期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：189
期号：4
页码：042018
DOI：10.1088/1755-1315/189/4/042018
语种：English
出版社：IOP Publishing
摘要：Due to the use of bi-cover systems, the numerical manifold method (NMM) is able to solve physical problems with non-conforming mathematical covers. In this work, the NMM is further extended to study steady-state moisture diffusion in 2D functionally graded materials (FGMs). Based on the governing equations, the NMM approximation and the weighted residual method, the NMM discrete equations are derived and the present method is verified through a typical example. Besides, the effect of the graded parameter of the FGMs on the moisture concentration is also investigated.
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