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Numerical simulation of substation grounding system in low‐frequency domain based on the boundary element method with linear basis function
Author(s) -
Li ZhongXin,
Li GuangFan,
Fan JianBin
Publication year - 2010
Publication title -
international journal for numerical methods in biomedical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.741
H-Index - 63
eISSN - 2040-7947
pISSN - 2040-7939
DOI - 10.1002/cnm.1282
Subject(s) - galerkin method , basis function , basis (linear algebra) , boundary element method , ground , computer science , pentium , function (biology) , boundary (topology) , matrix (chemical analysis) , earthing system , algorithm , finite element method , computational science , mathematics , mathematical analysis , engineering , geometry , structural engineering , parallel computing , materials science , electrical engineering , evolutionary biology , composite material , biology
In order to improve the precision of electrical grounding system simulations, we have developed a new application based on the 1D Galerkin boundary element method using linear basis functions. The calculations described here can be used to simulate and analyze complex structures located anywhere within a multi‐layer earth model. We introduce a quasi‐static complex image method implemented by the matrix pencil approach, which results in a closed‐form for Green's function. The resulting application is very efficient, requiring only a few minutes on a Pentium 4 computer to simulate realistic systems. Copyright © 2009 John Wiley & Sons, Ltd.