, 江苏南京210016
Author(s):
TAN Jun-jie1REN Deng-feng1ZHANG Jun2
1.School of Power Engineering,NUST,Nanjing 210094,China;2.College of Aerospace Engineering,Nanjing University of Aeronautics andAstronautics,Nanjing 210016,China
关键词:
多介质 Level Set方法 Ghost Fluid方法 数值模拟
Keywords:
multi-material Level Setmethod Ghost Fluidmethod numerical simulation
分类号:
O354
摘要:
在对可压多介质流动进行数值模拟时,界面两边流体状态方程不同会给计算带来很大麻烦,该文采用Ghost Fluid方法(GFM)成功地解决了这一问题。利用间断有限元Galerkin方法和Level Set方法,对2种不同比热比介质激波管问题进行了模拟,其数值结果和精确解非常吻合;对气体/水激波管、空气/氦气泡相互作用、空气/R22相互作用等问题进行了模拟,其结果与相关文献的结果一致,表明利用该方法进行可压缩多介质流动数值模拟是可行的。
Abstract:
When the compressible multi-material flows ar enumerically simulated, much trouble is made from two different state equations. The Ghost Fluid method is used to avoid the problem. The shock tube problem containing two ideal gases with different specific heat ratios is simulated by using discontinuous Galerk in finite element method and Level Set method. The numerical results are in very good agreement with the exact solution. In addition, the gas-water shock tube problem, air in-teracting with helium bubbles and air interacting with R22 are also simulated. The conclusions are consistent with the relative references. The results show that the method used for compressible multi-material flow is feasible.

参考文献/References:

[ 1] 刘儒勋, 王志峰. 数值模拟方法和运动界面追踪 [M]. 合肥:中国科学技术大学出版社, 2001.
[ 2] FedkiwRP, Marquina A, MerrimanB. Anon-osci-l latory Eulerianapproach to interfaces inmultimaterial flows( theGhostFluidMethod) [ J]. JournalofCom-putational Physics, 1999, 152: 457-492.
[ 3] 刘儒勋, 舒其望. 计算流体力学的若干新方法 [M]. 北京:科学出版社, 2003.
[ 4] HongLuo, JosephDB, RainaldLhner. Onthe com-putationofmult-imaterial flowsusingALE formulation [ J]. Journal of Computational Physics, 2004, 194 (1): 304- 328.
[ 5] 张学莹, 赵宁. 基于体积分数形式的多介质流动数值模拟[ J]. 南京航空航天大学学报, 2005( 4): 436 -441.

备注/Memo

备注/Memo:
基金项目: 国家自然科学基金( 10476011)
作者简介: 谭俊杰( 1949- ), 男,湖南人, 研究员,硕士,主要研究方向:计算流体力学, E-mail:dlxyjx@mail. njust. edu. cn。
更新日期/Last Update: 2007-04-30