Non-overlapping domain decomposition methods in structural mechanics

P Gosselet, C Rey - Archives of computational methods in engineering, 2006 - Springer
The modern design of industrial structures leads to very complex simulations characterized
by nonlinearities, high heterogeneities, tortuous geometries... Whatever the modelization …

Bridging proper orthogonal decomposition methods and augmented Newton–Krylov algorithms: an adaptive model order reduction for highly nonlinear mechanical …

P Kerfriden, P Gosselet, S Adhikari… - Computer methods in …, 2011 - Elsevier
This article describes a bridge between POD-based model order reduction techniques and
the classical Newton/Krylov solvers. This bridge is used to derive an efficient algorithm to …

Local/global model order reduction strategy for the simulation of quasi‐brittle fracture

P Kerfriden, JC Passieux… - International Journal for …, 2012 - Wiley Online Library
This paper proposes a novel technique to reduce the computational burden associated with
the simulation of localized failure. The proposed methodology affords the simulation of …

Robust FETI-DP methods for heterogeneous three dimensional elasticity problems

A Klawonn, O Rheinbach - Computer Methods in Applied Mechanics and …, 2007 - Elsevier
Iterative substructuring methods with Lagrange multipliers are considered for
heterogeneous linear elasticity problems with large discontinuities in the material …

Inexact FETI‐DP methods

A Klawonn, O Rheinbach - International journal for numerical …, 2007 - Wiley Online Library
Inexact FETI‐DP domain decomposition methods are considered. Preconditioners based on
formulations of FETI‐DP as a saddle point problem are used which allow for an inexact …

Deflation, projector preconditioning, and balancing in iterative substructuring methods: connections and new results

A Klawonn, O Rheinbach - SIAM Journal on Scientific Computing, 2012 - SIAM
In this paper, projector preconditioning, also known as the deflation method, as well as the
balancing preconditioner are applied to the dual-primal finite element tearing and …

Efficient surrogate construction by combining response surface methodology and reduced order modeling

C Gogu, JC Passieux - Structural and Multidisciplinary Optimization, 2013 - Springer
Response surface methodology is an efficient method for approximating the output of
complex, computationally expensive codes. Challenges remain however in decreasing their …

Parallel iterative substructuring in structural mechanics

O Rheinbach - Archives of Computational Methods in Engineering, 2009 - Springer
Abstract Finite Element Tearing and Interconnecting (FETI) methods are a family of
nonoverlapping domain decomposition methods which have been proven to be robust and …

Near-best univariate spline discrete quasi-interpolants on nonuniform partitions

D Barrera, MJ Ibáñez, P Sablonnière… - Constructive Approximation, 2008 - Springer
The univariate spline quasi-interpolants (QIs) studied in this paper are approximation
operators using B-spline expansions with coefficients that are linear combinations of …

Modélisation non locale de l'endommagement dans les structures composites

N Germain - 2006 - pastel.hal.science
De nouvelles lois de comportement ont récemment été développées afin de prédire le
comportement et la rupture des composites à matrice organiques. Coupler à la méthode des …