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Keywords: conjugate gradient methods
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Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081602.
Published Online: May 3, 2011
.... Some numerical tests are presented to discuss the validity of the present approach by using different initial guesses of heat flux distribution, the number of measuring points, and measurement errors. In comparison with the conjugate gradient method, it is concluded that the method based on fuzzy...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2010, 132(12): 121301.
Published Online: September 17, 2010
.... Moreover, the effect of correlated unknown variables on convergence performance is examined. The present methodology is a combination of two different classical methods: The conjugate gradient method with adjoint problem (CGMAP) and Box–Kanemasu method (BKM). The methodology uses the benefit of CGMAP...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2010, 132(10): 101302.
Published Online: August 18, 2010
...-film thickness was represented by 100 design variables, and the electrical potential at each electrode were also design variables. The topology optimization problem (inverse problem) has been solved with two methods, i.e., with a genetic algorithm (GA) and with a conjugate gradient method using adjoint...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2010, 132(8): 081301.
Published Online: May 20, 2010
.... In order to evaluate the performance characteristics of the present inverse scheme, simulations are conducted to analyze the effects of this technique with regard to the conjugate gradient method with an adjoint problem and variable metric method with an adjoint problem. The results obtained show...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2009, 131(12): 121007.
Published Online: October 15, 2009
... 2008 15 10 2009 bubbles computational fluid dynamics conjugate gradient methods cooling drops finite difference methods flow simulation liquid films spraying surface tension two-phase flow viscosity spray cooling multiphase flow modeling heat transfer parallel computing...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2009, 131(2): 021701.
Published Online: December 12, 2008
...Peng Ding; Wen-Quan Tao An inverse forced convection problem was studied in this paper. The unknown space-dependent heat flux at the outer boundary of a circular pipe was identified from the temperature measurements within the flow using the algorithm based on an improved conjugate gradient method...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2008, 130(12): 121702.
Published Online: September 24, 2008
...David T. W. Lin; Hung Yi Li; Wei Mon Yan An inverse solution scheme based on the conjugate gradient method with the minimization of the object function is presented for estimating the unknown wall heat flux of conjugated forced convection flows between two corotating disks from temperature...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. October 2007, 129(10): 1309–1320.
Published Online: February 9, 2007
...Tahar Loulou This is a numerical and experimental study on the combined parameter and function estimation. The determination of thermal conductivity and the surface heat flux is an illustration of combined estimation of one parameter and one function by means of the conjugate gradient method...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2006, 128(3): 269–282.
Published Online: August 3, 2005
... be quite challenging, in that each heater requires different continually varying energy inputs. 09 03 2005 03 08 2005 inverse problems heat radiation singular value decomposition conjugate gradient methods minimisation simulated annealing Monte Carlo methods...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2005, 127(8): 918–930.
Published Online: March 15, 2005
...Chin-Hsiang Cheng; Mei-Hsia Chang The aim of this study is to present a novel inverse heat transfer method, which incorporates an automatic-filter scheme with the conjugate gradient method, for identifying shapes and temperatures of heating elements embedded in a rectangular package. In this report...