A direct numerical simulation (DNS) and the LES with a spectral eddy viscosity model are performed for isotropic turbulence and the LTCs are calculated using the passive vector method.

• 我们分别使用直接数值模拟和谱涡粘模型的大涡模拟计算了均匀各向同性湍流场，应用被动矢量法计算了拉格朗日时间关联。