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李诗尧 / WENO-2D

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README.md

WENO-2D

运行前请通过ini.txt设置计算条件

介绍

有限差分方法,利用WENO重构求解二维Euler方程,包含WENO、WENO-Z、WENO-ZN等格式

算例

R-T不稳定问题、双马赫反射、前台阶绕流、等熵涡、二维黎曼问题

计划增加:激波与涡的相互作用问题、K-H不稳定问题、激波/剪切层干扰(Shock/mixing layer interaction)

通量分裂

当地\全局LF分裂、SW分裂、vanLeer分裂

注:使用LF分裂计算前台阶绕流会出现马赫杆位置不准确的问题,猜测原因与LF分裂耗散太大有关

重构格式

WENO-JS、WENO-Z、WENO-ZN等格式

时间迭代

三步RK迭代

计划增加内容

  1. 特征重构
  2. OpenMP并行

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有限差分方法,利用WENO重构求解二维Euler方程,包含WENO、WENO-Z、WENO-ZN等格式 expand collapse
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