Abstract
The computational time and memory of three-dimensional (3-D) capacitance extraction have been greatly reduced by using a quasimultiple medium (QMM) technology, because it enlarges the matrix sparsity produced by the direct boundary element method (BEM). An approach to automatically determining the QMM cutting pair number and a preconditioning technique are proposed to enhance the QMM-based capacitance extraction. With these two enhancements, the capacitance extraction can achieve much higher speed and adaptability. Experimental results show over 10X speed-up and memory saving over the multipole approach with comparable accuracy.
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