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Título: Testing a fast dynamical indicator: The MEGNO
Autor(es): Maffione, Nicolás P.
Giordano, Claudia M.
Cincotta, Pablo M.
Fecha de publicación: ene-2011
Editorial: Elsevier
Citación: Maffione, Nicolás P., Giordano, Claudia M. y Cincotta, Pablo M. (2011). Testing a fast dynamical indicator: The MEGNO. Elsevier; International Journal of Non-Linear Mechanics; 46 (1); 23-34
Revista: International Journal of Non-Linear Mechanics
Abstract: To investigate non-linear dynamical systems, like for instance artificial satellites, Solar System, exoplanets or galactic models, it is necessary to have at hand several tools, such as a reliable dynamical indicator. The aim of the present work is to test a relatively new fast indicator, the Mean Exponential Growth factor of Nearby Orbits (MEGNO), since it is becoming a widespread technique for the study of Hamiltonian systems, particularly in the field of dynamical astronomy and astrodynamics, as well as molecular dynamics. In order to perform this test we make a detailed numerical and statistical study of a sample of orbits in a triaxial galactic system, whose dynamics was investigated by means of the computation of the Finite Time Lyapunov Characteristic Numbers (FT-LCNs) by other authors.
Resumen: To investigate non-linear dynamical systems, like for instance artificial satellites, Solar System, exoplanets or galactic models, it is necessary to have at hand several tools, such as a reliable dynamical indicator. The aim of the present work is to test a relatively new fast indicator, the Mean Exponential Growth factor of Nearby Orbits (MEGNO), since it is becoming a widespread technique for the study of Hamiltonian systems, particularly in the field of dynamical astronomy and astrodynamics, as well as molecular dynamics. In order to perform this test we make a detailed numerical and statistical study of a sample of orbits in a triaxial galactic system, whose dynamics was investigated by means of the computation of the Finite Time Lyapunov Characteristic Numbers (FT-LCNs) by other authors.
URI: https://rid.unrn.edu.ar/jspui/handle/20.500.12049/3763
Identificador DOI: https://doi.org/10.1016/j.ijnonlinmec.2010.06.008
ISSN: 0020-7462
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Este documento es resultado del financiamiento otorgado por el Estado Nacional, por lo tanto queda sujeto al cumplimiento de la Ley N° 26.899