Beyond the Karman Gait: Knifefish swimming in periodic and irregular vortex streets
Ortega-Jiménez, Víctor Manuel; Sanford, Christopher P. (2021), Beyond the Karman Gait: Knifefish swimming in periodic and irregular vortex streets, Dryad, Dataset, https://doi.org/10.5061/dryad.sqv9s4n37
VideoS1.mp4 [(00:05 s) Knifefish swimming in laminar conditions. (00:16 s) Fish swimming behind a large and small fixed cylinders. (00:36 s) Fish swimming in laminar, behind the small fixed cylinder and behind the oscillating cylinder. (01:15s) Fish showing passive movements in the wake of an oscillating cylinder. (01:31 s) 3D printed fish model in both the wake of a fixed cylinder and the wake of an oscillating cylinder. (01:49 s) Instantaneous vorticity fields of the ribbon fin of a knifefish swimming in laminar conditions, behind the fixed cylinder and behind the oscillating cylinder].
DataSet_OrtegaJimenezSandfordKnifefish.xls [Datasets for each fish (N=7) including all kinematic variables used for statistical analysis]
RawData_OrtegaJimenezSandfordKnifefish..xlsx [3D digitized points in Cartesian system XYZ in cm of seven ghost knifefish swimming in laminar and unsteady flow conditions. Point 1 (head), Point 2 (tail tip), Point 3 (Left-pectoral fin tip), Point 4 (Right-pectoral fin tip), Point 5 (Left-pectoral fin base), Point 6 (Right-pectoralfin base), Point 7 (Ribbon fin tip at the midline), Point8 (trough tip formed by the ribbon fin wave), Point 9 (back-middle point), Point 10 (Ribbon fin base at the midline).Each fish (n=7) is order sequentially for each condition. LAMINAR CONDITIONS: -1.4 Bl/s (sheet 1to 7), 1.4 Bl/s (sheet 8 to14) 1.8 Bl/s (sheet 15 to 21), 2.5 Bl/s (sheet 22 to 28), 3 Bl/s (sheet 29 to 35), 3.6 Bl/s (sheet 36 to 42), 3.9 Bl/s(sheet 43 to 49), 4.3 Bl/s(sheet 50 to 55), and 4.6 Bl/s. (sheet56 to 57). SMALL CYLINDER CONDITIONS: 1.8 Bl/s (sheet 58 to 64), 2.5 Bl/s (sheet 65 to 71), 3 Bl/s (sheet 72 to 78 and 3.6 Bl/s (sheet 79 to 85). LARGE Cylinder Conditions: 1.8 Bl/s (sheet 86 to 92), 2.5 Bl/s (sheet 93 to 99). OSCILLATING CYLINDER CONDITION: 1.8 Bl/s (sheet 100 to 106). Digitalization software is described in: Hedrick, T. L. (2008). Software techniques for two- and three-dimensional kinematic measurements of biological and biomimetic systems. Bioinspir. Biomim. 3, 034001].