对于轨道上装配超大空间结构的同等规模分析的研究
Dayu Zhang1, Xiaofei Ma1, Yang Li1
1China Academy of Space Technology (Xi'an), Xi'an 710100, China.
Materials (Basel, Switzerland)
|December 31, 2025
概括
一种新的缩放分析方法准确地预测了超大空间结构的轨道性能. 这种方法简化了组装过程中对振动和变形的评估,这对任务成功至关重要.
科学领域:
- 航空航天工程 航空航天工程
- 结构力学 结构力学
- 太空系统工程 太空系统工程
背景情况:
- 超大结构对于太空任务,如地球观测和深空探索至关重要.
- 这些巨型结构在轨道上组装需要先进的技术来实现精度和稳定性.
- 在组装过程中评估振动和静态变形对于结构完整性和表面精度至关重要.
研究的目的:
- 建立一个同等规模的分析方法来评估基于太空的大型结构的轨道组装.
- 开发机械性能和模块尺寸之间的缩放关系,以准确预测性能.
- 为了在大型空间结构的组装过程中精确评估机械特性.
主要方法:
- 理论建模以建立机械性能 (自然振动,静态变形) 和模块直径之间的缩放关系.
- 数值分析以验证已建立的缩放规律.
- 用于预测全尺度结构行为的等效尺度分析.
主要成果:
- 该研究确定了结构自然振动,静态变形和模块直径之间的缩放关系.
- 数值结果证实,模块直径减半增加了自然频率约4倍,减少了静态变形约8倍,与缩放规律保持一致.
- 开发的方法准确地推断了全尺寸结构的轨道机械行为.
结论:
- 相当尺度分析方法为评估超大空间结构组装提供了一个有效的工具.
- 这种方法可以准确地预测轨道上的刚性,稳定性和表面精度.
- 它支持精确的机械特性评估在轨道上组装基于太空的大型结构.
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