论文部分内容阅读
研究了隐式ＡＦ有限差分理论。指出薄层抛物化控制方程中的右端粘性项是主元素变量矢的一个简单线性函数。给出了任意边界扩压器内紊流流动的数值计算结果，并和实验数据进行了对照。两者吻合得相当好。研究结果对ＡＦ有限差分理论以及推广至三维复杂管道内的非定常流动计算具有重要的参考意义。
Implicit AF finite difference theory is studied. It is pointed out that the right-hand viscous term in the thin parabolic governing equation is a simple linear function of the principal element variable vector. The numerical results of turbulent flow in an arbitrary boundary diffuser are given and compared with the experimental data. The two fit very well. The research results have important reference significance for the finite difference theory of AF and the calculation of unsteady flow in a three-dimensional complex pipe.