Highly-accurate artificial boundary conditions for the two-dimensional wave equation

被引：0

作者：

Sofronov, IL ^{[1
]}

机构：

[1] Russian Acad Sci, Keldysh Inst Appl Math, Moscow 125047, Russia

来源：

COMPUTATIONAL FLUID DYNAMICS '98, VOL 1, PARTS 1 AND 2 | 1998年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

For two-dimensional external wave problems, we generate exact far-field condition on a circular artificial boundary. The operator of the condition is non-local in both space and time. In order to reduce computational resources needed for its discrete counterpart, we propose a way to localise the computational formulae with respect to time.

引用

页码：654 / 659

页数：6

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