首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >Identification of boundary conditions for non-Fourier heat conduction problems by differential transformation DRBEM and improved cuckoo search algorithm
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Identification of boundary conditions for non-Fourier heat conduction problems by differential transformation DRBEM and improved cuckoo search algorithm

机译:鉴别鉴别差分变换DRBEM与乌木杜氏探测鉴定非傅立叶热传导问题的边界条件

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摘要

The differential transformation method is combined with the dual reciprocity boundary element method to solve the non-Fourier heat conduction problems in functionally gradient materials. The cuckoo search algorithm is improved by the Broyden-Fletcher-Goldfarb-Shanno algorithm to identify the boundary conditions for the heat conduction problems. The polynomial function related to coordinate and time is proposed to approximate the unknown boundary conditions. Numerical examples discuss the influences of measurement point numbers and measurement errors on inverse solutions. Numerical results demonstrate the effectiveness and accuracy of the proposed method.
机译:差分变换方法与双互补边界元件结合,以解决功能梯度材料中的非傅里叶导热问题。 杜鹃搜索算法通过泡沫 - 弗莱彻 - 戈尔德 - 金菲尔布 - 鲨诺算法改进,以识别导热问题的边界条件。 建议与坐标和时间相关的多项式函数来近似未知的边界条件。 数值示例讨论了测量点数和测量误差对逆解决方案的影响。 数值结果证明了所提出的方法的有效性和准确性。

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