On the optimization of the fixed‐stress splitting for Biot's equations

E Storvik, JW Both, K Kumar… - International Journal …, 2019 - Wiley Online Library
In this work, we are interested in efficiently solving the quasi‐static, linear Biot model for
poroelasticity. We consider the fixed‐stress splitting scheme, which is a popular method for …

Robust iterative schemes for non-linear poromechanics

M Borregales, FA Radu, K Kumar… - Computational …, 2018 - Springer
We consider a non-linear extension of Biot's model for poromechanics, wherein both the
fluid flow and mechanical deformation are allowed to be non-linear. Specifically, we study …

Parameter-robust convergence analysis of fixed-stress split iterative method for multiple-permeability poroelasticity systems

Q Hong, J Kraus, M Lymbery, MF Wheeler - Multiscale modeling & simulation, 2020 - SIAM
We consider flux-based multiple-porosity/multiple-permeability poroelasticity systems
describing mulitple-network flow and deformation in a poroelastic medium, also referred to …

Iterative solvers for Biot model under small and large deformations

MAB Reverón, K Kumar, JM Nordbotten… - Computational …, 2021 - diva-portal.org
We consider L-scheme and Newton-based solvers for Biot model under large deformation.
The mechanical deformation follows the Saint Venant-Kirchoff constitutive law. Furthermore …

Iterative solvers for Biot model under small and large deformations

MA Borregales Reverón, K Kumar… - Computational …, 2021 - Springer
We consider L-scheme and Newton-based solvers for Biot model under large deformation.
The mechanical deformation follows the Saint Venant-Kirchoff constitutive law. Furthermore …

A finite-volume-based module for unsaturated poroelasticity

J Varela, SE Gasda, E Keilegavlen… - Advanced Modeling with …, 2021 - bora.uib.no
In this chapter, we present fv-unsat, a multipoint finite-volume–based solver for unsaturated
flow in deformable and nondeformable porous media. The latter is described using the …

[PDF][PDF] L-scheme and Newton based solvers for a nonlinear Biot model

FA Radu, M Borregales, K Kumar… - ECCOMAS …, 2018 - congress.cimne.com
In this work we propose convergent iterative solvers based on the L-scheme and Newton's
method for a nonlinear Biot model. More precisely, in the mechanics equation one Lamé …

On the optimization of iterative schemes for solving non-linear and/or coupled PDEs

E Storvik - 2018 - bora.uib.no
In this thesis we study the optimization of iterative schemes as both linearization methods,
and as splitting methods for solving non-linear and coupled partial differential equations …

[PDF][PDF] Mathematical complexities in porous media flow

K Mitra - 2019 - research.tue.nl
Multiphase flow through porous media plays an important role in many practical
applications, from groundwater modelling, oil and gas recovery to CO2 sequestration. In the …

Iterative quasi-newton solvers for poromechanics applied to heart perfusion

N Barnafi, J Both - Proceedings of the YIC 2021-VI ECCOMAS Young …, 2022 - riunet.upv.es
[EN] In this work, the efficient approximation of a nonlinear cardiac poromechanics model is
investigated. Quasi-Newton solvers based on iterative two-way and three-way decoupling …