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海洋热塑性增强管(RTP)涡激振动数值计算

芮雪 陈东阳 王国平

芮雪, 陈东阳, 王国平. 海洋热塑性增强管(RTP)涡激振动数值计算[J]. 力学学报, 2020, 52(1): 235-246. doi: 10.6052/0459-1879-19-312
引用本文: 芮雪, 陈东阳, 王国平. 海洋热塑性增强管(RTP)涡激振动数值计算[J]. 力学学报, 2020, 52(1): 235-246. doi: 10.6052/0459-1879-19-312
Rui Xue, Chen Dongyang, Wang Guoping. NUMERICAL CALCULATION OF VORTEX-INDUCED VIBRATION OF REINFORCED THERMOPLASTIC PIPE[J]. Chinese Journal of Theoretical and Applied Mechanics, 2020, 52(1): 235-246. doi: 10.6052/0459-1879-19-312
Citation: Rui Xue, Chen Dongyang, Wang Guoping. NUMERICAL CALCULATION OF VORTEX-INDUCED VIBRATION OF REINFORCED THERMOPLASTIC PIPE[J]. Chinese Journal of Theoretical and Applied Mechanics, 2020, 52(1): 235-246. doi: 10.6052/0459-1879-19-312

海洋热塑性增强管(RTP)涡激振动数值计算

doi: 10.6052/0459-1879-19-312
基金项目: 1) 国家自然科学基金资助项目(11472135)
详细信息
    通讯作者:

    芮雪

  • 中图分类号: TB122

NUMERICAL CALCULATION OF VORTEX-INDUCED VIBRATION OF REINFORCED THERMOPLASTIC PIPE

  • 摘要: 基于Van der Pol尾流振子模型和多体系统传递矩阵法(transfer matrix method for multibody systems, MSTMM), 建立了可以快速预测海洋热塑性增强管(reinforced thermoplastic pipe, RTP)振动特性和涡激振动响应的动力学模型. 仿真结果与ANSYS软件仿真结果以及文献实验数据对比, 验证了本文模型的准确性. 研究了考虑RTP立管刚性接头, 不同顶张力, 不同来流分布等情况对RTP立管涡激振动响应的影响. 计算结果表明: 流速越大, 立管涡激振动激发出的模态越高; 立管涡激振动主要受低阶模态控制; 立管的刚性接头对立管的湿模态影响较小, 但是对较高阶模态为主所激发出的涡激振动振幅分布影响较大; 剪切流对沿立管轴向的涡激振动振幅分布影响较大, 低流速能量小所引起的涡激振动幅值较小, 但是当剪切流流速达到能激发出较高阶模态时, 相比同等流速的均匀流所引起的涡激振动振幅要大.

     

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出版历程
  • 收稿日期:  2019-11-11
  • 刊出日期:  2020-02-10

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