Analysis of Flow around Robotic Fish by Three-dimensional Fluid-structure Interaction Simulation and Evaluation of Propulsive Performance

作者：Yogo TAKADA, Toshinori Ochiai, Noboru Fukuzaki, Tomoki TAJIRI, Tomoyuki WAKISAKA · 发表于：Journal of Aero Aqua Bio-mechanisms · 年份：2013 · DOI：10.5226/jabmech.3.57 · 被引用次数：9 · 研究领域：Biomimetic flight and propulsion mechanisms、Underwater Vehicles and Communication Systems、Robotic Locomotion and Control

The speed-up of robotic fish is hoped to aim at practical use. It is therefore important to develop methods for making such robots swim faster, and computer simulations are invaluable. In this study, a computational simulation model was developed for three-dimensional fluid-structure interaction analysis. The flow around the caudal fin can be analyzed by treating the fin as an elastic body. Experiments were also carried out and good agreement was found between the experimental results and those of the numerical analysis. Moreover, the effects of the flexibility of caudal fin on the robot's propulsive performance were investigated using computational simulations.