| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
A voxel-based static method of moments (MoM) is proposed and validated to analyze electrostatic fields in large-scale voxel models with inhomogeneous anisotropic conductivities. This MoM can be concurrently applied with the voxel-based indirect boundary element method, and both methods can be accelerated by the fast multipole method and fast Fourier transform in the same manner. We calculated the magnetically induced electric field in a human head model constructed using magnetic resonance imaging and diffusion tensor imaging data. The calculated electric currents exhibit qualitatively reasonable distributions. The proposed method could solve 188,296,465 unknowns of the head model within 83 minutes using a personal computer.
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