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X10 Semi-infinite body,
0 < *x* < , with *G* = 0
(Dirichlet) at *x* = 0.

X20 Semi-infinite body,
0 < *x* < , with
*G*/*x* = 0 at x=0.

X30 Semi-infinite body,
0 < *x* < , with
- *k**G*/*x* + *hG* = 0 (convection) at *x* = 0. Note that *B* = *h*/(*km*).

*Kevin D. Cole*

*2002-12-31*