Title :
Novel method to control numerical solution oscillation of diffusion-drift equation
Author :
Guoxiang, C. ; Yuanming, W.
Abstract :
Using the basis of the variational principle, a method to control numerical solution wiggles of the diffusion-drift equation is proposed, which coincides with the S-G (Scharfetter-Gummel) and SUPG (streamline-upwind Petro-Galerkin) methods in special cases.
Keywords :
numerical methods; semiconductor device models; variational techniques; Scharfetter Gummel method; diffusion-drift equation; numerical solution oscillation; semiconductor device models; streamline upwind Petro-Galerkin method; variational principle;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900955