A Unique Solvable Higher Order BEM For Wave Diffraction And Radiation

A Unique Solvable Higher Order BEM For Wave Diffraction And Radiation
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发表时间：
1995
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通讯作者：
B. Teng;Y. Li
B. Teng;Y. Li
中科院分区：
其他
文献类型：
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作者：
B. Teng;Y. Li

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针对高阶元的离散化问题，提出了一种修正积分域法，消除了穿透体波衍射和辐射积分方程中所继承的不规则频率。该方法通过将一组零解线性方程组叠加，将得到的过定线性方程组转化为正规线性方程组。通过数值实验找到了辅助域尺寸的最佳选择及其离散化方法。
For the discretization of higher order elements, the paper presents a modifying integral domain method to remove the irregular frequencies inherited in the integral equation of wave diffraction and radiation from a surface-piercing body. The set of over-determined linear equations obtained from the method is modified into a normal set of linear equations by superposing a set of linear equations with zero solutions. Numerical experiments have also been carried out to find the optimum choice of the size of the auxiliary domain and the discretization on it.