Multiscale modeling of materials: Computing, data science, uncertainty and goal-oriented optimization

N Kovachki, B Liu, X Sun, H Zhou, K Bhattacharya… - Mechanics of …, 2022 - Elsevier
The recent decades have seen various attempts at accelerating the process of developing
materials targeted towards specific applications. The performance required for a particular …

Model-data-driven constitutive responses: Application to a multiscale computational framework

JN Fuhg, C Böhm, N Bouklas, A Fau, P Wriggers… - International Journal of …, 2021 - Elsevier
Computational multiscale methods for analyzing and deriving constitutive responses have
been used as a tool in engineering problems because of their ability to combine information …

An investigation on the coupling of data-driven computing and model-driven computing

J Yang, W Huang, Q Huang, H Hu - Computer Methods in Applied …, 2022 - Elsevier
The aim of this work is to investigate the coupling of data-driven (DD) computing and model-
driven (MD) computing for the analyses of engineering structures. The data-driven …

Data-driven multiscale method for composite plates

W Yan, W Huang, Q Huang, J Yang, G Giunta… - Computational …, 2022 - Springer
Composite plates are widely used in many engineering fields such as aerospace and
automotive. An accurate and efficient multiscale modeling and simulation strategy is of …

Physics‐constrained symbolic model discovery for polyconvex incompressible hyperelastic materials

B Bahmani, WC Sun - International Journal for Numerical …, 2024 - Wiley Online Library
We present a machine learning framework capable of consistently inferring mathematical
expressions of hyperelastic energy functionals for incompressible materials from sparse …

Deep learning framework for multiscale finite element analysis based on data-driven mechanics and data augmentation

S Kim, H Shin - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
In this study, a deep learning framework for multiscale finite element analysis (FE 2) is
proposed. To overcome the inefficiency of the concurrent classical FE 2 method induced by …

A data-driven approach for instability analysis of thin composite structures

X Bai, J Yang, W Yan, Q Huang, S Belouettar… - Computers & Structures, 2022 - Elsevier
This paper aims to propose a data-driven computing algorithm integrated with model
reduction technique to conduct instability analysis of thin composite structures. The data …

A data-driven CUF-based beam model based on the tree-search algorithm

Y Hui, X Bai, Y Yang, J Yang, Q Huang, X Liu… - Composite …, 2022 - Elsevier
Abstract Data-driven Computational Mechanics (DDCM) has been proposed as a new
computational paradigm in recent years. Most of the DDCM models are discretised in the …

[HTML][HTML] Discrete data-adaptive approximation of hyperelastic energy functions

S Wiesheier, J Mergheim, P Steinmann - Computer Methods in Applied …, 2023 - Elsevier
Phenomenological constitutive modeling is prone to uncertainty and results in loss of
information as data coming from experiments are not used directly in calculations. Data …

Data-driven enhanced FDEM for simulating the rock mechanical behavior

Z Wu, R Zhao, X Xu, Q Liu, M Liu - International Journal of Mechanical …, 2024 - Elsevier
In this paper, a data-driven enhanced combined finite-discrete element method (DDFDEM)
is proposed to simulate the rock mechanical behavior by directly assigning the rock …