求解二维多区域声波散射问题的边界元方法A boundary element method for 2-D acoustic scattering by multiple obstacles
孟文辉;
摘要(Abstract):
对于多散射区域的声波散射问题的外Neumann边值问题,用单层位势来逼近每个散射域上的散射波,再利用位势理论的跳跃关系将问题转换为第二类边界积分方程组的求解问题,然后用Nystrm方法进行了求解.对多个随机散射区域的声波散射问题,数值例子体现了该求解方法的可行性和准确性.
关键词(KeyWords): Helmholtz方程;多区域声波散射;边界元方法
基金项目(Foundation): 国家自然科学基金(10590353),(90405016)
作者(Authors): 孟文辉;
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