J Austral Math Soc Ser B 35 pp87--102, 1993.
(Received 22 July 1990; revised 17 July 1992)
A finite element Galerkin method for a diffusion equation with constrained energy and nonlinear boundary condition is analysed and optimal error estimate in L2 and L¥-norms are derived. These results improve upon previously derived estimates by Cannon et al. [4].
Last Modified: Tue Aug 15 15:43:52 2000