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This paper aims to study drag based labriform mode of locomotion in fishes and attempts to design and develop a prototype performing pectoral fin motions. The methodology involves pectoral fin mechanism concept generation, design, development, and performance analysis. For labriform mode drag based propulsion, the initial design makes use of a rotating disk on which a planet gear rotates around a...
Many fishes use undulatory fin to propel themselves through the underwater environment. These locomotor mechanisms have a popular interest to many researchers. In the present study, we perform a three-dimensional unsteady computation of an undulatory mechanical fin that is driven by shape memory alloy (SMA). The objective of the computation is to investigate the fluid dynamics of force production...
Design, development, and experimental investigations of an undulating finned body system are presented for alternate means of propulsion using shape memory alloys (SMA) as actuators. The undulating waveform of the anguilliform mode was chosen as the design and development of a biomimetic undulating system. The designed body consists of three segments made of flexible polyurethane, which is actuated...
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