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Applying neural networks to the solution of forward and inverse heat conduction problems

机译:将神经网络应用于正向和反向导热问题的求解

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摘要

This paper employs the continuous-time analogue Hopfield neural network to compute the temperature distribution in forward heat conduction problems and solves inverse heat conduction problems by using a back propagation neural (BPN) network to identify the unknown boundary conditions. The weak generalization capacity of BPN networks is improved by employing the Bayesian regulariza-tion algorithm. The feasibility of the proposed method is examined in a series of numerical simulations. The results show that the proposed neural network analysis method successfully solves forward heat conduction problems and is capable of predicting the unknown parameters in inverse problems with an acceptable error.
机译:本文使用连续时间模拟Hopfield神经网络来计算正向导热问题中的温度分布,并通过使用反向传播神经(BPN)网络来识别未知边界条件来解决逆导热问题。通过使用贝叶斯正则化算法可以改善BPN网络的弱泛化能力。在一系列数值模拟中检验了该方法的可行性。结果表明,所提出的神经网络分析方法成功地解决了前向热传导问题,并能够以可接受的误差预测逆问题中的未知参数。

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