Speeding up mesoscale thermal simulations of powder bed additive manufacturing thanks to the forward Euler time-integration scheme: A critical assessment

S Essongue, Y Ledoux, A Ballu - Finite Elements in Analysis and Design, 2022 - Elsevier
This work addresses the mesoscale conduction-based modelling of Powder Bed Fusion for
metallic materials. The forward Euler (explicit) time integration strategy is thoroughly …

Finite elements with embedded interphases for strain localization in quasi-brittle materials

M Puccia, A Spada, G Giambanco - Engineering Fracture Mechanics, 2023 - Elsevier
The paper presents a continuous–discontinuous numerical strategy for simulating localized
failure in structures made of quasi-brittle materials using finite elements. The strategy is …

Finite element modelling of traction-free cracks: Benchmarking the augmented finite element method (AFEM)

S Essongue, G Couégnat, E Martin - Engineering Fracture Mechanics, 2021 - Elsevier
This paper investigates the accuracy and the convergence properties of the augmented
finite element method (AFEM). The AFEM is here used to model strong discontinuities …

[HTML][HTML] Lamination-based efficient treatment of weak discontinuities for non-conforming finite element meshes

J Dobrzański, K Wojtacki, S Stupkiewicz - Computers & Structures, 2024 - Elsevier
When modelling discontinuities (interfaces) using the finite element method, the standard
approach is to use a conforming finite-element mesh in which the mesh matches the …

On the Use of Drilling Degrees of Freedom to Stabilise the Augmented Finite Element Method

S Essongue, G Couégnat, E Martin - Applied Mechanics, 2023 - mdpi.com
The augmented finite element method (AFEM) embeds cracks within solid elements. These
cracks are modelled without additional degrees of freedom thanks to a dedicated static …

[PDF][PDF] Strain localization and fracture in isotropic damaging materials: a novel augmented-finite element strategy

M Puccia - 2022 - tesidottorato.depositolegale.it
This Chapter will introduce the fundamental problem underlying the entire thesis. The so-
called strain localization in quasi-brittle solids will be investigated in the framework of …

Efficient Thermal Modeling of Laser Directed Energy Deposition Using the Forwardeuler Scheme: Methodology, Merits and Limitation

S Essongue, M Carin - Muriel, Efficient Thermal Modeling of Laser … - papers.ssrn.com
This paper explores mesoscale conduction-based modeling of Laser Directed Energy
Deposition for metallic materials. We benchmark the forward Euler (explicit) time integration …