A hybrid approach to simulate the homogenized irreversible elastic–plastic deformations and damage of foams by neural networks

C Settgast, G Hütter, M Kuna, M Abendroth - International Journal of …, 2020 - Elsevier
Classically, the constitutive behavior of materials is described either phenomenologically, or
by homogenization approaches. Phenomenological approaches are computationally very …

Direction-dependent fracture in solids: Atomistically calibrated phase-field and cohesive zone model

S Rezaei, JR Mianroodi, T Brepols, S Reese - Journal of the Mechanics and …, 2021 - Elsevier
We propose a new phase-field damage formulation which takes into account anisotropic
damage evolution in solids. Such anisotropy projects itself in fracture energy values which …

A two-surface gradient-extended anisotropic damage model using a second order damage tensor coupled to additive plasticity in the logarithmic strain space

H Holthusen, T Brepols, S Reese, JW Simon - Journal of the Mechanics and …, 2022 - Elsevier
The objective of the present paper is to develop a thermodynamically consistent coupled
damage-plasticity model at large deformations, which accounts for damage anisotropy …

[HTML][HTML] A probabilistic virtual process chain to quantify process-induced uncertainties in Sheet Molding Compounds

N Meyer, S Gajek, J Görthofer, A Hrymak… - Composites Part B …, 2023 - Elsevier
The manufacturing process of Sheet Molding Compound (SMC) influences the properties of
a component in a non-deterministic fashion. To predict this influence on the mechanical …

Using structural tensors for inelastic material modeling in the finite strain regime–a novel approach to anisotropic damage

S Reese, T Brepols, M Fassin, L Poggenpohl… - Journal of the …, 2021 - Elsevier
The idea of the paper is to apply the well established structural tensors approach to complex
inelastic material modeling in the finite strain regime. Using this concept, a very general and …

Model order reduction of nonlinear homogenization problems using a Hashin–Shtrikman type finite element method

S Wulfinghoff, F Cavaliere, S Reese - Computer Methods in Applied …, 2018 - Elsevier
This work presents a computational nonlinear homogenization approach, the starting point
of which is a model order reduction method based on data-clustering. To this end, the …

A dynamic composite rolling model based on Lemaitre damage theory

T Wang, W Zhao, Y Yun, Z Li, Z Wang… - International Journal of …, 2024 - Elsevier
Exploring the bonding mechanisms within bimetallic composite plates throughout the cold
rolling process poses a considerable challenge, especially in simulating the bonding …

Thermo-mechanically coupled gradient-extended damage-plasticity modeling of metallic materials at finite strains

S Felder, N Kopic-Osmanovic, H Holthusen… - International Journal of …, 2022 - Elsevier
For various engineering applications, the analysis and prediction of damage onset and
propagation within ductile materials under thermo-mechanical loading conditions play a …

[HTML][HTML] Gradient-extended anisotropic brittle damage modeling using a second order damage tensor–Theory, implementation and numerical examples

M Fassin, R Eggersmann, S Wulfinghoff… - International Journal of …, 2019 - Elsevier
The paper presents a general gradient-extended continuum mechanical framework for
materials with internal variables based on additional generalized balance equations. The …

Recent trends in computational damage models: An overview

R Piska, K Sivadas, K Boyina, A Vuppuluri… - Theoretical and Applied …, 2024 - Elsevier
This work presents an introduction to popular damage and fracture models along with the
major breakthroughs and the current state of the art. The theoretical and computational …