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The comparative hydrodynamics of rapid rotation by predatory appendages
Journal of Experimental Biology
Countless aquatic animals rotate appendages through the water, yet fluid forces are typically modeled with translational motion. To elucidate the hydrodynamics of rotation, we analyzed the raptorial appendages of mantis shrimp (Stomatopoda) using a combination of flume experiments, mathematical modeling and phylogenetic comparative analyses. We found that computationally efficient blade-element models offered an accurate first-order approximation of drag, when compared with a more elaboratedoi:10.1242/jeb.140590 pmid:27807217 fatcat:4ot36zimq5bprl67uwbzqooud4