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KMID : 0372919870080010057
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Journal of Biomedical Engineering Research
1987 Volume.8 No. 1 p.57 ~ p.61
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A Thoracic Model using Three-dimensional Finite Element Method
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김덕원
김정열/김원기
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Abstract
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A three-dimensional thoracic model was constructed using 8-node trilinear hexahedron elements. A three-dimensional steady-state finite element code was developed using FORTRAN. Its output consists of potential at each node. current In each element, and total current In each layer in the z-direction. The thoracic model was Implemented to calculate basal impedance(Zo) In Impedance CardiograPhy Generalized Laplace’’’’s equation was solved with Dirlchlet(constant potentials) and homogeneous Neumann(no flux) boundary conditions. It was found that the con structed thoracic model was reasonable since the calculated potential differences between the adjacent electrodes and basal impedance were about the same as the measured ones.
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