Inverse Identification of Circular Cavity in a 2D Object via Boundary Temperature Measurements Using Artificial Neural Network

Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering

مقاله 3، دوره 3، شماره 1، آذر 2010، صفحه 21-30   

نوع مقاله: Persian

نویسندگان

Mohammad Amin Ahmadfard¹؛ Mohammad Javad Kazemzadeh-parsi^{* 2}؛ Ali Reza Tahavvor³

¹M.Sc. Student, Islamic Azad University, Shiraz Branch

²Assistant Porfessor, Islamic Azad University, Shiraz Branch.

³Assistant Porfessor, Islamic Azad University, Shiraz Branch

چکیده

In geometric inverse problems, it is assumed that some parts of domain boundaries are not accessible and geometric shape and dimensions of these parts cannot be measured directly. The aim of inverse geometry problems is to approximate the unknown boundary shape by conducting some experimental measurements on accessible surfaces. In the present paper, the artificial neural network is used to solve these kinds of problems in conduction heat transfer in 2D objects. In order to train the neural network, some direct problems are solved by using the finite element method. In order to evaluate the applicability of the proposed method, different cases with different number of measuring points and different error levels are examined. The results show that the ANN can effectively be used in solving inverse geometry problems in heat conduction.

کلیدواژه‌ها

Shape identification؛ Inverse heat transfer؛ Neural network؛ Finite Element Method

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