Numerical analysis of the quasistatic thermoviscoelastic thermistor problem

Fernández, José R.

ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 40 (2006), p. 353-366 / Harvested from Numdam

Résumé

In this work, the quasistatic thermoviscoelastic thermistor problem is considered. The thermistor model describes the combination of the effects due to the heat, electrical current conduction and Joule's heat generation. The variational formulation leads to a coupled system of nonlinear variational equations for which the existence of a weak solution is recalled. Then, a fully discrete algorithm is introduced based on the finite element method to approximate the spatial variable and an Euler scheme to discretize the time derivatives. Error estimates are derived and, under suitable regularity assumptions, the linear convergence of the scheme is deduced. Finally, some numerical simulations are performed in order to show the behaviour of the algorithm.

Détail

Publié le : 2006-01-01

MR 2241827 | Zbl 1108.74013

DOI : https://doi.org/10.1051/m2an:2006016
Classification:  65N15,  65N30,  74D10,  74S05,  74S20

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