Buckling sensitivity of tow-steered plates subjected to multiscale defects by high-order finite elements and polynomial chaos expansion

AR Sanchez-Majano, A Pagani, M Petrolo, C Zhang - Materials, 2021 - mdpi.com
It is well known that fabrication processes inevitably lead to defects in the manufactured
components. However, thanks to the new capabilities of the manufacturing procedures that …

[HTML][HTML] Stochastic characterization of multiscale material uncertainties on the fibre-matrix interface stress state of composite variable stiffness plates

A Pagani, M Petrolo, AR Sánchez-Majano - International Journal of …, 2023 - Elsevier
This work analyses the stochastic response of fibre and matrix scale stresses of Variable
Angle Tow (VAT) laminates affected by multiscale uncertainty defects. The aim is to evaluate …

Stochastic delamination processes–a comparative analysis

N Malkiel, O Rabinovitch - International Journal of Solids and Structures, 2023 - Elsevier
Delamination is a critical failure mode relevant to any form of a layered structure. The
delamination is a highly nonlinear and unstable process that is subjected to an inevitable …

Probabilistic finite element analysis of sheet molding compound composites with an extended strength distribution model

S Iqbal, B Li, K Sonta, RC Ihuaenyi, X Xiao - Finite Elements in Analysis and …, 2023 - Elsevier
Abstract Sheet Molding Compound (SMC) composites exhibit large scatters in mechanical
properties and a strong correlation between the strength and stress distribution. For …

Prediction of Ductile Damage in Composite Material Used in Type IV Hydrogen Tanks by Artificial Neural Network and Machine Learning with Finite Element Modeling …

K Kadri, A Kallel, G Guerard, A Ben Abdallah… - Energy …, 2024 - Wiley Online Library
This study investigates the degradation process of composite materials used in high‐
pressure hydrogen storage vessels by employing advanced computational techniques. A …

A general FRC (fiber reinforced composite) constitutive model considering transverse isotropy and accumulated damage

J Park, JW Yoon - Journal of Mechanical Science and Technology, 2022 - Springer
A constitutive model for unidirectional fiber reinforced composite is proposed to utilize three-
dimensional finite element simulation. This proposed model is developed based on two …

Quantifying Uncertainty of Damage in Composites Using a Quasi Monte Carlo Technique

EJ Pitz, KV Pochiraju - Journal of Verification …, 2022 - asmedigitalcollection.asme.org
Property variations in a structure strongly impact the macroscopic mechanical performance
as regions with lower strength will be prone to damage initiation or acceleration …

[PDF][PDF] Multiscale finite element models for the analysis, design and optimisation of variable stiffness composites

A RACIONERO SANCHEZ-MAJANO - 2024 - tesidottorato.depositolegale.it
Abstract The irruption of Automated Fibre Placement (AFP) has permitted the conceiving of
new composite materials in which the fibres are no longer straight but can follow curvilinear …

Learning-based Finite Element Analysis for Composite Material Identification and Nonparametric-based Optimal Experimental Design for Tensile Tests

장경석 - 2024 - s-space.snu.ac.kr
In modern engineering, the requirements of cutting-edge materials have emerged to meet
the various demanding conditions. One possibility is the usage of composite materials which …

Machine Learning for Quantification of Uncertainty in Structural Performance

EJ Pitz - 2023 - search.proquest.com
Variability in properties of heterogeneous composites arises from manufacturing processes,
service loads, or environmental factors, significantly impacting macroscopic structural …