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VLSI Design
Volume 3 (1995), Issue 2, Pages 115-129

On the Structure and Closure-Condition of the Hydrodynamic Model

Dipartimento di Elettronica, Informatica e Sistemistica, Università di Bologna Viale Risorgimento 2, Bologna 40136, Italy

Received 3 October 1994

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Basing on a general formulation of the hydrodynamic model for semiconductor devices [1], a consistent approach to the solution of the model equations is proposed, along with a method for selezting the closure condition. The definition of the coefficients of the hydrodynamic and energy-transport models is then re-examined in order to make a comparison between them possible. Finally, the closure condition is discussed and compared with others proposed in the literature.