[HTML][HTML] A discrete crack informed 3D continuum damage model and its application for delamination migration in composite laminates

DC Pham, X Cui, X Ren, J Lua - Composites Part B: Engineering, 2019 - Elsevier
An accurate characterization of intra-and inter-laminar damage is essential for the prediction
of the damage onset and evolution in composite laminates. This paper presents a discrete …

Comparison of composite damage growth tools for static behavior of notched composite laminates

SP Engelstad, SB Clay - Journal of Composite Materials, 2017 - journals.sagepub.com
This paper provides overall comparisons of the static results of an Air Force Research
Laboratory exploration into the state of the art of existing technology in composite …

[HTML][HTML] Computational analysis of the failure mechanisms of a laminated composite in double-edge notch compression configuration

A Faupel, C Oskay - Composite Structures, 2024 - Elsevier
This manuscript presents a combined experimental-computational investigation of the
compression failure response of laminated composites in double-edge notch compression …

Detection of barely visible impact damage in polymeric laminated composites using a biomimetic tactile whisker

S Fotouhi, S Khayatzadeh, WX Pui, M Damghani… - Polymers, 2021 - mdpi.com
This is a novel investigation on the possibility of detecting barely visible impact damage
(BVID) in composite materials by whisking across the surface via tactile whisker sensors that …

A three-dimensional progressive damage model for drop-weight impact and compression after impact

DC Pham, J Lua, H Sun… - Journal of Composite …, 2020 - journals.sagepub.com
In this paper, an enhanced three-dimensional continuum damage mechanics model is
applied to predict the drop-weight impact response and compression after impact failure of a …

Multiscale crack band model for eigenstrain based reduced order homogenization

R Bhattacharyya, PK Basu - Computational Mechanics, 2020 - Springer
A multiscale crack band model is proposed to alleviate spurious mesh size dependence in
the solution for a strain softening constitutive model. A continuum damage mechanics-based …

Prediction of the ultimate strength of notched and Unnotched IM7/977-3 laminated composites using a micromechanics approach

M Masud, MSMA Kharusi, MU Ali, A Mubashar… - Polymers, 2021 - mdpi.com
This paper proposes a multi-scale analysis technique based on the micromechanics of
failure (MMF) to predict and investigate the damage progression and ultimate strength at …

Micromechanics-enriched finite element modeling of composite structures with fiber waviness and void defects

A Hyde, L Liu, X Cui, J Lua - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
Voids and fiber waviness are two of the most common types of defects induced during the
fabrication process of composites. The objective of this work is to quantify the negative …

Discrete crack informed continuum damage mechanics model in composite laminates

X Cui, J Lua - AIAA Scitech 2020 Forum, 2020 - arc.aiaa.org
Continuum damage mechanics (CDM) approaches have been used widely in the
characterization of the mechanical response of composite laminates. However, these …

[HTML][HTML] Comparison of diagnostic techniques to measure damage growth in a stiffened composite panel

S Clay, K Brown, C Jenkins, M Hall, P Knoth… - Composites Part A …, 2020 - Elsevier
A research study was performed during which a hat-stiffened composite panel was
manufactured and tested in order to assess the abilities of four advanced diagnostic tools to …