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A Multilevel FFT Method for the 3-D Capacitance Extraction | IEEE Journals & Magazine | IEEE Xplore

A Multilevel FFT Method for the 3-D Capacitance Extraction


Abstract:

We present a new multilevel fast Fourier transform (MLFFT) method and its application for the 3-D structures capacitance extraction. The multilevel octree structure, mult...Show More

Abstract:

We present a new multilevel fast Fourier transform (MLFFT) method and its application for the 3-D structures capacitance extraction. The multilevel octree structure, multilevel interpolation/projection, and subdomain FFTs techniques are employed in the MLFFT. Distinctions between the MLFFT and the conventional FFT-based methods are discussed carefully. Numerical results demonstrate that the MLFFT is more efficient than conventional FFT based methods, especially when analyzing inhomogeneous problems.
Page(s): 318 - 322
Date of Publication: 21 January 2013

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