Ordinarily, the thickness of velocity boundary layer and grid Reynolds number are used as the delimitating standards for flow field and aerothermal heating computations respectively.

• 通常的做法是，对于流场计算以速度边界层厚度作为法向网格尺寸划分标准，对于热流计算则根据网格雷诺数确定网格尺寸。