Comment on: arXiv:2008.08305 "Scallop Theorem and Swimming at the Mesoscale" by M. Hubert, O. Trosman, Y. Collard, A. Sukhov, J. Harting, N. Vandewalle, and A.-S. Smith, Phys. Rev. Letters 126, 224501 (2021)
Abstract
The expression for the mean swimming velocity of the Oseen two-sphere model derived in the Letter [arXiv:2008.08305] is compared with an exact one derived earlier, as well as one derived in first harmonic approximation. The latter is found to be a very accurate approximation to the exact result.
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