Mixed approximation of a population diffusion equation
β Scribed by M.-Y. Kim; E.-J. Park
- Book ID
- 103931543
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 583 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0898-1221
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π SIMILAR VOLUMES
Approximate similarity solutions to the porous-medium equation, c, = V (c'Vc), are obtained in one and two dimensions. The problems considered arise in the modelling of dopant diffusion in semiconductors, the two-dimensional problems corresponding to diffusion under a mask edge.
we show that Fisher's Equation is the relaxation limit of a discrete kinetic model with two speeds, in which the collision term contains a source. The analysis can be directly applicable to obtain a numerical approximation to Fisher's Equation in terms of the relaxing system.