Two multifidelity kriging-based strategies to control discretization error in reliability analysis exploiting a priori and a posteriori error estimators
This paper presents two approaches to tackle the issue of discretization error in the reliability
assessment of structures. The first method (AGSK-MCS for Adaptive Guaranteed State …
assessment of structures. The first method (AGSK-MCS for Adaptive Guaranteed State …
Support vectors machines for the estimation of probability of failure: Multifidelity classifiers built from a posteriori discretization error estimators
This article proposes two algorithms to compute the probability of failure using Support
Vector Machine (SVM) classifiers and Monte Carlo estimator in the context of structural …
Vector Machine (SVM) classifiers and Monte Carlo estimator in the context of structural …
A strict error bound with separated contributions of the discretization and of the iterative solver in non-overlapping domain decomposition methods
V Rey, C Rey, P Gosselet - Computer Methods in Applied Mechanics and …, 2014 - Elsevier
This paper deals with the estimation of the distance between the solution of a static linear
mechanic problem and its approximation by the finite element method solved with a non …
mechanic problem and its approximation by the finite element method solved with a non …
Multifidelity adaptive kriging metamodel based on discretization error bounds
This article presents an approach to build a multifidelity kriging metamodel from finite
element computations on different meshes for stuctural reliability assessment. The proposed …
element computations on different meshes for stuctural reliability assessment. The proposed …
Computable upper and lower bounds on eigenfrequencies
This paper is a revisit of the work [Ladevèze and Pelle, Int. J. Numer. Methods Engrg. 28
(1989)] where the goal here is to acquire guaranteed, accurate and computable bounds of …
(1989)] where the goal here is to acquire guaranteed, accurate and computable bounds of …
Strict bounding of quantities of interest in computations based on domain decomposition
V Rey, P Gosselet, C Rey - Computer Methods in Applied Mechanics and …, 2015 - Elsevier
This paper deals with bounding the error on the estimation of quantities of interest obtained
by finite element and domain decomposition methods. The proposed bounds are written in …
by finite element and domain decomposition methods. The proposed bounds are written in …
A new equilibrated residual method improving accuracy and efficiency of flux-free error estimates
This paper presents a new methodology to compute guaranteed upper bounds for the
energy norm of the error in the context of linear finite element approximations of the reaction …
energy norm of the error in the context of linear finite element approximations of the reaction …
Improved recovery of admissible stress in domain decomposition methods—application to heterogeneous structures and new error bounds for FETI‐DP
A Parret‐Fréaud, V Rey, P Gosselet… - International Journal for …, 2017 - Wiley Online Library
This paper investigates the question of the building of admissible stress field in a
substructured context. More precisely, we analyze the special role played by multiple points …
substructured context. More precisely, we analyze the special role played by multiple points …
Strict lower bounds with separation of sources of error in non‐overlapping domain decomposition methods
V Rey, P Gosselet, C Rey - International Journal for Numerical …, 2016 - Wiley Online Library
This article deals with the computation of guaranteed lower bounds of the error in the
framework of finite element and domain decomposition methods. In addition to a fully …
framework of finite element and domain decomposition methods. In addition to a fully …
Uncertainty Propagation of Structural Computation for Fatigue Assessment
Offshore wind substations are subjected to uncertain loads from waves, wind and currents.
Sea states are composed of irregular waves which statistics are usually characterized …
Sea states are composed of irregular waves which statistics are usually characterized …