利用小波多分辨分析寻求汽液两相均匀流模型的近似解  

Finding the Approximate Solution of Steam-Liquid Two-Phase Homogeneous Model Based on Multi-Resolution Analysis of Wavelet

作　　者：张文星[1] 廖义香[2] 何灿阳[2] 

机构地区：[1]南华大学电气工程学院,湖南衡阳421001 [2]南华大学核科学技术学院,湖南衡阳421001

出　　处：《南华大学学报（自然科学版）》2005年第1期96-99,共4页Journal of University of South China：Science and Technology

摘　　要：利用小波的多分辨分析特性来寻求微分方程的近似解,同时把这种方法应用到汽液两相均匀流模型的求解中,其结果表明:这种方法能够有效地求解变系数的耦合微分方程组.An approximate solution to differentinal equations was obtained by multi-resolution analysis characteristics of wavelet,and it was applied to steam-liquid two-phase homoqeneous model.The results show that the coupled differential equations with nonconstant coefficients can be solved efficiently by this approximate solution.

关 键 词：多分辨分析 近似解 小波分析 汽液两相均匀流模型 耦合微分方程组 

分 类 号：O359.1[理学—流体力学] O241.81[理学—力学]