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Explicit solution of time dependent diffusion problems in a semi-infinite medium

✍ Scribed by L. Jódar; J. Pérez; R.J. Villanueva


Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
433 KB
Volume
43
Category
Article
ISSN
0898-1221

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## A uar&?ionaJ jormuka.tkm is presented which has aa it.8 E&r-Lagrange equatim the fundamental partial differentti equ&on of diffusion. This variational ex~e&on is applicable for both timedepend& and timeindependent boundary cond&ms and for a diffusion coe$cient which is a junction of the concentra