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二维水波辐射问题的二阶时域解

, PP. 107-117

Keywords: 非线性水波,二阶理论,人工阻尼

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Abstract:

用二阶理论在时域范围内研究二维二阶非线性水波的辐射问题,一阶、二阶问题分别满足各自的自由表面条件和物面条件,采用人工阻尼来吸收反射波.计算采用有限元法,对水平半圆柱体在水面的振荡问题进行了计算,计算了波高时间历程和水动力,计算结果与有关文献中的数据相比符合较好.

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