Journal
EXPERIMENTAL MECHANICS
Volume 50, Issue 9, Pages 1361-1366Publisher
SPRINGER
DOI: 10.1007/s11340-009-9289-7
Keywords
Potential flow; Unsteady airfoil theory; Slender-body theory; Lifting-line theory; Lifting-surface integral; Asymptotic methods
Categories
Funding
- French ANR [ANR-06-JCJC-0087]
- Agence Nationale de la Recherche (ANR) [ANR-06-JCJC-0087] Funding Source: Agence Nationale de la Recherche (ANR)
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Modeling the flow around a deformable and moving surface is required to calculate the forces exerted by a swimming or flying animal on the surrounding fluid. Assuming that viscosity plays a minor role, linear potential models can be used. These models derived from unsteady airfoil theory are usually divided in two categories depending on the aspect ratio of the moving surface: for small aspect ratios, slender-body theory applies while for large aspect ratios two-dimensional or lifting-line theory is used. This paper aims at presenting these models with a unified approach. These potential models being analytical, they allow fast computations and can therefore be used for optimization or control.
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