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Coupling of Point Collocation Meshfree Method and FEM for EEG Forward Solver

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Authors
Lee, Chany; Choi, Jong-Ho; Jung, Ki-Young; Jung, Hyun-Kyo
Issue Date
2012-01
Publisher
Hindawi Publishing Corporation
Citation
Journal of Applied Mathematics, Vol.2012, Article ID 840593
Keywords
공학
Abstract
For solving electroencephalographic forward problem, coupled method of finite element method (FEM) and fast moving least square reproducing kernel method (FMLSRKM) which is a kind of meshfree method is proposed. Current source modeling for FEM is complicated, so source region is analyzed usingmeshfreemethod. First order of shape function is used for FEM and second order for FMLSRKM because FMLSRKM adopts point collocation scheme. Suggested method is tested using simple equation using 1-, 2-, and 3-dimensional models, and error tendency according to node distance is studied. In addition, electroencephalographic forward problem is solved using spherical head model. Proposed hybrid method can produce well-approximated solution.
ISSN
1110-757X
Language
English
URI
http://hdl.handle.net/10371/91817
DOI
https://doi.org/10.1155/2012/840593
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Neurology (신경과학교실)Journal Papers (저널논문_신경과학교실)
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