A type III porous-thermo-elastic problem with quasi-static microvoids
UNIVERSAL IDENTIFIER: http://hdl.handle.net/11093/2313
EDITED VERSION: https://link.springer.com/10.1007/s11012-021-01398-0
DOCUMENT TYPE: article
In this work we study, from the numerical point of view, a one-dimensional thermoelastic problem where the thermal law is of type III. Quasi-static microvoids are also assumed within the model. The variational formulation leads to a coupled linear system made of variational equations and it is written in terms of the velocity, the volume fraction and the temperature. Fully discrete approximations are introduced by using the finite element method and the backward Euler method. A discrete stability property and a priori error estimates are proved, deriving the linear convergence under adequate additional regularity. Finally, some numerical simulations are presented to demonstrate the accuracy of the approximation and the behavior of the solution.
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