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Two-dimensional non-stationary numerical model for MSM structures

✍ Scribed by Desanka Radunović; Jovan Radunović

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
189 KB
Volume
12
Category
Article
ISSN
0894-3370

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✦ Synopsis

In this paper the solution of the non-stationary model for MSM structures is obtained numerically. The two-dimensional model consists of three singularly perturbed non-linear partial di!erential equations. The alternating-direction method for discretization in time and the non-oscillatory streamline upwind method on a piecewise uniform grid for discretization in space are used to eliminate the interior and boundary layer oscillations. The described model is used for the analysis of the time response of a GaAs n-type MSM structure to a Heaviside function form of the applied voltage. For the stationary case the I}< characteristic of the structure is determined. The numerical results con"rm that the applied method is convenient for solving convection}di!usion problems.

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