摘要
本文采用计算实例对通过波动方程计算浅水环流的有限元方法做了较为深入的研究。研究着重在计算精度、所用CPU时间与所取空间步长、时间步长的关系以及Courant数的取值等方面。计算结果也验证了该方法对抑制短波振荡的有效性。
A wave equation finite element model which is used to calculate the circulations in shallow water has been studied. The study particularly was stressed on the relations between the numerical accuracy, CPU time and spatial step, time step, and on the influence of the Courant number on the accuracy. Also, the numerical results showed the effect of this model in suppressing short wavelength spatial oscillation.
出处
《水动力学研究与进展（A辑）》
CSCD
北大核心
1991年第4期123-132,共10页
Chinese Journal of Hydrodynamics
关键词
浅水环流
有限元
波动方程
circulation in shallow water, finite element, wave equation.
