[Retracted] Mechanism of Drag Reduction in Floating Plate of Paddy Field Based on CFD

Figure 13

Hilling and pressure cloud diagram of nonsmooth bottom: (a) partial hilling and pressure cloud diagram of concave envelop, (b) partial hilling and pressure cloud diagram of groove, and (c) partial hilling and pressure cloud diagram of convex hull.

(a)

(b)

(c)