Geometric-control formulation and averaging analysis of the unsteady aerodynamics of a wing with oscillatory controls

HE Taha, LP Olea, N Khalifa, C Gonzalez… - Journal of Fluid …, 2021 - cambridge.org
Differential-geometric-control theory represents a mathematically elegant combination of
differential geometry and control theory. Practically, it allows exploitation of nonlinear …

Self-propulsion of a free hydrofoil with localized discrete vortex shedding: analytical modeling and simulation

SD Kelly, H Xiong - 150 Years of Vortex Dynamics, 2010 - Springer
We present a model for the self-propulsion of a free deforming hydrofoil in a planar ideal
fluid. We begin with the equations of motion for a deforming foil interacting with a pre …

Reduced-order modeling of propulsive vortex shedding from a free pitching hydrofoil with an internal rotor

P Tallapragada, SD Kelly - 2013 American Control Conference, 2013 - ieeexplore.ieee.org
The efficient development of control strategies for biomimetic aquatic vehicles that exploit
vortex shedding for propulsion requires mathematical models that are sufficiently rich to …

The motion of the 2D hydrodynamic Chaplygin sleigh in the presence of circulation

YN Fedorov, LC Garcia-Naranjo… - arXiv preprint arXiv …, 2012 - arxiv.org
We consider the motion of a planar rigid body in a potential flow with circulation and subject
to a certain nonholonomic constraint. This model is related to the design of underwater …

[图书][B] Dynamically coupled rigid body-fluid flow systems

BN Shashikanth - 2021 - Springer
The time-honored method of studying the dynamics of fluid-solid interaction problems has
been to either fix the solid or to prescribe its motion, for example, a steady translation or a …

Dynamics and self-propulsion of a spherical body shedding coaxial vortex rings in an ideal fluid

P Tallapragada, SD Kelly - Regular and Chaotic Dynamics, 2013 - Springer
We describe a model for the dynamic interaction of a sphere with uniform density and a
system of coaxial circular vortex rings in an ideal fluid of equal density. At regular intervals in …

Self-propulsion of a spherical body shedding coaxial vortex rings in an ideal fluid: Hamiltonian modeling and simulation

P Tallapragada, SD Kelly… - 2012 American …, 2012 - ieeexplore.ieee.org
We present a model for the self-propulsion of a spherical body shedding circular vortex rings
in an ideal fluid. Rings are shed from a moving ridge on the body's surface; timed …

Dynamically Coupled Rigid Body+Vortex Rings in

BN Shashikanth, BN Shashikanth - Dynamically Coupled Rigid Body …, 2021 - Springer
The dynamically coupled planar models of the previous chapter are now extended to ℝ 3 R^
3, with point vortices replaced by vortex rings. The streamfunction is replaced by the vector …

[PDF][PDF] Ball-based approach for modeling, animating and skinning for aquatic creatures

S Haa, R Shemakaa, Y Baia, S Zhangb, S McManusa… - Citeseer
We present a key frame animation of a swimming pattern consisting of 3D skinning balls,
which are designed to preserve global and local volume. We designed a concise data …