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 …

“Touch‐aware” contact model for peridynamics modeling of granular systems

S Mohajerani, G Wang - International Journal for Numerical …, 2022 - Wiley Online Library
This article presents an innovative “touch‐aware” frictional contact model for peridynamics to
efficiently simulate the contact behavior between irregularly shaped particles. Conventional …

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 Nitsche-based formulation for fluid-structure interactions with contact

E Burman, MA Fernández, S Frei - ESAIM: Mathematical Modelling …, 2020 - esaim-m2an.org
We derive a Nitsche-based formulation for fluid-structure interaction (FSI) problems with
contact. The approach is based on the work of Chouly and Hild (SIAM J. Numer. Anal. 51 …

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 …

A mechanically consistent model for fluid–structure interactions with contact including seepage

E Burman, MA Fernández, S Frei, FM Gerosa - Computer Methods in …, 2022 - Elsevier
We present a new approach for the mechanically consistent modelling and simulation of
fluid–structure interactions (FSI) with contact. The fundamental idea consists of combining a …

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 …

HHT- and TR-BDF2 schemes for dynamic contact problems

H Huang, N Pignet, G Drouet, F Chouly - Computational Mechanics, 2024 - Springer
This work focuses on the numerical performance of HHT-α and TR-BDF2 schemes for
dynamic frictionless unilateral contact problems between an elastic body and a rigid …

Shape optimization of a linearly elastic rolling structure under unilateral contact using Nitsche's method and cut finite elements

E Bretin, J Chapelat, PY Outtier, Y Renard - Computational Mechanics, 2022 - Springer
The main motivation of this work is to develop a numerical strategy for the shape
optimization of a rolling elastic structure under contact with respect to a uniform rolling …

Nitsche-based material point method for large deformation frictional contact problems

K Zhang, SL Shen, H Wu, A Zhou - Computational Particle Mechanics, 2024 - Springer
Large deformation problems in practical engineering are often accompanied by contact
phenomena. While the conventional material point method (MPM) is efficient at solving large …