...理科学-科研基金网 关键词：紧致格式，无反射边界条件，小激波，稳定性,激波边界层相互干扰 [gap=1865]Keywords：compact scheme, non-reflective, shocklet, stablity，shock-boundary interaction ...
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并且利用类似的思想，可以通过其它限制条件对紧致格式进行优化。
Using the similar idea, we can optimize the compact scheme with other restrict conditions.
方程的对流项和扩散项分别采用三阶迎风紧致格式和四阶中心紧致格式离散。
The N-S equation's convection term and dissipation term are discretized using the third-order upwind compact scheme and the fourth-order central compact scheme, respectively.
最后讨论了有限差分紧致格式的边界处理问题，并与用周期边界条件计算的结果进行了比较。
Finally, the boundary treatment of the compact finite difference scheme is discussed and compared with the numerical result with periodic boundary conditions.
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