[HTML][HTML] Experimental and numerical fatigue damage characterization in multidirectional thermoplastic glass/polypropylene laminates based on in-situ damage …

J Sommer, M Hajikazemi, I De Baere… - Composites Part B …, 2023 - Elsevier
Quantifying microscopic damage mechanisms in opaque composite laminates with multiple
off-axis plies throughout fatigue experiments is challenging. However, if successful …

A hierarchical multi-scale analytical approach for predicting the elastic behavior of short fiber reinforced polymers under triaxial and flexural loading conditions

H Ahmadi, M Hajikazemi, E Rashidinejad… - … Science and Technology, 2022 - Elsevier
This paper presents a computationally efficient multi-scale analytical framework for
predicting the effective elastic response of short fiber reinforced polymers (SFRPs) under …

[HTML][HTML] A variational approach for accurate prediction of stress and displacement fields and thermo-elastic constants in general symmetric laminates containing ply …

M Hajikazemi, H Ahmadi, LN McCartney… - International Journal of …, 2022 - Elsevier
Delamination induced by ply cracking is an important damage mechanism that results in
stress redistribution and degrades both the in-plane and out-of-plane laminate properties. In …

A computational study about the effects of ply cracking and delamination on the stiffness reduction of damaged lamina and laminate

H Ahmadi, M Hajikazemi… - International Journal of …, 2022 - journals.sagepub.com
Accurate prediction of stiffness degradation in the damaged plies (laminae) is a fundamental
requirement for developing damage models for composite materials. In this study, a …

[HTML][HTML] Three-dimensional mechanical behavior of composite with fibre-matrix delamination through homogenization of micro-structure

SPH Skovsgaard, S Heide-Jørgensen - Composite Structures, 2021 - Elsevier
Delamination is a crucial failure mode of fibre composites and layered materials in general.
Delamination, or interfacial failure, leads to loss of stiffness and load-carrying capacity and …

Modeling of geometric configuration and fiber interactions in short fiber reinforced composites via new modified Eshelby tensors and enhanced mean-field …

E Rashidinejad, H Ahmadi, M Hajikazemi… - Mechanics of …, 2021 - Elsevier
Determination of the effective elastic properties of unidirectional short fiber reinforced
composites (SFRCs) is a key fundamental requirement which is usually estimated by mean …

[HTML][HTML] Mechanical behavior of multilayer graphene reinforced epoxy nano-composites via a hierarchical multi-scale technique

H Ahmadi, M Jahanshahi, AR Khoei, S Bordas - Carbon Trends, 2021 - Elsevier
In this paper, a multi-scale technique is presented to study the mechanical behavior of nano-
composites by linking the atomistic information from lower scale to the continuum model in …

Study of composite polymer degradation for high pressure hydrogen vessel by machine learning approach

K Kadri, A Kallel, G Guerard, AB Abdallah… - Energy …, 2024 - Wiley Online Library
The aim of this article is to study the degradation of a composite material under static
pressure. The high pressure condition is similar to the one encountered inside hydrogen …

[HTML][HTML] Prediction of matrix crack initiation and evolution and their effect on the stiffness of laminates with off-axis plies under in-plane loading

CA Socci, C Kassapoglou - Composites Science and Technology, 2020 - Elsevier
A model is described which allows the exact calculation of stresses in a cracked ply under
combined state of strain. Closed form expressions for the stresses in each ply are combined …

Crack density estimation method for composite laminates based on discrete form stiffness degradation models

J Ye, M Yuan, X Chen, Z Liu, W Yang… - Mechanics of …, 2024 - Taylor & Francis
Matrix cracking of composite laminates leads to stiffness degradation and dominates the
medium leakage of liner-less composite vessels. A stiffness degradation model can be …