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本文用对角线形式的隐式分解法计算了跨音速喷管流场,并且与普通形式的隐式分解法进行了比较。通过对平面和对称喷管流动的计算表明:对角线形式的隐式分解法保持了原隐式分解的精度和稳定性,并且可节省约1/2的计算机时间。
In this paper, the diagonal implicit decomposition method is used to calculate the transonic nozzle flow field, and compared with the implicit decomposition of the general form. The calculation of planar and symmetrical nozzle flow shows that the diagonal implicit decomposition preserves the accuracy and stability of the original implicit decomposition and saves about 1/2 computer time.