Unsteady RANS Modeling of Flow around Two-Dimensional Rectangular Cylinders with Different Side Ratios at Reynolds Number 6.85 × 10⁵

Figure 8

Vorticity contours with different side ratios when lift coefficient is maximum when R = 0.1, 0.2, 0.4, 0.62, 0.8, 1.0, 1.5, 2.0, 2.8, and 3.0. (a) R = 0.1. (b) R = 0.2. (c) R = 0.4. (d) R = 0.62. (e) R = 0.8. (f) R = 1.0. (g) R = 1.5. (h) R = 2.0. (i) R = 2.8. (j) R = 3.0.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)