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porous seabed
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  “porous seabed”译为未确定词的双语例句
     Numerical analyses of dynamic response of porous seabed under wave loading
     波浪作用下海床动力反应的数值分析
短句来源
     COMPOSITE EQUATIONS OF WATER WAVES OVER UNEVEN AND POROUS SEABED
     非平整、多孔介质海底上波浪传播的复合方程
短句来源
     Theoretical analysis of wave action with perforated caissons on porous seabed
     开孔沉箱在波浪作用下的受力分析
     LIFTING OF A 3-D OBJECT FROM A POROUS SEABED
     起捞大型物体的水动力计算
短句来源
     Wave Damping due to Porous Seabed Effect
     波浪在可渗海床上传播时的衰减
短句来源
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  相似匹配句对
     Wave Damping due to Porous Seabed Effect
     波浪在可渗海床上传播时的衰减
短句来源
     LIFTING OF A 3-D OBJECT FROM A POROUS SEABED
     起捞大型物体的水动力计算
短句来源
     Progress of Porous Hydrogels
     多孔水凝胶研究进展
短句来源
     Luminescence in Porous Silicon
     多孔硅的发光
短句来源
     The prospect of seabed classification technology
     海底声学底质分类技术的研究现状与前景
短句来源
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  porous seabed
Therefore, numerical analysis method considering porous seabed conditions seems to be more useful.
      
This study computed numerically wave damping passing over the porous seabed using a boundary element method.
      
Two mechanisms for the wave-induced pore pressures in a porous seabed, i.e.
      
Ocean waves propagating over a porous seabed: Residual and oscillatory mechanisms
      


In this paper, a linear analytic solution for wave-induced responses in a porous seabed is presented for the case where the soil beneath the water is regarded as poro-viscoelastic solid of infinte depth. Exact solutions ior the pore-water pressure and the displacements oi the porous medium are obtained in a closed form. The theoretical results indicate that the bed response is strongly influenced by the compressibility of pore water, the permeability and shear modulus of the soil, as well as the...

In this paper, a linear analytic solution for wave-induced responses in a porous seabed is presented for the case where the soil beneath the water is regarded as poro-viscoelastic solid of infinte depth. Exact solutions ior the pore-water pressure and the displacements oi the porous medium are obtained in a closed form. The theoretical results indicate that the bed response is strongly influenced by the compressibility of pore water, the permeability and shear modulus of the soil, as well as the viscosity of the soil. By neglecting the viscosity oi the soil, the present solution approaches one obtained by Yamamoto (1978) .

本文提出了一种有孔粘弹性底面模型。根据Biot的三维固线理论,讨论了波浪作用下有孔粘弹性底面中孔隙水压力响应和固体颗粒承受的有效应力的响应。若忽略粘性,本文的模型则退化到yamamoto的有孔弹性底面模型。从物理意义来说,本文提出的模型更全面合理。

This article, follows the assumpations of Mei[5], 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.

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。

A numerical method to determine the wave induced seepage force on three-dimensional structure of arbitrary shape resting on an elastic, porous seabed is studied in this paper. Two kinds of seabed ard considered. One is homogeneous, isotropic and has linear elastic behavior; the other is anisotropic and partly of rubble-mound. It is assumed that the seepage action in rubble-mound seabed is expressed by non-Darcy's flow; seepage resistant force satisfies Forcheimer's formula. The seepage action...

A numerical method to determine the wave induced seepage force on three-dimensional structure of arbitrary shape resting on an elastic, porous seabed is studied in this paper. Two kinds of seabed ard considered. One is homogeneous, isotropic and has linear elastic behavior; the other is anisotropic and partly of rubble-mound. It is assumed that the seepage action in rubble-mound seabed is expressed by non-Darcy's flow; seepage resistant force satisfies Forcheimer's formula. The seepage action in soil seabed is expressed by Darcy's flow; the displacements of soil and the porous fluid pressure satisfy Biot consolidation theory. By using an improved Biot equation, the seepage pressure acting on circular cylinder and rectangular cylinder is calculated by the finite element method.

本文用数值方法计算了作用在三维任意形状建筑物底面上的波浪引起的渗流压力。本文的计算考虑了三种海床情况,一种是均质的,各向同性的线弹性海床,另一种是有部分抛石基床嵌在线弹性海床之中。其中,抛石基床中的渗流采用非达西流,渗流阻力满足Forcheimer公式;线弹性海床中的渗流采用达西流,土骨架的位移及孔隙水压满足Biot固结理论。根据Kokkinowrachos,从Biot方程和贮水方程中将土骨架位移消去,从而得到了一个以孔隙水压为变量的泊松方程。据此,本文用有限元方法求解了圆墩和方墩底面上的渗流压力。

 
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