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Figure 1 - Effect of aspect ratio on the propulsive performance of tandem flapping foils

Two examples of bio-inspired AUVs that combine front and back flipper oscillation (tandem arrangement) as a means of propulsion: (a) a pure pitching motion (Long et al., 2006); (b) a combination of rolling and pitching (Weymouth et al., 2017). A simplified version of the latter kinematics is used in this study.
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