{'fraction_non_alphanumeric': 0.019525801952580194, 'fraction_numerical': 0.0, 'mean_word_length': 4.790322580645161, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Source seeking for a Joukowski foil model of fish locomotion

We continue with the study of fish-like underwater source seeking initiated in a companion paper where we considered a three-rigid-link fish model. In this paper we consider a more realistic fish model based on a Joukowski airfoil which has only one degree of freedom in its movement, and thus relies on vortex shedding to move through a perfect fluid. Both the propulsion problem and the source seeking problem are solved by employing the same sinusoidal perturbation input— the flapping of the fish's tail. The fish converges to the signal source despite being unaware of it's position, the source's position, and the spatial distribution of the source.