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Upwind finite volume element methods for one-dimensional semiconductor device

Author:
Chen, Chuanjun  Liu, Wei  Lu, Daigang  


Journal:
JOURNAL OF SYSTEMS SCIENCE & COMPLEXITY


Issue Date:
2011


Abstract(summary):

A fully discrete implicit Euler upwind finite volume element method is derived and studied for one-dimensional semiconductor device. Upwind scheme is introduced to deal with the convection-dominated diffusion equations in the semiconductor model. With different time steps for the electrostatic potential and the other unknown quantities, the computational procedure of the method is obtained. The local mass conservation laws are preserved under the framework of the upwind finite volume element schemes. A first-order accuracy in the L (2)-norm is proved. Numerical experiments are given to validate the usefulness and efficiency of the method.


Page:
1007---1019


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