Author： Fang Jiannong
Publisher： Taylor & Francis Ltd
ISSN： 1521-0626
Source： Numerical Heat Transfer Part B: Fundamentals, Vol.55, Iss.1, 2009-01, pp. : 1-13
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Abstract
A truly meshless method based on the weighted least-squares (WLS) approximation and the method of point collocation is proposed to solve heat conduction problems in heterogeneous media. It is shown that, in the case of strong heterogeneity, accurate and smooth solutions for temperature and heat flux can be obtained by applying the WLS approximation in each homogeneous domain and using a double-stage WLS approximation technique together with a proper neighbor selection criterion at each interface.
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