The augmented Lagrangian method as a framework for stabilised methods in computational mechanics

E Burman, P Hansbo, MG Larson - Archives of Computational Methods in …, 2023 - Springer
In this paper we will present a review of recent advances in the application of the augmented
Lagrange multiplier method as a general approach for generating multiplier-free stabilised …

A review on some discrete variational techniques for the approximation of essential boundary conditions

F Chouly - Vietnam Journal of Mathematics, 2024 - Springer
We review different techniques to enforce essential boundary conditions, such as the
(nonhomogeneous) Dirichlet boundary condition, within a discrete variational framework …

Mixed and Nitsche's discretizations of Coulomb frictional contact-mechanics for mixed dimensional poromechanical models

L Beaude, F Chouly, M Laaziri, R Masson - Computer Methods in Applied …, 2023 - Elsevier
This work deals with the discretization of single-phase Darcy flows in fractured and
deformable porous media, including frictional contact at the matrix–fracture interfaces …

Skew-symmetric Nitsche's formulation in isogeometric analysis: Dirichlet and symmetry conditions, patch coupling and frictionless contact

Q Hu, F Chouly, P Hu, G Cheng, SPA Bordas - Computer Methods in …, 2018 - Elsevier
A simple skew-symmetric Nitsche's formulation is introduced into the framework of
isogeometric analysis (IGA) to deal with various problems in small strain elasticity: essential …

A mechanically consistent unified formulation for fluid-porous-structure-contact interaction

FM Gerosa, AL Marsden - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Fluid–structure interaction with contact poses profound mathematical and numerical
challenges, particularly when considering realistic contact scenarios and the influence of …

Residual a posteriori error estimation for frictional contact with Nitsche method

R Araya, F Chouly - Journal of Scientific Computing, 2023 - Springer
We consider frictional contact problems in small strain elasticity discretized with finite
elements and Nitsche method. Both bilateral and unilateral contact problems are taken into …

Residual-based error estimation and adaptivity for stabilized immersed isogeometric analysis using truncated hierarchical B-splines

SC Divi, PH Van Zuijlen, T Hoang… - Journal of …, 2022 - academic.oup.com
We propose an adaptive mesh refinement strategy for immersed isogeometric analysis, with
application to steady heat conduction and viscous flow problems. The proposed strategy is …

Hybrid high-order discretizations combined with Nitsche's method for Dirichlet and Signorini boundary conditions

KL Cascavita, F Chouly, A Ern - IMA Journal of Numerical …, 2020 - academic.oup.com
We present two primal methods to weakly discretize (linear) Dirichlet and (nonlinear)
Signorini boundary conditions in elliptic model problems. Both methods support polyhedral …

Nitsche method for contact with Coulomb friction: existence results for the static and dynamic finite element formulations

F Chouly, P Hild, V Lleras, Y Renard - Journal of Computational and …, 2022 - Elsevier
We study the Nitsche-based finite element method for contact with Coulomb friction
considering both static and dynamic situations. We provide existence and/or uniqueness …

Space–time adaptive finite elements for nonlocal parabolic variational inequalities

H Gimperlein, J Stocek - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
This article considers the error analysis of finite element discretizations and adaptive mesh
refinement procedures for nonlocal dynamic contact and friction, both in the domain and on …