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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >An effective approach for approximate analytical solutions of the damped Duffing equation
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An effective approach for approximate analytical solutions of the damped Duffing equation

机译:阻尼Duffing方程近似解析解的一种有效方法

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摘要

This paper deals with the purely analytic solutions to the damped Duffing equation. It is shown that the employed homotopy method yields uniformly convergent solutions. Optimum values of the convergence control parameter of the computed homotopy series are calculated from the square residual error. The obtained explicit analytical expressions for the solution generate results that compare excellently with the numerically computed ones, which are further confirmed analytically by the absolute error formula.
机译:本文讨论了阻尼Duffing方程的纯解析解。结果表明,采用的同伦方法产生了均匀收敛的解。从平方残差计算出计算出的同伦序列的收敛控制参数的最佳值。所获得的解决方案的明确解析表达式所生成的结果与数值计算的结果极佳,这些结果通过绝对误差公式进一步得到了分析证实。

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