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Automatic Rendering of Astrodynamics Expressions for Efficient Evaluation

dc.contributor.authorHealy, Liam M.
dc.contributor.authorTravisano, Jeffrey J.
dc.identifier.citationThe Journal of the Astronautical Sciences, Vol. 46, No. 1, January-March 1998, pp. 65-81en
dc.descriptionThis publication is posted with the permission of the American Astronautical Society.en
dc.description.abstractIn this paper, we describe the automatic rendering of expressions computed using symbolic manipulation. Computations from astrodynamics frequently can be put in a fixed hierarchy of polynomials and Fourier series. Once in this form, FORTRAN subprograms can be generated automatically in a form that lends itself to numerical evaluation. The goal of the current work is to present an approach for using symbolic manipulation techniques to produce a Fortran representation of the normalized Hamiltonian and other supporting equations representing as many of the actual physical effects on satellites as possible.en
dc.format.extent811635 bytes
dc.publisherAmerican Astronautical Societyen
dc.subjectcomputer algebraen
dc.subjectLie transformationsen
dc.subjectFortran generationen
dc.subjectnumerical evaluationen
dc.subjectsatellite orbitsen
dc.subjectgeopotential perturbationen
dc.titleAutomatic Rendering of Astrodynamics Expressions for Efficient Evaluationen
dc.relation.isAvailableAtA. James Clark School of Engineeringen_us
dc.relation.isAvailableAtAerospace Engineeringen_us
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, Md.)en_us

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