超声速化学反应流场迎风格式数值模拟及并行计算

基于有限体积迎风格式对超声速燃烧流场进行了的数值模拟。由于超声速燃烧流场绕流的复杂性,要求对多组分Euler／N～S方程求解的数值模拟方法应具有较高的计算精度及效率。本文引用辅助点方法建立了具有空间二阶精度的vanLeer迎风矢通量分裂格式,并应用于超声速燃烧流场绕流的数值模拟。化学反应为氢气／空气+反应模型,采用考虑了化学反应特征时间的当地时间步长显式Runge—Ku

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