| 起捞大型物体的水动力计算 |
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| 引用本文： | 陈耀松,孙普.起捞大型物体的水动力计算[J].力学学报,1987(1). |
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| 作者姓名： | 陈耀松 孙普 |
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| 作者单位： | 北京大学
(陈耀松)，成都科技大学(孙普) |
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| 摘 要： | 提升坠入海底或放置于海底的物体是海洋工程中经常出现的问题。在假设沙质海底具有渗透性但不发生变形的条件下,C.C.Mei等提出了二维物体提升的理论模型以及提升规律的计算公式。本文在同样假设下提出了提升三维物体的计算公式。并且证明,本文所提公式包含了C.C.Mei等的结果。用本文提供的方法可以估计二维计算公式的适用范围。
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| 关 键 词： | 渗流力学 过渡过程 计算方法 |
LIFTING OF A 3-D OBJECT FROM A POROUS SEABED |
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| Chen Yaosong Sun Pu.LIFTING OF A 3-D OBJECT FROM A POROUS SEABED[J].chinese journal of theoretical and applied mechanics,1987(1). |
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| Authors: | Chen Yaosong Sun Pu |
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| Abstract: | This article, follows the assumpations of Mei5], offers a method of calculating 3-D objects. A set of equations for calculating the pulling motion of 3-D body from a porous seabed has been derived. These equations degenerate to the Mei's for 2-D, This theory of 3-D shows that the critical form of the elevation curve is same as 2-D, but there are quatitative differences for slender ratio < 15. |
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| Keywords: | permeation fluid mechanics transient process computational method |
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