A novel higher-order finite element framework for the process modeling of material extrusion additive manufacturing

MH Nagaraj, M Maiaru - Additive Manufacturing, 2023 - Elsevier
Material extrusion additive manufacturing enables the rapid fabrication of complex structures
for a wide range of applications, including within the aerospace and healthcare sectors …

Vibration analysis of thermally loaded isotropic and composite beam and plate structures

R Azzara, E Carrera, M Filippi… - Journal of Thermal …, 2023 - Taylor & Francis
This work proposed the use of the Carrera Unified Formulation (CUF) for the vibration and
buckling analysis of structures subjected to thermal loads. In detail, the variation of natural …

[HTML][HTML] Probability embedded failure prediction of unidirectional composites under biaxial loadings combining machine learning and micromechanical modelling

L Wan, Z Ullah, D Yang, BG Falzon - Composite Structures, 2023 - Elsevier
This study presents a data-driven, probability embedded approach for the failure prediction
of IM7/8552 unidirectional carbon fibre reinforced polymer (CFRP) composite materials …

A highly efficient multi-scale approach of locally refined nonlinear analysis for large composite structures

S Li, Y Mao, W Liu, S Hou - Composite Structures, 2023 - Elsevier
The behaviour of materials at the microscale is generally considered the main driver for the
macroscopic response. However, it is still a great challenge in terms of computational cost …

[HTML][HTML] Voids effect on micromechanical response of elastoplastic fiber-reinforced polymer composites using 1D higher-order theories

M Petrolo, A Pagani, M Trombini, E Carrera - Mechanics of Materials, 2023 - Elsevier
This work investigates the effect of voids within the matrix of composite materials. Effects on
local stress and plastic strain values are evaluated by conducting a micromechanical …

Thermo-mechanical analysis of additive manufacturing for material properties estimation of layered polymer composite

U Bashir, A Hassan, F Ahmed… - Mechanics of …, 2024 - Taylor & Francis
This paper proposes a numerical approach for predicting residual stresses induced during
the additive manufacturing (AM) of polymer composites and their effect on the deformation …

Two-scale concurrent optimization of composites with elliptical inclusions under microstress constraints within the FE2 framework

S Li, S Hou - Computers & Structures, 2023 - Elsevier
In order to avoid the adverse effects of structural damage caused by stress concentration,
the optimization problem considering stress constraints is very important in structural design …

[HTML][HTML] Bottom-up stochastic multiscale model for the mechanical behavior of multidirectional composite laminates with microvoids

M Li, S Li, Y Tian, H Zhang, W Zhu, Y Ke - Composites Part A: Applied …, 2024 - Elsevier
This study for the first time develops a coherent and efficient bottom-up stochastic multiscale
modeling approach, which aims at revealing the impact of microvoids on the mechanical …

In situ analysis of three-dimensional microcrack propagation in cross-ply laminates using synchrotron radiation X-ray computed tomography

K Takahashi, R Higashiyama, G Xue… - Composites Science and …, 2024 - Elsevier
This study utilized synchrotron radiation X-ray computed tomography to investigate the
initiation and propagation of microcracks in cross-ply carbon fiber-reinforced polymer …

Thermomechanical analysis of carbon fiber-reinforced polymer representative volume elements with voids

M Petrolo, A Pagani, M Trombini… - Journal of …, 2024 - journals.sagepub.com
This work presents results of numerical simulations to investigate the effect of different void
percentages on composite materials' Coefficient of Thermal Expansion (CTE) and local …