Unsteady RANS and LES Simulation of an Ideal Rankine Vortex Decay

Table 1

Simulation parameters for different cases.

Cases	Domain size	Grid numbers (variable spacing)	Δ𝑡	Truncation error	Maximum number of iterations per time step
Case 1 (RANS)	12𝑟0×12𝑟0	100×100	0.01	0.000001	200
Case 2 (RANS)	12𝑟0×12𝑟0×1𝑟0	70×70×10	0.005	0.00001	200
Case 3 (LES)	12𝑟0×12𝑟0×1𝑟0	140×140×15	0.001	0.000001	200