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In this paper, a novel variable selection method for neural network that can be applied to describe nonlinear industrial processes is developed. The proposed method is an iterative two-step approach. First, a multilayer perceptron is constructed. Second, the least absolute shrinkage and selection operator is introduced to select the input variables that are truly essential to the model with the shrinkage...
This study provided a method to simulate flow field of an irregular arrangement of random packing in an absorber using commercial software, Fluent®. Volume of fluid model was employed in this study to deal with gas and liquid phases contacting issue. Volume of fluid model has validated that it is able to simulate gas and liquid interface. 10 flow fields of small-scale absorbers in which several raschig...
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