问题考虑围绕翼型的流动在4°攻角和一个自由流马赫数0.8。流量是跨音速，并有近于上（吸气）侧中间弦m/c=0.45一个相当强烈的震撼。弦长为1米。-The problem considers the flow around an airfoil at an angle of attack   and a free stream Mach number of   (   ). The flow is transonic, and has a fairly stron