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http://dx.doi.org/10.3795/KSME-B.2005.29.8.903

Comparison of Regularization Techniques for an Inverse Radiation Boundary Analysis  

Kim, Ki-Wan (한국과학기술원 대학원 항공우주공학)
Shin, Byeong-Seon (오덱(주) 촉매기술팀)
Kil, Jeong-Ki (현대자동차 배기연구팀)
Yeo, Gwon-Koo (현대자동차 배기연구팀)
Baek, Seung-Wook (한국과학기술원 항공우주공학)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.8, 2005 , pp. 903-910 More about this Journal
Abstract
Inverse radiation problems are solved for estimating the boundary conditions such as temperature distribution and wall emissivity in axisymmetric absorbing, emitting and scattering medium, given the measured incident radiative heat fluxes. Various regularization methods, such as hybrid genetic algorithm, conjugate-gradient method and finite-difference Newton method, were adopted to solve the inverse problem, while discussing their features in terms of estimation accuracy and computational efficiency. Additionally, we propose a new combined approach that adopts the hybrid genetic algorithm as an initial value selector and uses the finite-difference Newton method as an optimization procedure.
Keywords
Inverse Radiation; Conjugate-Gradient Method; Hybrid Genetic Algorithm; Finite-Difference Newton-Method; Parameter Estimation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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