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背面支的快速适配与非线性行为的大型变形分析
Siham El Otmani1, Dong-Kil Shin1
1School of Mechanical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
Heliyon
|September 8, 2023
概括
这项研究分析了背面支的快速合适,发现支杆刚度和降低压力度可以改善设计. 数字和实验方法证实了这些发现的快速适应性能.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 设计工程 设计工程 设计工程
背景情况:
- 快速插件是常见的机械紧固件,但它们在较大的变形下的性能,特别是背面支类型,需要详细分析.
- 背面快速配件中的支杆对于组装/拆卸至关重要,并经历了显著的非线性行为.
研究的目的:
- 为了分析背面支的快速合适器的大型变形.
- 调查支杆的反应力及其变形特征的作用.
- 确定设计改进,以提高快速合适性能.
主要方法:
- 用有限元分析 (FEA) 来建模快速适合的行为.
- 为了实验验证,制造了三个样本设计.
- 使用测试机器收集负载位移数据,以测量反应力.
主要成果:
- 应力度在支杆根和基部曲边缘的支杆根被确定.
- 支杆表现出很大的变形,涉及非线性弹性和塑料损伤.
- 负载位移曲线显示出高度非线性行为,包括在塑料损伤开始之前的峰值负载.
结论:
- 快速适合的设计可以通过最小化应力度点来优化.
- 增加支杆的刚性可以增强快速适合的功能.
- 综合的数值和实验方法提供了强大的设计验证.
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