NDLI: Development of GEP and ANN model to predict the unsteady forced convection over a cylinder

Content Provider	Springer Nature Link
Author	Dey, Prasenjit Sarkar, Abhijit Das, Ajoy Kumar
Copyright Year	2015
Abstract	In the present study, forced convection heat transfer flow past a square cylinder with a rounded corner edge in an unsteady two-dimensional low Reynolds number laminar regime is numerically performed and predicted by the artificial neural network (ANN) and gene expression programming (GEP). In this study, Reynolds number (Re) is varied from 80 to 180 with Prandtl number (Pr) variation from 0.01 to 1000 for various corner radii (r = 0.50, 0.51, 0.54, 0.59, 0.64 and 0.71). Finite volume-based commercial software FLUENT is used in the present numerical solution for the output results that are used to train the present ANN and GEP model. The local Nusselt number (Nu local) and average Nusselt number (Nu avg) at various Reynolds numbers, Prandtl numbers and various corner radii are utilized to forecast the heat transfer characteristics. It is found that the heat transfer rate of a circular cylinder can be enhanced by 12 % when Re is varying and 14 % when the Prandtl number is varying by introducing new cylinder geometry of corner radius r = 0.51. The forced convection characteristics can be envisioned properly and very promptly by using back-propagation ANN and GEP in contrast to a regular CFD approach. It is also found that GEP is more efficient in predicting than the ANN. The outcomes obtained by the present numerical study confirm a fine accord with the available results in the literature.
Starting Page	2537
Ending Page	2549
Page Count	13
File Format	PDF
ISSN	09410643
Journal	Neural Computing and Applications
Volume Number	27
Issue Number	8
e-ISSN	14333058
Language	English
Publisher	Springer London
Publisher Date	2015-08-28
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Square cylinder Sharp and rounded corner Forced convection GEP ANN Artificial Intelligence (incl. Robotics) Data Mining and Knowledge Discovery Probability and Statistics in Computer Science Computational Science and Engineering Image Processing and Computer Vision Computational Biology/Bioinformatics
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Software

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