Numerical Investigation of Galloping Instabilities in Z-Shaped Profiles

Table 3

Comparison between the computational cost of Euler and RANS calculations for 𝛼=60^∘. Similar values are obtained in other configurations.

	Number of elements	Residual	Conver. iterations	Comp. time (min)
Euler	12923	3.5𝑒−4	200000	16.0
Fine-SA	57408	3.8𝑒−6	200000	67.2
Fine-𝑘-ω SST	57408	1.0𝑒−8	200000	77.0