scholarly journals Adaptive poromechanics computations based on a posteriori error estimates for fully mixed formulations of Biot’s consolidation model

2019 ◽  
Vol 347 ◽  
pp. 264-294 ◽  
Author(s):  
Elyes Ahmed ◽  
Florin Adrian Radu ◽  
Jan Martin Nordbotten
Author(s):  
Yuwen Li ◽  
Ludmil T Zikatanov

Abstract We present residual-based a posteriori error estimates of mixed finite element methods for the three-field formulation of Biot’s consolidation model. The error estimator are upper and lower bounds of the space-time discretization error up to data oscillation. As a by-product, we also obtain a new a posteriori error estimate of mixed finite element methods for the heat equation.


2020 ◽  
Author(s):  
Gustavo Alcalá Batistela ◽  
Denise De Siqueira ◽  
Phillipe R. B. Devloo

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