一种分析方法,用于在提升操作期间对海上管道进行机械分析
Zhongxiao Wang1, Yongxin Chen2, Qingyou Gao2
1College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China.
Materials (Basel, Switzerland)
|October 28, 2023
概括
本研究提出了海上管道提升操作的分析方法,发现提升点位置显著影响管道行为,而不是当前速度. 这项研究有助于海洋管道工程的安全性和效率.
科学领域:
- 海洋工程 海洋工程
- 结构力学 结构力学
- 计算流体动力学的流体动力学.
背景情况:
- 在海洋工程中,海上管道提升至关重要.
- 对管道机械性能进行准确的分析对于安全和效率至关重要.
- 现有的方法可能缺乏对动态提升条件的全面分析.
研究的目的:
- 开发一种有效的分析方法,用于调查海上管道在提升过程中的机械性能.
- 分析诸如电流速度和起重点位置等因素的影响.
- 根据既定标准和数值方法验证分析模型的准确性.
主要方法:
- 开发了一个基于机械,物理和几何关系的分析模型.
- 使用射击和切割方法将边界值问题转化为初始值问题.
- 使用Runge-Kutta方法解决并通过Orcaflex通过有限元素方法 (FEM) 验证.
- 检查机械性能与Det Norske Veritas (DNV) 的离岸标准相比.
主要成果:
- 分析模型准确计算管道变形和机械性能.
- 电流速度在提升过程中对管道行为的影响很小.
- 起重点的位置显著影响了管道的变形和机械性能.
结论:
- 开发的分析方法为分析海上管道提升提供了可靠的工具.
- 了解起重点位置的影响对于优化海上管道运营至关重要.
- 这些发现有助于提高海洋管道工程中的安全性和设计.
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