Effects of External Currents and Soil Heterogeneities on an Approximate Boundary Condition for the 3-D Finite Element Analysis of Subsurface Conductive Coupling Problems

An approximate boundary condition was proposed for the 3-D finite element analysis of subsurface conductive couplings. This approach is now tested to show that it may be applied with advantages in problems characterized by the injection of currents in soil regions left outside the computational doma...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2015-03, Vol.51 (3), p.1-4
Main Authors: Blattner Martinho, Lucas, Silva, Viviane Cristine
Format: Article
Language:English
Subjects:
Approximation
Boundary conditions
Conductivity
Couplings
Electric potential
Finite element analysis
Finite element method
Grounding
Heterogeneity
Joining
Magnetism
Mathematical analysis
Power transmission lines
Soil
Soil (material)
Three dimensional
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Summary:An approximate boundary condition was proposed for the 3-D finite element analysis of subsurface conductive couplings. This approach is now tested to show that it may be applied with advantages in problems characterized by the injection of currents in soil regions left outside the computational domain. The effects of soil heterogeneities on the numerical scheme are also investigated.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2014.2347354