Search Results - "Feyel, Frédéric"

A hybrid numerical methodology coupling reduced order modeling and Graph Neural Networks for non-parametric geometries: Applications to structural dynamics problems by Matray, Victor, Amlani, Faisal, Feyel, Frédéric, Néron, David

“…This work introduces a new approach for accelerating the numerical analysis of time-domain partial differential equations (PDEs) governing complex physical…”
Get full text

Numerical modeling and experimental validation of heat and mass transfer within decomposing carbon fibers/epoxy resin composite laminates by Dellinger, Nicolas, Leplat, Gillian, Huchette, Cédric, Biasi, Valentin, Feyel, Frédéric

“…CFRP composite laminates decompose by pyrolysis/oxidation when exposed to high heat fluxes. While gaseous and solid residues created within the composite…”
Get full text

Stability, convergence and optimization of interface treatments in weak and strong thermal fluid-structure interaction by Moretti, Rocco, Errera, Marc-Paul, Couaillier, Vincent, Feyel, Frédéric

“…This paper presents the stability, convergence and optimization characteristics of interface treatments for steady conjugate heat transfer problems. The…”
Get full text

A finite element approach coupling a continuous gradient damage model and a cohesive zone model within the framework of quasi-brittle failure by Cuvilliez, Sam, Feyel, Frédéric, Lorentz, Eric, Michel-Ponnelle, Sylvie

“…► Construction of a cohesive law that is equivalent to a gradient damage model in 1D. ► Transition from damage growth to cohesive model enforcing energetic…”
Get full text

Multiscale FE2 elastoviscoplastic analysis of composite structures by FEYEL, F

“…This article is concerned with the modeling of the behavior of structures reinforced by long-fiber SiC/Ti periodic composites. A new multiscale behavior model…”
Get full text

Finite element formulation of a phase field model based on the concept of generalized stresses by Ammar, Kais, Appolaire, Benoît, Cailletaud, Georges, Feyel, Frederic, Forest, Samuel

“…A finite element formulation of a phase field model for alloys is proposed within the general framework of continuum thermodynamics in conjunction with the…”
Get full text

Composite layered materials: Anisotropic nonlocal damage models by Germain, Norbert, Besson, Jacques, Feyel, Frédéric

“…Sophisticated constitutive equations have recently been proposed to describe the mechanical behavior and damage of heterogeneous materials. Using these…”
Get full text

High-performance parallel simulation of structure degradation using non-local damage models by Germain, Norbert, Besson, Jacques, Feyel, Frédéric, Gosselet, Pierre

“…Simulating damage and failure of metallic or composite structures often fails when using standard finite element discretizations and a Newton–Raphson solving…”
Get full text

A multilevel finite element method (FE 2) to describe the response of highly non-linear structures using generalized continua by Feyel, Frédéric

“…A general method called FE 2 has been introduced which consists in describing the behavior of heterogeneous structures using a multiscale finite element model…”
Get full text

A nonintrusive reduced order model for nonlinear transient thermal problems with nonparametrized variability by Casenave, Fabien, Gariah, Asven, Rey, Christian, Feyel, Frederic

“…In this work, we consider a transient thermal problem, with a nonlinear term coming from the radiation boundary condition and a nonparametrized variability in…”
Get full text

FE2 multiscale approach for modelling the elastoviscoplastic behaviour of long fibre SiC/Ti composite materials by Feyel, Frédéric, Chaboche, Jean-Louis

Get full text

A new marching ridges algorithm for crack path tracking in regularized media by Feld-Payet, S., Chiaruttini, V., Besson, J., Feyel, F.

“…•Ridge lines can be detected by studying the sign of a scalar product.•The algorithm can be applied for ductile failure FE analysis in 2D and 3D.•Classical…”
Get full text

Predicting size effects in nickel-base single crystal superalloys with the Discrete-Continuous Model by Vattré, Aurélien, Devincre, Benoit, Roos, Arjen, Feyel, Frédéric

“…The Discrete-Continuous Model, a coupling between dislocation dynamics and finite elements simulations, is used for modelling size effects in the mechanical…”
Get full text

A parallel algorithm for direct solution of large sparse linear systems, well suitable to domain decomposition methods by Gueye, Ibrahima, Juvigny, Xavier, Feyel, Frédéric, Roux, François-Xavier, Cailletaud, Georges

“…The goal of this paper is to develop a parallel algorithm for the direct solution of large sparse linear systems and integrate it into domain decomposition…”
Get full text

Interface debonding models: a viscous regularization with a limited rate dependency by Chaboche, J.L., Feyel, F., Monerie, Y.

“…Interface models have been developed over the past 10 years for simulating various scales of composite debonding effects, such as decohesion between matrix and…”
Get full text

Fast estimation of discretization error for FE problems solved by domain decomposition by Parret-Fréaud, A., Rey, C., Gosselet, P., Feyel, F.

“…This paper presents a strategy for a posteriori error estimation for substructured problems solved by non-overlapping domain decomposition methods. We focus on…”
Get full text

A hybrid numerical methodology coupling Reduced Order Modeling and Graph Neural Networks for non-parametric geometries: applications to structural dynamics problems by Matray, Victor, Amlani, Faisal, Feyel, Frédéric, Néron, David

“…This work introduces a new approach for accelerating the numerical analysis of time-domain partial differential equations (PDEs) governing complex physical…”
Get full text

A new parallel sparse direct solver: Presentation and numerical experiments in large-scale structural mechanics parallel computing by Guèye, I., Arem, S. El, Feyel, F., Roux, F.-X., Cailletaud, G.

“…The main purpose of this work is to present a new parallel direct solver: Dissection solver. It is based on LU factorization of the sparse matrix of the linear…”
Get full text

Finite Element Analysis of Damage in Ductile Structures Using a Nonlocal Model Combined with a Three-field Formulation by Feld-Payet, S., Besson, J., Feyel, F.

“…Solving finite element problems involving elasto-plasticity coupled with damage softening faces two major difficulties: mesh dependence and volumetric locking…”
Get full text

Multiscale FE 2 elastoviscoplastic analysis of composite structures by Feyel, Frédéric

“…This paper discusses modelling of the behaviour of structures reinforced by long fibre SiC/Ti composite material with a periodic microstructure. A new…”
Get full text