Eighty years of the finite element method: Birth, evolution, and future

WK Liu, S Li, HS Park - Archives of Computational Methods in …, 2022‏ - Springer
This document presents comprehensive historical accounts on the developments of finite
element methods (FEM) since 1941, with a specific emphasis on developments related to …

Discovering plasticity models without stress data

M Flaschel, S Kumar, L De Lorenzis - npj Computational Materials, 2022‏ - nature.com
We propose an approach for data-driven automated discovery of material laws, which we
call EUCLID (Efficient Unsupervised Constitutive Law Identification and Discovery), and we …

Development of interpretable, data-driven plasticity models with symbolic regression

GF Bomarito, TS Townsend, KM Stewart… - Computers & …, 2021‏ - Elsevier
In many applications, such as those which drive new material discovery, constitutive models
are sought that have three characteristics:(1) the ability to be derived in automatic fashion …

Integrated Finite Element Neural Network (I-FENN) for non-local continuum damage mechanics

P Pantidis, ME Mobasher - Computer Methods in Applied Mechanics and …, 2023‏ - Elsevier
We present a new Integrated Finite Element Neural Network framework (I-FENN), with the
objective to accelerate the numerical solution of nonlinear computational mechanics …

[HTML][HTML] Automated identification of linear viscoelastic constitutive laws with EUCLID

E Marino, M Flaschel, S Kumar, L De Lorenzis - Mechanics of Materials, 2023‏ - Elsevier
We extend EUCLID, a computational strategy for automated material model discovery and
identification, to linear viscoelasticity. For this case, we perform a priori model selection by …

Derivation of heterogeneous material laws via data-driven principal component expansions

H Yang, X Guo, S Tang, WK Liu - Computational Mechanics, 2019‏ - Springer
A new data-driven method that generalizes experimentally measured and/or computational
generated data sets under different loading paths to build three dimensional nonlinear …

MAP123: A data-driven approach to use 1D data for 3D nonlinear elastic materials modeling

S Tang, G Zhang, H Yang, Y Li, WK Liu… - Computer Methods in …, 2019‏ - Elsevier
Solving three-dimensional boundary-value engineering problems numerically requires
material laws. However, it is difficult to build the material laws in three dimension, since the …

[HTML][HTML] Machine learning based modeling of path-dependent materials for finite element analysis

Y He, SJ Semnani - Computers and Geotechnics, 2023‏ - Elsevier
Geological materials typically demonstrate a nonlinear and path-dependent behavior.
Recently, data-driven techniques have emerged as a promising alternative to the traditional …

Structural-Genome-Driven computing for composite structures

J Yang, R Xu, H Hu, Q Huang, W Huang - Composite Structures, 2019‏ - Elsevier
The aim of this work is to propose a new approach, named Structural-Genome-Driven (SGD)
computing, for composite structures, where the structural-genome database is collected …

Data-oriented constitutive modeling of plasticity in metals

A Hartmaier - Materials, 2020‏ - mdpi.com
Constitutive models for plastic deformation of metals are typically based on flow rules
determining the transition from elastic to plastic response of a material as function of the …