Estimation of Thermal Boundary Conditions by Using Hybrid Inverse Approach

Abstract:

The estimation of thermal boundary conditions occurring during heat treatment processes is an essential requirement for characterization of heat transfer phenomena. In this work, the performance of five optimization techniques is studied. These models are the Conjugate Gradient Method, the Levenberg-Marquardt Method, the Simplex method, the NSGA II algorithm and a hybrid approach based on the NSGA II and Levenberg-Marquardt Method sequence. The models are used to estimate the heat transfer coefficient in 2D axis symmetrical case during transient heat transfer. The performance of the optimization methods is demonstrated using numerical experiments.

• Periodical: Materials Science Forum (Volume 812)
• Pages: 419-424
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.812.419
• Online since: February 2015
• Authors: Imre Felde*
• Keywords: Heat Transfer Coefficient, Hybrid Approach, IHCP, Optimization

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