A special treatment is made in outlet boundary in which the subsonic and supersonic flow exist commonly. Block-Line-Gauss-Siedel method is used to solve THD differencing equations.
对离散方程采用线超松驰方法迭代求解，在亚音速与超音速气流共同存在的出口边界分情况进行了处理。
2
The equations are solved numerically using the method of Gauss elimination and under-relaxation iteration by computor, thus the air flows in every branch are determined.
采用高斯消去法和欠松弛迭代法并应用计算机对这些方程进行数值求解，从而计算出各支路的流量。
3
An approximate Gauss Newton based BFGS method for solving symmetric nonlinear equations is presented.