Ionic polymer metal composites (IPMC) are a new class of smart materials that have attractive characteristics such as muscle like softness, low voltage and power consumption, and good performance in aqueous environments. Thus, IPMC’s provide promising application for biomimetic fish like propulsion systems. In this paper, we design and analyze IPMC underwater propulsor inspired from swimming of Labriform fishes. Different fish species in nature are source of inspiration for different biomimetic flapping IPMC fin design. Here, three fish species with high performance flapping pectoral fin locomotion is chosen and performance analysis of each fin design is done to discover the better configurations for engineering applications. In order to describe the behavior of an active IPMC fin actuator in water, a complex hydrodynamic function is used and structural model of the IPMC fin is obtained by modifying the classical dynamic equation for a slender beam. A quasi-steady blade element model that accounts for unsteady phenomena such as added mass effects, dynamic stall, and the cumulative Wagner effect is used to estimate the hydrodynamic performance of the flapping rectangular shape fin. Dynamic characteristics of IPMC actuated flapping fins having the same size as the actual fins of three different fish species, Gomphosus varius, Scarus frenatus and Sthethojulis trilineata, are analyzed with numerical simulations. Finally, a comparative study is performed to analyze the performance of three different biomimetic IPMC flapping pectoral fins.
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ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 18–21, 2011
Scottsdale, Arizona, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5472-3
PROCEEDINGS PAPER
Fish Inspired Biomimetic Ionic Polymer Metal Composite Pectoral Fins Using Labriform Propulsion
G. Karthigan,
G. Karthigan
Indian Institute of Science, Bangalore, India
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Sujoy Mukherjee,
Sujoy Mukherjee
Indian Institute of Science, Bangalore, India
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Ranjan Ganguli
Ranjan Ganguli
Indian Institute of Science, Bangalore, India
Search for other works by this author on:
G. Karthigan
Indian Institute of Science, Bangalore, India
Sujoy Mukherjee
Indian Institute of Science, Bangalore, India
Ranjan Ganguli
Indian Institute of Science, Bangalore, India
Paper No:
SMASIS2011-4931, pp. 571-580; 10 pages
Published Online:
February 7, 2012
Citation
Karthigan, G, Mukherjee, S, & Ganguli, R. "Fish Inspired Biomimetic Ionic Polymer Metal Composite Pectoral Fins Using Labriform Propulsion." Proceedings of the ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2. Scottsdale, Arizona, USA. September 18–21, 2011. pp. 571-580. ASME. https://doi.org/10.1115/SMASIS2011-4931
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