Publication Cover
Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 38, 2000 - Issue 7
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Original Articles

A LOW-DIMENSIONAL APPROACH FOR LINEAR AND NONLINEAR HEAT CONDUCTION IN PERIODIC DOMAINS

Pages 719-738 | Published online: 29 Oct 2010
 

Abstract

A low-order spectral method is used to solve steady-state linear and nonlinear heat conduction problems with periodic boundary conditions and periodic geometry. The study consists of first mapping the complex geometry into a rectangular domain. The Galerkin projection method is applied to solve the mapped equations. It is found that a low number of modes usually are sufficient to capture an accurate solution. Good agreement is obtained between the low-order description and existing formulations. Both the finite element method (FEM) and boundary element methods (BEM) are used for comparison.

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