The Application Of A Multi-domain
Boundary Face Method In A Steady State Heat
Conduction Problem
Author(s)
Jianming Zhang, Xianghe Li & Yuan Li
Abstract
This paper presents a multi-domain boundary face method (MD-BFM) for
solving steady-state heat conduction problems on large-scale engineering
structures. In the BFM, both boundary integration and variable approximation
are performed in the 2-D parametric space of the boundary surfaces of the body
in question. The surface parameters are obtained through the boundary
representation data structure (B-rep) implanted in all CAD packages. The
geometric quantities in the boundary integrals of the BIE are computed directly
in the parametric spaces of the surfaces to avoid geometric errors. On the other
hand, a MDBFM is necessary for structures of complex shapes or constituted of
different kinds of materials. In this work, the multi-domain BFM is developed
and applied for heat conduction analysis of a real gravity dam. Numerical results
have demonstrated that our method can achieve comparable accuracy than other
methods (e.g. the FEM), but at much lower costs in terms of both computer
resources and human labor.
Keywords: boundary face method, steady state heat conduction, multi-domain
problem, large scale problem.
Keywords
boundary face method, steady state heat conduction, multi-domain
problem, large scale problem
Related Book
Other papers in this volume
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