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《中国工程科学》 >> 2006年 第8卷 第4期

水波与淤泥质底床相互作用数值模拟——基于滞后回路特征的淤泥体流变模型

中国科学院海洋研究所,山东青岛 266071

收稿日期: 2005-06-13 发布日期: 2006-04-20

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摘要

应用一个滞后回路特征的半经验的淤泥体流变模型描述表面水波作用下底床软泥层的振荡运动,建立了表面水波与淤泥质底床相互作用的垂向二维耦合模型。在数值处理上,为提高数值格式对水-泥界面附近流动的分辨力,较好地再现界面附近速度梯度大的流动特点,采用垂向对数网格处理技巧。模型验证是通过计算水波波高衰减率和底床软泥体输移速度,并与有关的实验测量数据进行比较。

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