Wave-Induced Seepage Forces on Porous Vertical Cylinder Resting on Porous Elastic Seabed

曾昭銮; 黄华; 詹杰民; 邱志铭; 高文乐

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Wave-Induced Seepage Forces on Porous Vertical Cylinder Resting on Porous Elastic Seabed

更新时间：2026-09-14

- Wave-Induced Seepage Forces on Porous Vertical Cylinder Resting on Porous Elastic Seabed
- 固立于可渗透弹性海床上透空型圆柱的波浪渗流力
- Vol. 31, Issue 4, Pages: 327-330(2010)
- 作者机构：
  
  1. 中山大学应用力学与工程系
  2. 东华理工大学土木与环境工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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曾昭銮, 黄华, 詹杰民, et al. Wave-Induced Seepage Forces on Porous Vertical Cylinder Resting on Porous Elastic Seabed[J]. 2010, 31(4): 327-330.
DOI：

曾昭銮, 黄华, 詹杰民, et al. Wave-Induced Seepage Forces on Porous Vertical Cylinder Resting on Porous Elastic Seabed[J]. 2010, 31(4): 327-330. DOI：

摘要

应用特征函数法研究了结构的透空性对可渗弹性海床上圆柱底面渗流波浪力的影响

推导了直柱的一阶绕射波场的压力分布解以及海床内渗流压力分布解

并对作用于圆柱底面上的波浪浮托力和倾覆力矩进行了实算和分析.结果表明:浮托力和倾覆力矩与波浪直接作用可能具有相同量级;而结构的透空性对减弱直接波浪载荷有明显作用

但对波浪所致渗流压力的减弱不明显

甚至可能增加倾覆力矩

造成固立结构的不稳定.

Abstract

The effect of the porosity of the structure on the wave-induced seepage pressure on the bottom of porous vertical circular cylinder resting on porous elastic seabed was investigated by applying the eigenfunction expansion method.The mathematical solutions to first order diffracted wave pressure on a porous vertical circular cylinder and the seepage pressure on the bottom of porous cylinder were derived.The wave-induced uplift force and overturn moment on the bottom of circular cylinder were calculated and analyzed.The results show that the magnitude of wave-induced uplift force and overturn moment may be similar to that of the horizontal wave loads.The porosity of the structure may lead to a significant reduction in the horizontal wave loads

but has not the same effect on seepage pressure.It may even increase the overturn moment

and result in the instability of the structure resting on porous seabed.

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references

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