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用于随机振动分析的小波数值方法

DOI: 10.3969/j.issn.1000-1298.2007.3.070342, PP. 168-170

Keywords: FPK方程,Shannon小波,配点法

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Abstract:

FPK方程是随机振动动态响应概率密度函数的控制方程。提出了一种计算FPK方程稳态解的小波数值方法,详细推导了FPK方程的拟Shannon小波配点法数值计算格式,以杜芬振子为例给出了拟Shannon小波配点法求解FPK方程的完整过程。数值算例表明,该方法具有良好的计算精度。

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