Governing equations were discrete with two order upstreamscheme.
计算过程中采用二阶迎风格式离散控制方程。
2
The analytical truncation error formulas of a partial differential equation are given for the upstreamscheme and the centered difference scheme, respectively.
然后引入参考解的办法， 用来分离更为一般的微分方程求解过程中的截断误差和舍入误差。
3
This paper introduces the research of upstream and downstream navigable channel scheme, sediment deposit and the measure to clean deposit in the channel in Three Gorges Project.