Concentration-dependent diffusion in a s
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D.F. Hays; H.N. Curd
📂
Article
📅
1967
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Elsevier Science
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English
⚖ 494 KB
## 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