Parameter-robust discretization and preconditioning of Biot's consolidation model

JJ Lee, KA Mardal, R Winther - SIAM Journal on Scientific Computing, 2017 - SIAM
Biot's consolidation model in poroelasticity has a number of applications in science,
medicine, and engineering. The model depends on various parameters, and in practical …

Parameter-robust stability of classical three-field formulation of Biot's consolidation model

Q Hong, J Kraus - arXiv preprint arXiv:1706.00724, 2017 - arxiv.org
This paper is devoted to the stability analysis of a classical three-field formulation of Biot's
consolidation model where the unknown variables are the displacements, fluid flux (Darcy …

Conservative discretizations and parameter‐robust preconditioners for Biot and multiple‐network flux‐based poroelasticity models

Q Hong, J Kraus, M Lymbery… - Numerical Linear Algebra …, 2019 - Wiley Online Library
The parameters in the governing system of partial differential equations of multiple‐network
poroelasticity models typically vary over several orders of magnitude, making its stable …

Conservative discontinuous finite volume and mixed schemes for a new four-field formulation in poroelasticity

S Kumar, R Oyarzúa, R Ruiz-Baier… - … and Numerical Analysis, 2020 - esaim-m2an.org
We introduce a numerical method for the approximation of linear poroelasticity equations,
representing the interaction between the non-viscous filtration flow of a fluid and the linear …

Parameter-robust methods for the Biot–Stokes interfacial coupling without Lagrange multipliers

WM Boon, M Hornkjøl, M Kuchta, KA Mardal… - Journal of …, 2022 - Elsevier
In this paper we advance the analysis of discretizations for a fluid-structure interaction model
of the monolithic coupling between the free flow of a viscous Newtonian fluid and a …

Weakly imposed symmetry and robust preconditioners for Biot's consolidation model

T Bærland, JJ Lee, KA Mardal… - Computational Methods in …, 2017 - degruyter.com
We discuss the construction of robust preconditioners for finite element approximations of
Biot's consolidation model in poroelasticity. More precisely, we study finite element methods …

A numerical investigation of intrathecal isobaric drug dispersion within the cervical subarachnoid space

PT Haga, G Pizzichelli, M Mortensen, M Kuchta… - PLoS …, 2017 - journals.plos.org
Intrathecal drug and gene vector delivery is a procedure to release a solute within the
cerebrospinal fluid. This procedure is currently used in clinical practice and shows promise …

Robust approximation of generalized Biot-Brinkman problems

Q Hong, J Kraus, M Kuchta, M Lymbery… - Journal of Scientific …, 2022 - Springer
Abstract The generalized Biot-Brinkman equations describe the displacement, pressures
and fluxes in an elastic medium permeated by multiple viscous fluid networks and can be …

[HTML][HTML] Stability analysis for a new model of multi-species convection-diffusion-reaction in poroelastic tissue

LMDO Vilaca, B Gomez-Vargas, S Kumar… - Applied Mathematical …, 2020 - Elsevier
We perform the linear stability analysis of a new model for poromechanical processes with
inertia (formulated in mixed form using the solid deformation, fluid pressure, and total …

Parameter robust preconditioning by congruence for multiple-network poroelasticity

E Piersanti, JJ Lee, T Thompson, KA Mardal… - SIAM Journal on …, 2021 - SIAM
The mechanical behavior of a poroelastic medium permeated by multiple interacting fluid
networks can be described by a system of time-dependent partial differential equations …