对组装的合金支架影响性能的关键参数分析
Tiansong Ye1,2, Shiyu Zheng1,2, Zhengrong Zhou3
1Research Center of Space Structures, Guizhou University, Guiyang, 550025, China.
Scientific reports
|August 26, 2025
概括
这项研究引入了一种新型的,轻量级的合金阻支架 (BRB),以克服长跨度结构中的传统BRB的重量限制. 新设计增强了能源消耗,并指导了结构工程应用的优化.
科学领域:
- 结构工程
- 材料科学
- 机械工程
背景情况:
- 阻塞式支架 (BRB) 对于结构中的承载和能量消耗至关重要.
- 传统的BRB由于其显著的自身重量而面临限制,特别是在长距离的应用中.
研究的目的:
- 提出并分析使用轻质合金和重新设计的结构形式的新型BRB配置.
- 调查几何缺陷和空隙对新BRB性能的影响.
主要方法:
- 为合金BRB开发一个非线性有限元模型.
- 对模型与实验数据和现有建模技术进行验证.
- 对内核缺陷和空隙对能量消散和应力分布的影响进行系统分析.
主要成果:
- 这项研究分析了初始几何缺陷和核心束成员清除对能量散射能力和应力分布的影响.
- 数字结果提供了对新型BRB设计的性能特征的见解.
- 根据清除条件确定了限制长度比的推范围.
结论:
- 拟议的轻质合金BRB提供了一个可行的解决方案,以克服传统BRB的自身重量限制.
- 了解几何缺陷和空隙的影响对于优化BRB设计至关重要.
- 这些发现为长跨度结构中BRB的设计优化提供了宝贵的指导.
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