Application of feedforward neural network in the study of dissociated gas flow along the porous wall

Authors:
Vesna Ranković;Slobodan Savić
Affiliations:
Department for Applied Mechanics and Automatic Control, Faculty of Mechanical Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Serbia;Department for Applied Mechanics and Automatic Control, Faculty of Mechanical Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Serbia
Venue:
Expert Systems with Applications: An International Journal
Year:
2011

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Abstract

This paper concerns the use of feedforward neural networks (FNN) for predicting the nondimensional velocity of the gas that flows along a porous wall. The numerical solution of partial differential equations that govern the fluid flow is applied for training and testing the FNN. The equations were solved using finite differences method by writing a FORTRAN code. The Levenberg-Marquardt algorithm is used to train the neural network. The optimal FNN architecture was determined. The FNN predicted values are in accordance with the values obtained by the finite difference method (FDM). The performance of the neural network model was assessed through the correlation coefficient (r), mean absolute error (MAE) and mean square error (MSE). The respective values of r, MAE and MSE for the testing data are 0.9999, 0.0025 and 1.9998.10^-^5.