2024
DOI: 10.3390/computation12020023
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Exploring Controlled Passive Particle Motion Driven by Point Vortices on a Sphere

Carlos Balsa,
M. Victoria Otero-Espinar,
Sílvio Gama

Abstract: This work focuses on optimizing the displacement of a passive particle interacting with vortices located on the surface of a sphere. The goal is to minimize the energy expended during the displacement within a fixed time. The modeling of particle dynamics, whether in Cartesian or spherical coordinates, gives rise to alternative formulations of the identical problem. Thanks to these two versions of the same problem, we can assert that the algorithm, employed to transform the optimal control problem into an opti… Show more

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“…Point vortex models are also relevant as a simplified representation of geophysical flows. Balsa et al [8] considered a passive particle that is convected by atmospheric circulation or oceanic currents. He approximated the flow by modelling point vortices on a sphere and formulated a control problem for the minimization of energy needed to displace the particle between two points during a fixed time.…”
Section: Introductionmentioning
confidence: 99%
“…Point vortex models are also relevant as a simplified representation of geophysical flows. Balsa et al [8] considered a passive particle that is convected by atmospheric circulation or oceanic currents. He approximated the flow by modelling point vortices on a sphere and formulated a control problem for the minimization of energy needed to displace the particle between two points during a fixed time.…”
Section: Introductionmentioning
confidence: 99%