A hybrid frequency-temporal reduced-order method for nonlinear dynamics

A Daby-Seesaram, A Fau, PE Charbonnel, D Néron - Nonlinear Dynamics, 2023 - Springer
Solving dynamics problem in the frequency domain gives significant advantages compared
with solutions fully computed in the temporal domain, but history-dependent nonlinear …

Adaptive space-time model order reduction with dual-weighted residual (MORe DWR) error control for poroelasticity

H Fischer, J Roth, L Chamoin, A Fau… - Advanced Modeling and …, 2024 - Springer
In this work, the space-time MORe DWR (M odel O rder Re duction with D ual-W eighted R
esidual error estimates) framework is extended and further developed for single-phase flow …

A stochastic LATIN method for stochastic and parameterized elastoplastic analysis

Z Zheng, D Néron, U Nackenhorst - Computer Methods in Applied …, 2024 - Elsevier
The LATIN method has been developed and successfully applied to a variety of
deterministic problems, but few work has been developed for nonlinear stochastic problems …

[HTML][HTML] A time multiscale based data-driven approach in cyclic elasto-plasticity

S Rodriguez, A Pasquale, K Nguyen, A Ammar… - Computers & …, 2024 - Elsevier
Within the framework of computational plasticity, recent advances show that the quasi-static
response of an elasto-plastic structure under cyclic loadings may exhibit a time multiscale …

Computational multiscale solvers for continuum approaches

F Montero-Chacón, JA Sanz-Herrera, M Doblaré - Materials, 2019 - mdpi.com
Computational multiscale analyses are currently ubiquitous in science and technology.
Different problems of interest—eg, mechanical, fluid, thermal, or electromagnetic—involving …

A kinetic two-scale damage model for high-cycle fatigue simulation using multi-temporal Latin framework

M Bhattacharyya, A Fau, R Desmorat… - European Journal of …, 2019 - Elsevier
The goal of this paper is to introduce a model order reduction method for high-cycle fatigue
simulations using a kinetic damage model, ie a constitutive model in which the damage …

Weakly-invasive LATIN-PGD for solving time-dependent non-linear parametrized problems in solid mechanics

R Scanff, D Néron, P Ladevèze, P Barabinot… - Computer Methods in …, 2022 - Elsevier
A weakly-invasive version of the LATIN-PGD method is introduced to compute reduced-
order models in solid mechanics for time-dependent non-linear parametrized problems …

A multi-temporal scale model reduction approach for the computation of fatigue damage

M Bhattacharyya, A Fau, U Nackenhorst… - Computer Methods in …, 2018 - Elsevier
One of the challenges of fatigue simulation using continuum damage mechanics framework
over the years has been reduction of numerical cost while maintaining acceptable accuracy …

Multi-temporal decomposition for elastoplastic ratcheting solids

J Ulloa, G Degrande, JE Andrade, S François - Computer Methods in …, 2024 - Elsevier
This paper presents a multi-temporal formulation for simulating elastoplastic solids under
cyclic loading. We leverage the proper generalized decomposition (PGD) to decompose the …

A study on the LATIN-PGD method: Analysis of some variants in the light of the latest developments

R Scanff, S Nachar, PA Boucard, D Néron - Archives of computational …, 2021 - Springer
The LATIN-PGD method is a powerful alternative to the Newton–Raphson scheme for
solving non-linear time-dependent problems in combination with reduced-order modeling …