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Optimal Perturbation Iteration Method for Solving Nonlinear Heat Transfer Equations

机译:求解非线性传热方程的最优摄动迭代法

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摘要

In this paper, the new optimal perturbation iteration method (OPIM) is introduced and applied for solving nonlinear differential equations arising in heat transfer. The effectiveness of the proposed method will be tested by considering two specific applications: the temperature distribution equation in a thick rectangular fin radiation to free space and cooling of a lumped system with variable specific heat. Comparing different methods shows that the results obtained by optimal perturbation iteration method are very good agreement with the numerical solutions and perform better than the most existing analytic methods.
机译:本文介绍了一种新的最优摄动迭代方法(OPIM),并将其应用于求解传热中的非线性微分方程。将通过考虑两个特定的应用来测试所提出方法的有效性:在厚矩形散热片向自由空间的辐射中的温度分布方程式以及具有可变比热的集总系统的冷却。对不同方法的比较表明,最优扰动迭代方法获得的结果与数值解非常吻合,并且比大多数现有的分析方法具有更好的性能。

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