A multiple flux boundary element method applied to the description of surface water waves
A multiple flux boundary element method applied to the description of surface water waves
复制标题
多通量边界元法应用于表面水波描述
DOI：
10.1016/j.jcp.2009.04.012
复制
发表时间：
2009
影响因子：
4.1
通讯作者：
Hague C
中科院分区：
文献类型：
--
作者：
Hague C
本文研究了具有完全非线性自由曲面边界条件的高阶边界元法二维数值模型。采用多重通量作为消除所谓“角问题”的方法，即几何不连续处的向外法线方向不明确。在本方法中，考虑了与拐角处向外法线的不同方向相关的两个通量，从而允许在该位置放置单个节点。这可以防止在边界的重要部分丢失任何信息，特别是考虑到波反射和波上升的模拟。将该方法与双节点法和不连续单元法进行了比较，结果表明该方法更为精确。该方法的成功进一步证明了它能够准确地模拟涉及波传输和波结构相互作用的各种问题。在不需要过滤、平滑或任何形式的重新网格化的情况下获得的结果。
This paper concerns a two dimensional numerical model based on a high-order boundary element method with fully nonlinear free surface boundary conditions. Multiple fluxes are applied as a method of removing the so-called “corner problem”, whereby the direction of the outward normal at geometric discontinuities is ill-defined. In the present method, both fluxes associated with differing directions of the outward normal at a corner are considered, allowing a single node to be placed at that position. This prevents any loss of information at what can be an important part of the boundary, especially if considering simulations of wave reflection and wave run-up. The method is compared to both the double node approach and the use of discontinuous elements and is shown to be a more accurate technique. The success of the method is further demonstrated by its ability to accurately simulate various problems involving wave transmission and wave-structure interactions at domain corners; the results being achieved without the need for filtering, smoothing or re-gridding of any kind.
影响因子：
3.3
作者：
K. Hamano;S. Murashige;K. Hayami
通讯作者：
K. Hayami
计算陡波下水平圆柱体上的力和粒子围绕水平圆柱体的轨道
影响因子：
5
作者：
J. Skourup;I. G. Jonsson
通讯作者：
I. G. Jonsson