Distributed 3D modeling and visualization simulation applied to the ambient near-earth space environment

This paper illustrates the necessary of building the Ambient Near-Earth Space Environment Simulation from its essentiality to the human survival. In order to the expansibility, repetition and cooperation, this paper designs the ambient near-earth space environment simulation federate based on HLA, and advances the main federation to most objects of the space environment. This advances the static model and survey model about the space environment element. On the base of each space environment element specialty, it establishes the relevant 3D data field by every static model. The survey data partitions the data field to hexahedron, then switches the survey spatial data into the regular hexahedron data by Jacobi matrix. Finally it gives the geometry model of the neutral atmosphere, the ionospheric plasma, and advances the universal 3D visualization scheme for the near-earth space environment element simulation.