95 citations · 290 across the 13 of their papers we have counts for
15 papers
Adaptive space-time model order reduction with dual-weighted residual (MORe DWR) error control for poroelasticity
Hendrik Fischer, Julian Roth, Ludovic Chamoin +3
In this work, the space-time MORe DWR (Model Order Reduction with Dual-Weighted Residual error estimates) framework is extended and further developed for single-phase flow problems…
Non-intrusive model combination for learning dynamical systems
Shiqi Wu, Ludovic Chamoin, Qianxiao Li
In data-driven modelling of complex dynamic processes, it is often desirable to combine different classes of models to enhance performance. Examples include coupled models of diffe…
MORe DWR: Space-time goal-oriented error control for incremental POD-based ROM
Hendrik Fischer, Julian Roth, Thomas Wick +2
In this work, the dual-weighted residual (DWR) method is applied to obtain a certified incremental proper orthogonal decomposition (POD) based reduced order model. A novel approach…
Inverse design of reconfigurable piezoelectric topological phononic plates
Chuong Nguyen, S. S. Nanthakumar, Xiaoying Zhuang +3
We present a methodology to perform inverse analysis on reconfigurable topological insulators for flexural waves in plate-like structures. First the unit cell topology of a phononi…
A pedagogical review on a posteriori error estimation in Finite Element computations
Ludovic Chamoin, Frederic Legoll
This article is a review on basic concepts and tools devoted to a posteriori error estimation for problems solved with the Finite Element Method. For the sake of simplicity and cla…
Three-dimensional topology optimization of auxetic metamaterial using isogeometric analysis and model order reduction
Chuong Nguyen, Xiaoying Zhuang, Ludovic Chamoin +3
In this work, we present an efficiently computational approach for designing material micro-structures by means of topology optimization. The central idea relies on using the isoge…
Goal-oriented error estimation and adaptivity in MsFEM computations
Ludovic Chamoin, Frederic Legoll
We introduce a goal-oriented strategy for multiscale computations performed using the Multiscale Finite Element Method (MsFEM). In a previous work, we have shown how to use, in the…
Proper Generalized Decomposition of Parameterized Electrothermal Problems Discretized by the Finite Integration Technique
Alexander Krimm, Thorben Casper, Sebastian Schöps +2
The proper generalized decomposition is applied to a static electrothermal model subject to uncertainties. A reduced model that circumvents the curse of dimensionality is obtained.…
A posteriori error estimation and adaptive strategy for PGD model reduction applied to parametrized linear parabolic problems
Ludovic Chamoin, Florent Pled, Pierre-Eric Allier +1
We define an a posteriori verification procedure that enables to control and certify PGD-based model reduction techniques applied to parametrized linear elliptic or parabolic probl…
A posteriori error estimation and adaptive strategy for the control of MsFEM computations
Ludovic Chamoin, Frederic Legoll
We introduce quantitative and robust tools to control the numerical accuracy in simulations performed using the Multiscale Finite Element Method (MsFEM). First, we propose a guaran…
New bounding techniques for goal-oriented error estimation applied to linear problems
Pierre Ladevèze, Florent Pled, Ludovic Chamoin
The paper deals with the accuracy of guaranteed error bounds on outputs of interest computed from approximate methods such as the finite element method. A considerable improvement…
On the techniques for constructing admissible stress fields in model verification: Performances on engineering examples
Florent Pled, Ludovic Chamoin, Pierre Ladevèze
Robust global/goal-oriented error estimation is used nowadays to control the approximate finite element solutions obtained from simulation. In the context of Computational Mechanic…
Control Synthesis of Nonlinear Sampled Switched Systems using Euler's Method
Adrien Le Coënt, Florian De Vuyst, Ludovic Chamoin +1
In this paper, we propose a symbolic control synthesis method for nonlinear sampled switched systems whose vector fields are one-sided Lipschitz. The main idea is to use an approxi…
Distributed Synthesis of State-Dependent Switching Control
Adrien Le Coënt, Laurent Fribourg, Nicolas Markey +2
We present a correct-by-design method of state-dependent control synthesis for linear discrete-time switching systems. Given an objective region R of the state space, the method bu…
An enhanced method with local energy minimization for the robust a posteriori construction of equilibrated stress fields in finite element analyses
Florent Pled, Ludovic Chamoin, Pierre Ladevèze
In the context of global/goal-oriented error estimation applied to computational mechanics, the need to obtain reliable and guaranteed bounds on the discretization error has motiva…