[HTML][HTML] StressD: 2D Stress estimation using denoising diffusion model

Y Jadhav, J Berthel, C Hu, R Panat, J Beuth… - Computer Methods in …, 2023 - Elsevier
Finite element analysis (FEA), a common approach for simulating stress distribution for a
given geometry, is generally associated with high computational cost, especially when high …

Difference-based deep learning framework for stress predictions in heterogeneous media

H Feng, P Prabhakar - Composite Structures, 2021 - Elsevier
Stress analysis of heterogeneous media, like composite materials, using Finite Element
Analysis (FEA) has become commonplace in design and analysis. However, determining …

Bridging finite element and deep learning: High-resolution stress distribution prediction in structural components

H Bolandi, X Li, T Salem, VN Boddeti… - Frontiers of Structural and …, 2022 - Springer
Finite-element analysis (FEA) for structures has been broadly used to conduct stress
analysis of various civil and mechanical engineering structures. Conventional methods …

Inferring displacement fields from sparse measurements using the statistical finite element method

VB Narouie, H Wessels, U Römer - Mechanical Systems and Signal …, 2023 - Elsevier
Nowadays, strain and displacement can be measured using techniques such as electronic
speckle pattern interferometry and digital image correlation. However, usually, only some …

Graph Neural Networks (GNNs) based accelerated numerical simulation

C Jiang, NZ Chen - Engineering Applications of Artificial Intelligence, 2023 - Elsevier
Finite element method (FEM) based high-fidelity simulation can be computationally
demanding and time-consuming as engineering problems become more complicated. It is …

Finite element solver for data-driven finite strain elasticity

A Platzer, A Leygue, L Stainier, M Ortiz - Computer Methods in Applied …, 2021 - Elsevier
A nominal finite element solver is proposed for data-driven finite strain elasticity. It bypasses
the need for a constitutive model by considering a database of deformation gradient/first …

Estimation of the strain field from full-field displacement noisy data: comparing finite elements global least squares and polynomial diffuse approximation

S Avril, P Feissel, F Pierron, P Villon - European Journal of …, 2008 - Taylor & Francis
In this study, the issue of reconstructing strain fields from corrupted full-field displacement
data is addressed. Two approaches are proposed, a global one based on Finite Element …

Direct strain tensor approximation for full‐field strain measurement methods

A Iliopoulos, JG Michopoulos - International Journal for …, 2013 - Wiley Online Library
Full‐field strain measurement techniques are based on computing the spatial derivatives of
numerical or functional approximations of the underlying displacement fields extracted from …

Adaptive goal-oriented data sampling in Data-Driven Computational Mechanics

A Gorgogianni, K Karapiperis, L Stainier, M Ortiz… - Computer Methods in …, 2023 - Elsevier
Data-Driven (DD) computing is an emerging field of Computational Mechanics, motivated by
recent technological advances in experimental measurements, the development of highly …

Measuring stress field without constitutive equation

M Dalémat, M Coret, A Leygue, E Verron - Mechanics of Materials, 2019 - Elsevier
The present paper proposes a coupled experimental-numerical protocol to measure
heterogeneous stress fields in a model-free framework. This work contributes to developing …