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孤立波与淹没平板相互作用的三维波面和水动力实验研究

王千 刘桦 房詠柳 邵奇

王千, 刘桦, 房詠柳, 邵奇. 孤立波与淹没平板相互作用的三维波面和水动力实验研究[J]. 力学学报, 2019, 51(6): 1605-1613. doi: 10.6052/0459-1879-19-244
引用本文: 王千, 刘桦, 房詠柳, 邵奇. 孤立波与淹没平板相互作用的三维波面和水动力实验研究[J]. 力学学报, 2019, 51(6): 1605-1613. doi: 10.6052/0459-1879-19-244
Wang Qian, Liu Hua, Fang Yongliu, Shao Qi. AN EXPERIMENTAL STUDY OF 3-D WAVE SURFACE AND HYDRODYNAMIC LOADS FOR INTERACTION BETWEEN SOLITARY WAVE AND SUBMERGED HORIZONTAL PLATE[J]. Chinese Journal of Theoretical and Applied Mechanics, 2019, 51(6): 1605-1613. doi: 10.6052/0459-1879-19-244
Citation: Wang Qian, Liu Hua, Fang Yongliu, Shao Qi. AN EXPERIMENTAL STUDY OF 3-D WAVE SURFACE AND HYDRODYNAMIC LOADS FOR INTERACTION BETWEEN SOLITARY WAVE AND SUBMERGED HORIZONTAL PLATE[J]. Chinese Journal of Theoretical and Applied Mechanics, 2019, 51(6): 1605-1613. doi: 10.6052/0459-1879-19-244

孤立波与淹没平板相互作用的三维波面和水动力实验研究

doi: 10.6052/0459-1879-19-244
基金项目: 1) 国家自然科学基金(11632012);国家自然科学基金(41861144024);上海交通大学海洋工程国家重点实验室资助项目(GKZD010075)
详细信息
    通讯作者:

    刘桦

  • 中图分类号: O342

AN EXPERIMENTAL STUDY OF 3-D WAVE SURFACE AND HYDRODYNAMIC LOADS FOR INTERACTION BETWEEN SOLITARY WAVE AND SUBMERGED HORIZONTAL PLATE

  • 摘要: 在波浪水池中进行了孤立波作用下有限长度和有限宽度淹没平板的三维模型水池实验. 首次应用多目视觉立体重构技术测量局部三维自由表面变形, 该系统的有效测量水平范围为1.7 m$\times $1.6 m. 用4个三分力测力传感器组成水下测力系统, 在不影响波面的情况下测量孤立波对平板的作用力和力矩. 针对波浪不破碎的情况, 选择0.4 m水深和0.16 m波高的来波条件, 平板淹没深度为0.1 m. 实验结果表明, 孤立波经过淹没平板时自由面有明显的三维变形, 导致孤立波波幅的时空变化. 波幅在平板尾缘中心线处达到最大值, 并沿展向逐渐减小. 利用多目视觉立体重构系统得到的波面变化过程与浪高仪给出定点波面时间序列相互印证, 表明建立标识码波面测量方法是有效的. 孤立波对淹没平板作用的水动力载荷变化分为6个典型阶段, 并与利用波面三维重构得到的波面测量标识码并讨论. 基于多目视觉立体重构技术得到了垂向力和俯仰力矩极值点出现时的三维波面形态. 建立的多目视觉立体重构系统将为海洋工程结构物的水池物理模型实验提供新的波面测量手段.

     

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出版历程
  • 收稿日期:  2019-09-02
  • 刊出日期:  2019-11-18

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