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Issue:
Hexagonal Fourier spectral method
Author(s):
LI Hui-yuan
,
QIAO Hai-jun
Pages:
147
-
162
Year:
2013
Issue:
1
Journal:
Communication on applied mathematics and computation
Keyword:
六边形晶格
;
周期
;
Fourier谱方法
;
椭圆偏微分方程
;
Abstract:
首先,建立了晶格Fourier分析的一般理论,并具体研究了六边形区域上周期函数的数值逼近.在此基础上,提出了六边形区域上的椭圆型偏微分方程的周期问题求解的六边形Fourier谱方法,设计了相应谱格式快速实现算法,建立了Fourier谱方法的稳定性与收敛性理论.同方形区域上的经典Fourier谱方法一样,六边形Fourier谱方法可以充分利用快速Fourier变换,并具备了“无穷阶”的谱收敛速度.
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