A Comparative Numerical Study on the Performances and Vortical Patterns of Two Bioinspired Oscillatory Mechanisms: Undulating and Pure Heaving

Figure 10

Vorticity contours and foil’s surface pressure distribution at eight time instants within one period of oscillations for the heaving foil at , . (a) , (b) , (c) , (d) , (e) , (f) , (g) , and (h) .

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