NUMANA: A hybrid numerical and analytical thermal simulator for 3-D ICs

Abstract

By combining analytical and numerical simulation techniques, this work develops a hybrid thermal simulator, NUMANA, which can effectively deal with complicated material structures, to estimate the temperature profile of a 3-D IC. Compared with a commercial tool, ANSYS, its maximum relative error is only 1.84%. Compared with a well known linear system solver, SuperLU [1], it can achieve orders of magnitude speedup.