Geodesic
Construction of interactive geometric model of outside surface of a spacecraft
Matematičeskoe modelirovanie, Tome 32 (2020) no. 6, pp. 37-52

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In this paper author introduces the approach to construction of interactive model of external spacecraft surface which is used in applications related to computing integrals on surface of a spacecraft, finding visible parts of surface taking in account its each other overlapping, finding projection of surface to arbitrary plane using given projection operator. In current approach surface of a spacecraft is constructed of number geometric primitives. Introduced method makes possible to turn on/off parts of the model, modeling of movable elements (like antennas, manipulators, solar batteries). This approach was implemented as a program module, which is used in number of mathematical modeling software: modeling of aerodynamic force and the moments affecting on a spacecraft, light pressure force and moments, modeling of operational behavior of solar batteries of spacecraft, modeling of thermal conditions of a spacecraft, modeling of electromagnetic waves diffraction on spacecraft surface. In this paper an example of using geometric model to compute aerodynamic force and moment is introduced.
Keywords: geometric model, spacecraft, ray tracing, invisible surface elimination, shadow modeling, hierarchical model, geometric primitives, aerodynamic load. 
@article{MM_2020_32_6_a2,
     author = {Vas. V. Sazonov},
     title = {Construction of interactive geometric model of outside surface of a spacecraft},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {37--52},
     publisher = {mathdoc},
     volume = {32},
     number = {6},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2020_32_6_a2/}
}
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Vas. V. Sazonov. Construction of interactive geometric model of outside surface of a spacecraft. Matematičeskoe modelirovanie, Tome 32 (2020) no. 6, pp. 37-52. http://geodesic.mathdoc.fr/item/MM_2020_32_6_a2/