A Surrogate Model Based on Artificial Neural Networks for Wave Propagation in Uncertain Media
A Surrogate Model Based on Artificial Neural Networks for Wave Propagation in Uncertain Media
复制标题
不确定介质中波传播的基于人工神经网络的替代模型
DOI：
10.1109/access.2020.3042000
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发表时间：
2020
期刊：
影响因子：
3.9
通讯作者：
Wei Shao
中科院分区：
文献类型：
--
作者：
Xi Cheng;Zhi-Yong Zhang;Wei Shao
Soil materials can exhibit strongly dispersive properties in the operating frequency range of a physical system, and the uncertain parameters of the dispersive materials introduce uncertainties in the simulation result of propagating waves. It is essential to quantify the uncertainty in the simulation result when the acceptability of these calculation results is considered. To avoid performing thousands of full-wave simulations, an efficient surrogate model based on artificial neural networks (ANNs) is proposed in this paper, to imitate the concerned ground penetrating radar (GPR) calculation. With the autoencoder neural network to reduce the dimensionality of data, the surrogate model successfully predicts the outputs of the GPR calculation using a small number of training samples. The finite-difference time-domain method with the uniaxial perfectly matched layer is used to collect sampling data for the surrogate model. The process of constructing the surrogate model is presented in detail in this paper. The proposed surrogate model is demonstrated to be an attractive alternative to the full-wave GPR calculation due to its considerable advantage in terms of computational expense and speed.
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DOI：
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DOI：
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发表时间：
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影响因子：
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DOI：
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