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首页> 外文期刊>Oceanologia >Attenuation of wave-induced groundwater pressure in shallow water. Part 2. Theory
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Attenuation of wave-induced groundwater pressure in shallow water. Part 2. Theory

机译：波浪引起的浅水地下水压力的衰减。第二部分：理论

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In this Part 2 of the paper (Part 1 was published by Massel et al. 2004) an exact close-form solution for the pore-water pressure component and velocity circulation pattern induced by surface waves is developed. This comprehensive theoretical model, based on Biot's theory, takes into account soil deformations, volume change and pore-water flow. The calculations indicate that for the stiffness ratio G/E'w ≥ 100, the vertical distribution of the pore pressure becomes very close to the Moshagen & T?rum (1975) approach, when the soil is rigid and the fluid is incompressible. The theoretical results of the paper have been compared with the experimental data collected during the laboratory experiment in the Large Wave Channel in Hannover (see Massel et al. 2004) and showed very good agreement. The apparent bulk modulus of pore water was not determined in the experiment but was estimated from the best fit of the experimental pore-water pressure with the theoretical one. In the paper only a horizontal bottom is considered and the case of an undulating bottom will be dealt with in another paper.
机译：在本文的第2部分（第1部分由Massel等人于2004年出版）中，开发了一种精确的封闭形式的解决方案，用于解决由表面波引起的孔隙水压力分量和速度循环模式。这个基于Biot理论的综合理论模型考虑了土壤变形，体积变化和孔隙水流量。计算表明，对于刚度比G / E'w≥100，当土壤是刚性的且流体不可压缩时，孔隙压力的垂直分布变得非常接近Moshagen＆T？rum（1975）的方法。将该论文的理论结果与汉诺威大波浪通道实验室实验中收集的实验数据进行了比较（参见Massel等人2004），并显示出很好的一致性。在实验中未确定孔隙水的表观体积模量，而是根据实验孔隙水压力与理论值的最佳拟合来估算的。在本文中，仅考虑水平底部，而在另一篇文章中将讨论起伏底部的情况。

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