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Spin-orbit coupling: the effect of the rheology

Grant number: 21/11306-0
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Start date: March 01, 2022
End date: February 28, 2026
Field of knowledge:Physical Sciences and Mathematics - Mathematics - Applied Mathematics
Principal Investigator:Clodoaldo Grotta Ragazzo
Grantee:Vitor Martins de Oliveira
Host Institution: Instituto de Matemática e Estatística (IME). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):22/12785-1 - Rotational dynamics of close-in bodies under tidal evolution, BE.EP.PD

Abstract

The gradient formed by a gravitational field exerted on a body leads to a phenomenon called tidal force, which is one of the main mechanisms for energy loss in planetary systems. The goal of this project is to investigate the effects of tidal forces on the spin evolution of a celestial body, typically a terrestrial planet, a fluid planet, or a satellite in either our solar system or in exoplanetary systems. The focus will be the effect of the body rheology on the time scale of despinning and on the entrapment into spin-orbit resonances. At the end of the project, we expect to have contributed to the construction of a comprehensive scenario for which the spin-orbit coupling occurs.

News published in Agência FAPESP Newsletter about the scholarship:
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Articles published in other media outlets ( ):
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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE OLIVEIRA, VITOR M.; RAGAZZO, CLODOALDO; CORREIA, ALEXANDRE C. M.. RheoVolution: An N-body simulator for tidally evolving bodies with complex rheological models. Astronomy & Astrophysics, v. 693, p. 13-pg., . (16/25053-8, 21/11306-0, 22/12785-1)
DE ALMEIDA, A. K.; VAILLANT, T.; DE OLIVEIRA, V. M.; BARBOSA, D.; MAIA, D.; ALJBAAE, S.; COELHO, B.; BERGANO, M.; PANDEIRADA, J.; PRADO, A. F. B. A.; et al. Tangential velocity constraint for orbital maneuvers with Theory of Functional Connections. SCIENTIFIC REPORTS, v. 14, n. 1, p. 19-pg., . (22/12785-1, 21/11306-0)