Approximation of a nonlinear elliptic problem arising in a non-Newtonian fluid flow model in glaciology
Roland Glowinski, Jacques Rappaz (2010)
ESAIM: Mathematical Modelling and Numerical Analysis
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The main goal of this article is to establish and error estimates for the numerical approximation of some non linear elliptic problems arising in glaciology. The stationary motion of a glacier is given by a non-Newtonian fluid flow model which becomes, in a first two-dimensional approximation, the so-called infinite parallel sided slab model. The approximation of this model is made by a finite element method with piecewise polynomial functions of degree 1. Numerical results show that the...