An intelligent computing technique for fluid flow problems using hybrid adaptive neural network and genetic algorithm

Authors:
Nameer N. El-Emam;Riadh H. Al-Rabeh
Affiliations:
Computer Science Department, Philadelphia University, Jordan;Institute for Manufacturing, Department of Engineering, Cambridge University, UK
Venue:
Applied Soft Computing
Year:
2011

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Abstract

A new hybrid adaptive neural network (ANN) with modified adaptive smoothing errors (MASE) based on genetic algorithm (GA) employing modified adaptive relaxation (MAR) are presented in this paper to construct learning system for complex problem solving in fluid dynamics. This system can predict an incompressible viscous fluid flow represents by stream function (@j) through symmetrical backward-facing steps channels. The proposed learning system is constructed as an intelligent computing technique by enforcing three stages run simultaneously; the first stage concerns to construct finite-element method (FEM) employing a new approach named modified adaptive incremental loading (MAIL) to build-up in run-time a dataset driven that contains an effective patterns represented by @j for specific Reynolds number (Re), these patterns are associated to three kinds of clusters. The second stage is pertained a new hybrid neural network with new modification of adaptive smoothing errors and the third stage illustrated to modifying the numerical values of neural network connection weights through certain training algorithm with new optimization approach. The present simulation results of the proposed learning system are in good agreement with the available previous works and it is fast enough and stable.