Three-dimensional inverse transient heat transfer analysis of thick functionally graded plates

被引：35

作者：

Haghighi, M. R. Golbahar ^{[1
]}

Eghtesad, M. ^{[2
]}

Malekzadeh, P. ^{[1
]}

Necsulescu, D. S. ^{[3
]}

机构：

[1] Persian Gulf Univ, Sch Engn, Dept Mech Engn, Bushehr 75168, Iran

[2] Shiraz Univ, Sch Engn, Dept Mech Engn, Shiraz 7134851154, Iran

[3] Univ Ottawa, Fac Engn, Dept Mech Engn, Ottawa, ON K1N 6N5, Canada

来源：

ENERGY CONVERSION AND MANAGEMENT | 2009年 / 50卷 / 03期

关键词：

Inverse heat conduction; Functionally graded materials; Finite element; Differential quadrature; CONJUGATE-GRADIENT METHOD; CONDUCTION;

D O I：

10.1016/j.enconman.2008.11.006

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, a three-dimensional transient inverse heat conduction (IHC) procedure is presented to estimate the unknown boundary heat flux of thick functionally graded (FG) plates. For this purpose, the conjugate gradient method (CGM) in conjunction with adjoint problem is used. A recently developed three-dimensional efficient hybrid method is employed to solve variable-coefficient initial-boundary-value differential equations of direct problem as a part of the inverse solution. The accuracy of the inverse analysis is examined by simulating the exact and noisy data for problems with different types of boundary conditions and material properties. In addition to rectangular domain, skew plates are considered. The results obtained show good accuracy for the estimation of boundary heat fluxes. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：450 / 457

页数：8

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