[HTML][HTML] Effect of delamination on the stochastic natural frequencies of composite laminates

T Mukhopadhyay, S Naskar, PK Karsh, S Dey… - Composites Part B …, 2018‏ - Elsevier
The coupled effect of manufacturing uncertainty and a critical service-life damage condition
(delamination) is investigated on the natural frequencies of laminated composite plates. In …

Delamination onset in symmetric cross-ply laminates under static loads: Theory, numerics and experiments

PA Carraro, E Novello, M Quaresimin, M Zappalorto - Composite Structures, 2017‏ - Elsevier
In this paper, the delamination onset from transverse cracks in composite cross-ply
laminates under static loadings is thoroughly investigated. Initially, an analytical solution is …

An experimental study of the behaviour of delaminations in composite panels subjected to bending

W Gong, J Chen, EA Patterson - Composite Structures, 2015‏ - Elsevier
Delamination is one of the most common forms of damage suffered by laminated composites
and often occurs as a consequence of manufacturing defects or an impact. This paper …

Natural frequencies of delaminated composite rotating conical shells—a finite element approach

S Dey, A Karmakar - Finite Elements in Analysis and Design, 2012‏ - Elsevier
This paper presents the effect of rotational speeds on free vibration characteristics of
delaminated twisted graphite–epoxy cross-ply composite conical shells employing finite …

Characteristic damage state of symmetric laminates subject to uniaxial monotonic-fatigue loading

H Pakdel, B Mohammadi - Engineering Fracture Mechanics, 2018‏ - Elsevier
Experimental and variational investigation of the onset of matrix crack saturation and
induced delamination initiation are performed in laminates containing mid-ply matrix cracks …

Influence of free edge intralaminar stresses on damage process in CFRP laminates under thermal cycling conditions

MC Lafarie-Frenot, NQ Ho - Composites Science and Technology, 2006‏ - Elsevier
The purpose of this study is to understand the damage mechanisms of CFRP laminate
subjected to repeated thermo-mechanical loads. Thermal cycling tests in oxygen show that …

Damage analysis of laminated composites using a new coupled micro‐meso approach

A Farrokhabadi, H Hosseini‐Toudeshky… - Fatigue & Fracture of …, 2010‏ - Wiley Online Library
In this study, the simplicity and strong physical meaning of micromechanics approach and
capability of mesomechanics approach for damage analysis of structures with complex …

Experimental investigation of the fatigue behavior of glass/epoxy composites evaluated by the stiffness degradation and damage accumulation

W Roundi, A El Mahi, A El Gharad… - Journal of Composite …, 2019‏ - journals.sagepub.com
The present paper deals with the mechanical behavior of glass/epoxy composite materials
under static and cyclic tensile loading. The tested specimens have been made with different …

Experimental observation and energy based analytical investigation of matrix cracking distribution pattern in angle-ply laminates

H Pakdel, B Mohammadi - Theoretical and Applied Fracture Mechanics, 2017‏ - Elsevier
An energy based criteria is developed to predict the leading distribution pattern of matrix
cracks in the damage mode competition in angle-ply laminates of type θ m 1/θ n 2 s subject …

[HTML][HTML] Variational analysis of transverse cracking and local delamination in [θm/90n] s laminates

H Zhang, L Minnetyan - International journal of solids and structures, 2006‏ - Elsevier
A displacement-based variational model is developed to study the effects of transverse
cracking and local delaminations in symmetric composite laminates. In the model, the crack …