Viscoelasticty with physics-augmented neural networks: Model formulation and training methods without prescribed internal variables

M Rosenkranz, KA Kalina, J Brummund, WC Sun… - Computational …, 2024 - Springer
We present an approach for the data-driven modeling of nonlinear viscoelastic materials at
small strains which is based on physics-augmented neural networks (NNs) and requires …

A monolithic hyper ROM FE2 method with clustered training at finite deformations

N Lange, G Hütter, B Kiefer - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
The usage of numerical homogenization to obtain structure–property relations by applying
the finite element method at both the micro-and macroscale has gained much interest in the …

[HTML][HTML] Neural networks meet anisotropic hyperelasticity: A framework based on generalized structure tensors and isotropic tensor functions

KA Kalina, J Brummund, WC Sun, M Kästner - Computer Methods in …, 2025 - Elsevier
We present a data-driven framework for the multiscale modeling of anisotropic finite strain
elasticity based on physics-augmented neural networks (PANNs). Our approach allows the …

Multi-scale impact of geometric uncertainty on the interface bonding reliability of metal/polymer-based composites hybrid (MPH) structures

W Pan, L Sun, X Yang, Y Zhang, J Sun, J Shang… - Composite …, 2025 - Elsevier
Metal/polymer-based composites hybrid (MPH) structures combine the high strength of
metals with the low density of polymer-based composites, making them widely used in …

Computational homogenization for aerogel-like polydisperse open-porous materials using neural network-based surrogate models on the microscale

A Klawonn, M Lanser, L Mager, A Rege - Computational Mechanics, 2025 - Springer
The morphology of nanostructured materials exhibiting a polydisperse porous space, such
as aerogels, is very open porous and fine grained. Therefore, a simulation of the …

[HTML][HTML] Self-Adaptable Software for Pre-Programmed Internet Tasks: Enhancing Reliability and Efficiency

M Martínez García, LCG Martínez Rodríguez… - Applied Sciences, 2024 - mdpi.com
In the current digital landscape, artificial intelligence-driven automation has revolutionized
efficiency in various areas, enabling significant time and resource savings. However, the …

Enhancing multiscale simulations with constitutive relations‐aware deep operator networks

H Eivazi, M Alikhani, JA Tröger, S Wittek, S Hartmann… - PAMM, 2024 - Wiley Online Library
Multiscale problems are widely observed across diverse domains in physics and
engineering. Translating these problems into numerical simulations and solving them using …

Efficient integration of deep neural networks in sequential multiscale simulations

JA Tröger, H Eivazi, S Hartmann, S Wittek, A Rausch - PAMM, 2023 - Wiley Online Library
Multiscale computations involving finite elements are often unfeasible due to their
substantial computational costs arising from numerous microstructure evaluations. This …

[PDF][PDF] A Neural Network Constitutive Model, and Automatic Stiffness Evaluation for Multiscale Finite Elements

AD Mouratidou, GE Stavroulakis - 2025 - preprints.org
A neural network model for a constitutive law in nonlinear structures is proposed. The neural
model is constructed based on a data set of responses of representative volume elements …

[HTML][HTML] Feature Paper Collection of Mathematical and Computational Applications—2023

G Rozza, O Schütze, N Fantuzzi - Mathematical and Computational …, 2024 - mdpi.com
This Special Issue comprises the second collection of papers submitted by both the Editorial
Board Members (EBMs) of the journal Mathematical and Computational Applications (MCA) …