A comparison of parallel multigrid and a fast Fourier transform algorithm for the solution of the Helmholtz equation in numerical weather prediction

被引：5

作者：

Hess, R ^{[1
]}

Joppich, W ^{[1
]}

机构：

[1] GERMAN NATL RES CTR INFORMAT TECHNOL,GMD,INST ALGORITHMS & SCI COMP,D-53754 ST AUGUSTIN,GERMANY

来源：

PARALLEL COMPUTING | 1997年 / 22卷 / 11期

关键词：

weather forecasting; parallel solver; Helmholtz equation; FFT; multigrid;

D O I：

10.1016/S0167-8191(96)00058-0

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The efficient solution of Helmholtz equations is required in limited area weather forecasting models. The parallel performance of two different algorithms - FFT with Gauss elimination and multigrid - is compared.

引用

页码：1503 / 1512

页数：10