A COMPARISON OF SPATIAL GRIDS FOR NUMERICAL MODELING OF FLOWS IN NEAR-COASTAL SEAS

被引：13
|
作者：
LARDNER, RW
SONG, Y
机构：
[1] Mathematics Department, Siron Fraser University, Burnaby, British Columbia
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 1992年 / 14卷 / 01期
关键词：
NUMERICAL TIDAL MODEL; SPECTRAL METHOD; ARAKAWA GRIDS;
D O I：
10.1002/fld.1650140109
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Three-dimensional algorithms for the numerical computation of flows caused by tides or meteorological forcing are developed for four of Arakawa's spatial grid types using a spectral method in the vertical dimension. Three of the grids, in which the velocity components are computed at the same grid points, offer potential advantages over the commonly used C-grid. The computed results from the four grids are compared for three test problems based on the linearized hydrodynamical equations. It is concluded that the B-grid provides a viable alternative to the C-grid, with significant advantages when a spectral method is used.
引用
收藏
页码：109 / 124
页数：16
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