Numerical Investigation of Galloping Instabilities in Z-Shaped Profiles

Table 2

Characteristics of validation grids.

𝛼=60^∘	Number of elements	Number of nodes	Residual	Conver. iterations	Comp. time (min)
Coarse	12923	16642	5.6𝑒−5	50000	4.6
Medium	28397	35632	9.5𝑒−6	100000	11.6
Fine	57408	70276	3.8𝑒−6	200000	67.2
Extra fine	99562	119552	2.2𝑒−6	300000	143.4