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《中国工程科学》 >> 2001年 第3卷 第10期

波浪与外壁透空双筒柱的互相作用

大连理工大学 海岸和近海工程国家重点实验室,辽宁 大连 116024

资助项目 :国家自然科学基金资助项目(19732004, 50025924),国家自然科学基金与香港研究资助局联合资助基金资助项目(49910161985) 收稿日期: 2001-03-23 修回日期: 2001-06-12 发布日期: 2001-10-20

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摘要

对于波浪与透空外壁同轴双筒柱的相互作用问题,利用速度势的特征函数展开式和透空壁内流体速度与两壁间压力差成正比的线性模型,建立了一个线性解析解。应用这一模型开展了数值实验,用以检验孔隙系数和透空部分大小以及内外柱径之比对双筒柱上波浪力和波面高度的影响。计算结果表明,外壁孔隙系数和透空部分大小对波面升高和波浪荷载有很大影响,通过调整各个系数,应用双筒透空柱可以减小周围的波面高度及其上的波浪荷载。

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