空间结构之间对太阳直接辐射的遮挡算法的研究

Research on shaded algorithm from direct solar radiation in space structures

通过研究空间结构之间对太阳直接辐射的遮挡,提出了一种快速可行的遮挡算法。运用该算法,对杆件与杆件的遮挡以及杆件与曲面片之间的遮挡进行计算机仿真,结果和实际光照模型基本一致。结果表明该遮挡算法是一种行之有效的多体遮挡算法,为空间结构精确的热计算和热分析奠定了基础。

A quick and feasible shaded algorithm is proposed based on research on shaded algorithm from direct solar radiation in space structures. The present algorithm was used to make computer simulations of the shading between bars and bars, bars and a surface. The results obtained are in good agreement with the illumination model and show its effectiveness in shading calculation for space multibody. The algorithm is beneficial to precise thermal analysis and calculation The algorithm provides a base for the precise analysis and calculation of space structures.