Mechanical capability and timing of a fish to maneuver from a steady straight-line swimming state
Resource
MECHANICS RESEARCH COMMUNICATIONS, 39(1), 59-64
Journal
Mechanics Research Communications
Pages
59-64
Date Issued
2012
Date
2012
Author(s)
Abstract
We numerically investigated a fish's mechanical capability and timing to execute maneuvers from a steady straight-line swimming state. The longitudinal forces and yaw moment acting on a fish were evaluated for varied slip number (i.e. ratio of swimming velocity and body-wave velocity). A decreased slip number produces an enhanced mechanical capability for a fish to execute both longitudinal and sideway maneuvers. There are four time instants preferable for a fish to execute the longitudinal maneuvers, whereas only two time instants for the sideway maneuvers. These findings serve as guidance for the design and improvement of the maneuverability of a fish robot. © 2011 Elsevier Ltd. All rights reserved.
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Type
journal article
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