Abstract
Within median and/or paired fin (MPF) propulsion, many fish routinely use the long-based undulatory fins as the sole means of locomotion. In this paper, the long-based undulatory fin of an Amiiform fish“G. niloticus”was investigated. We brought forward a simplified physical model and a kinematic model to simulate the undulations of the long-based dorsal fin. Further, the equilibrium equations of the undulatory fin were obtained by applying the membrane theory of thin shells in which the geometrical non-linearity of the structure is taken into account. Last, we apply the derived kinematic model and equilibrium equations of the undulatory fin to analyze the thrust and propulsive efficiency varying with the aspect ratio of the fin and the maximum swing amplitude.
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© 2006 Springer-Verlag Berlin Heidelberg
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Wang, G., Shen, L., Hu, T. (2006). Kinematic Modeling and Dynamic Analysis of the Long-Based Undulation Fin of Gymnarchus Niloticus . In: Nolfi, S., et al. From Animals to Animats 9. SAB 2006. Lecture Notes in Computer Science(), vol 4095. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11840541_14
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DOI: https://doi.org/10.1007/11840541_14
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-38608-7
Online ISBN: 978-3-540-38615-5
eBook Packages: Computer ScienceComputer Science (R0)