| c(x,0) = f(x) | initial concentration profile of solvent in gel |
| c(o,t) = C | solvent concentration at solvent-gel interface |
| c(L,t) = 0 | solvent concentration at gel-substrate interface |
| c(x,0) = f(x) | initial concentration profile of solvent in gel |
| c(o,t) = C | solvent concentration at solvent-gel interface |
| c(L,t) = 0 | solvent concentration at gel-substrate interface |