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When the multilevel fast multipole algorithm (MLFMA) is adopted to accelerate the solution of matrix equation generating by the volume-surface integral equation (VSIE), different submatrix-selecting schemes of near-field matrix preparing for constructing sparse approximate inverse (SAI) preconditioner are discussed. Numerical result indicates that for VSIE, a SAI preconditioner with high quality can...
The application of the continuity condition of the electric flux field at the conductor-dielectric boundaries is discussed. For the conductor-dielectric composite structures involving closed conducting surfaces, a new form of volume-surface integral equation, combined field integral equation-volume integral equation enforced the continuity condition is proposed. The matrix equation generated by the...
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