计算物理 ›› 2008, Vol. 25 ›› Issue (4): 379-386.

• 研究论文 •    下一篇

高阶FD-WENO格式在数值求解Rayleigh-Taylor不稳定性问题中的应用

李寿佛1, 叶文华2, 张瑗1, 舒适1, 肖爱国1   

  1. 1. 湘潭大学数学与计算科学学院, 湖南 湘潭 411105;
    2. 北京应用物理与计算数学研究所, 北京 100088
  • 收稿日期:2007-02-01 修回日期:2007-08-16 出版日期:2008-07-25 发布日期:2008-07-25
  • 作者简介:李寿佛(1937-),男,湖南平江,教授,博士生导师,从事计算流体力学及刚性微分方程研究.
  • 基金资助:
    国家自然科学基金委员会-中国工程物理研究院联合基金(NSAF)(批准号:10676031);国家863高技术惯性约束聚变专题资助项目

High Order FD-WENO Schemes for Rayleigh-Taylor Instability Problems

LI Shoufu1, YE Wenhua2, ZHANG Yuan1, SHU Shi1, XIAO Aiguo1   

  1. 1. School of Mathematics and Computational Science, Xiangtan University, Hunan 411105, China;
    2. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
  • Received:2007-02-01 Revised:2007-08-16 Online:2008-07-25 Published:2008-07-25

摘要: 用高阶加权本质上无振荡有限差分格式(FD-WENO),求解重力作用下高密度比二维流体界面Rayleigh-Taylor不稳定性问题及激光烧蚀Rayleigh-Taylor不稳定性问题,均获得较为理想的数值结果.

关键词: 高阶FD-WENO格式, Rayleigh-Taylor不稳定性, 惯性约束聚变

Abstract: High order weighted essentially non-oscillatory finite difference schemes (FD-WENO) are applied successfully to numerical simulation of gravity-driven high density ratio Rayleigh-Taylor instability problems and laser ablative Rayleigh-Taylor instability problems in two dimensions. It provides important references to numerical study of inertial confinement fusion (ICF) as well as to other high-tech fields. High order FD-WENO schemes are applicable to numerical simulation of ICF inplosion.

Key words: high order FD-WENO schemes, Rayleigh-Taylor instability, inertial confinement fusion

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