| WENO格式与虚拟单元浸入边界法在笛卡尔网格中的应用 |
| |
| 引用本文： | 李自启,朱君.WENO格式与虚拟单元浸入边界法在笛卡尔网格中的应用[J].南京气象学院学报,2013,5(1):86-90. |
| |
| 作者姓名： | 李自启 朱君 |
| |
| 作者单位： | 南京航空航天大学 理学院,南京,210016;南京航空航天大学 理学院,南京,210016 |
| |
| 基金项目： | 国家自然科学基金(11002071) |
| |
| 摘 要： | 高精度有限差分WENO格式在结构网格上处理具有复杂几何外形绕流问题时较困难,而虚拟单元浸入边界法却是一种较新颖且对网格的要求较低的方法,适用于复杂几何外形边界的处理.为此,在笛卡尔网格上采用WENO格式以求解Euler守恒律方程,试图将两者有效结合起来,希望能在笛卡尔网格上处理具有复杂几何外形的物体绕流问题.最后,几个经典数值算例的结果验证了该方法的有效性.
|
| 关 键 词： | WENO格式 虚拟单元浸入边界法 笛卡尔网格 |
| 收稿时间： | 2012/9/10 0:00:00 |
Application of WENO scheme with ghost cell immersed boundary method on Cartesian mesh |
| |
| LI Ziqi and ZHU Jun.Application of WENO scheme with ghost cell immersed boundary method on Cartesian mesh[J].Journal of Nanjing Institute of Meteorology,2013,5(1):86-90. |
| |
| Authors: | LI Ziqi and ZHU Jun |
| |
| Institution: | College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing 210016;College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 |
| |
| Abstract: | Finite difference WENO scheme of high order accuracy scheme has difficulty in dealing with the problem which has the flow over a complex geometry on structured mesh.While the ghost cell immersed boundary method is a novel and general technique for handling a flow with complex geometry without any special needs of computing mesh.We use the WENO scheme in conjunction with the ghost cell immersed boundary method to solve the above-mentioned problem on Cartesian mesh.Finally,the results of some classic numerical tests are given to verify the effectiveness of this proposed method. |
| |
| Keywords: | WENO scheme ghost cell immersed boundary method Cartesian mesh |
|
| 点击此处可从《南京气象学院学报》浏览原始摘要信息 |
| 点击此处可从《南京气象学院学报》下载免费的PDF全文 |
