An Upstream Flux Splitting Method for Hydrodynamic Modeling of Deep Submicron Devices

The advective upstream splitting method (AUSM) developed for fluid dynamics problems has been applied to solving hydrodynamic semiconductor equations coupled with the Poisson’s equation. In the AUSM, the flux vectors of a fluid system are split into a convective component and a diffusive pressure co...

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Bibliographic Details
Published in:VLSI Design 2001-01, Vol.2001 (1-4), p.329-334
Main Authors: Liou, J J, Shen, Min, Yip, Wai-Kay, Cheng, Ming-C
Format: Article
Language:English
Online Access:Get full text
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Summary:The advective upstream splitting method (AUSM) developed for fluid dynamics problems has been applied to solving hydrodynamic semiconductor equations coupled with the Poisson’s equation. In the AUSM, the flux vectors of a fluid system are split into a convective component and a diffusive pressure component. Discretization of these two physically distinct fluxes is thus performed separately in AUSM. Application of the developed hydrodynamic AUSM to a GaAs MESFET with a gate length of 0.1 gm has demonstrated its simplicity, efficiency and effectiveness in dealing with the highly nonlinear hydrodynamic device system.
ISSN:1065-514X
DOI:10.1155/2001/26849