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发表时间：2005-01-01

发表刊物：计算力学学报

期号：1

页面范围：51-54

ISSN号：1007-4708

摘要：The conjugate gradient method is employed to solve nonlinear inverse heat conduction problems with multivariables in the steady state. The eight-point finite element is used for the discretization in the space system. The finite element model is given, facilitating to sensitivity analysis for nonlinear direct and inverse problems. Several numerical examples are introduced to successfully verify the results. The preliminary investigation of effect of noise data and the number of sample points on the results are given. Results show that the proposed method can identify single and combined nonlinear thermal parameters and boundary conditions for nonlinear inverse conduction problems in the steady state with high precision.

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