Adaptive boundary element method of time-harmonic exterior acoustics in two dimensions

J.T. Chen; K.H. Chen; C.T. Chen

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Adaptive boundary element method of time-harmonic exterior acoustics in two dimensions

机译：二维时谐外部声学的自适应边界元方法

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In this paper we carry out boundary element computations of the Helmholtz equation in two dimensions, in the context of time-harmonic exterior acoustics. The purpose is to demonstrate cost savings engendered through adaptivity for propagating solutions at moderate wave numbers. The computation are performed on meshes of constant boundary elements and are adapted to the solution by locally changing element sizes (h-version). Burton and Miller approach is employed to solve the exterior problems for all wave numbers.

机译：本文在时谐外部声学的背景下，对二维亥姆霍兹方程进行边界元计算。目的是证明通过适度传播波数的解决方案而产生的成本节省。计算是在恒定边界元素的网格上执行的，并通过局部更改元素大小（h版本）使其适合于求解。 Burton和Miller方法用于解决所有波数的外部问题。

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《Computer Methods in Applied Mechanics and Engineering》 |2002年第31期|p.3331-3345|共15页
作者
J.T. Chen; K.H. Chen; C.T. Chen;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类自动化基础理论;工程基础科学;
关键词
Adaptive boundary element; Exterior acoustics; Hypersingular equation; Error indicators;

机译：自适应边界元;外部声学;超奇异方程;误差指标;

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Adaptive boundary element method of time-harmonic exterior acoustics in two dimensions

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