Parallel preconditioned hierarchical harmonic balance for analog and RF circuit simulation
Advances in Analog Circuits(2011)
摘要
Circuit simulation is a fundamental enabler for the design of integrated circuits. As the design complexity increases, there has been a long lasting interest in speeding up transient circuit simulation using paralellization (Dong et al., 2008; Dong & Li, 2009b; c; Reichelt et al., 1993; Wever et al., 1996; Ye et al., 2008).On the other hand, Harmonic Balance (HB), as a general frequency-domain simulation method, has been developed to directly compute the steady-state solutions of nonlinear circuits with a periodic or quasi-periodic response (Kundert et al., 1990). While being algorithmically efficient, densely coupling nonlinear equations in the HB problem formulation still leads to computational challenges. As such, developing parallel harmonic balance approaches is very meaningful.
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