Journal ArticleDOI
High velocity impact response of composite laminates using modified meso-scale damage models
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TLDR
In this paper, the impact response of quasi-isotropic carbon fiber reinforced polymeric laminates cured from unidirectional plies is studied using finite element models. But the authors focus on the intraply meso-model originally proposed by Ladeveze (LMT-Cachan) for the ply behavior based on continuum damage mechanics, and take into account ply fracture energies and in-situ strengths.About:
This article is published in International Journal of Impact Engineering.The article was published on 2021-01-01. It has received 7 citations till now. The article focuses on the topics: Composite laminates & Finite element method.read more
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Experimental analysis and simulation of low-velocity impact damage of composite laminates
TL;DR: In this paper , both experimental and numerical analyses are performed covering a large design-space of laminates for all aspects from on-set of damage and barely visible impact damage up to clearly visible impact damages and full penetration of the laminated composite coupons, and an extensive validation test program of several configurations and impact energies has been performed, thus demonstrating that the simulations are capable of accurately predicting the damage and failure mechanisms under low-velocity impact loading.
Journal ArticleDOI
Stochastic fatigue life prediction of Fiber-Reinforced laminated composites by continuum damage Mechanics-based damage plastic model
TL;DR: In this paper, an elastic-plastic bridging model is proposed to estimate the fiber, matrix, and fiber/matrix damage response at the ply scale for composite laminates under fatigue conditions.
Journal ArticleDOI
Damage modelling of carbon fibre composite crush tubes: Numerical simulation and experimental validation of drop weight impact
TL;DR: In this paper , high-fidelity computational modeling of the dynamic impact response was performed using explicit finite element analysis in LS-DYNA, and the numerical predictions showed excellent correlation with experimental measurements in terms of both the damage mechanisms and macroscopic material behaviour of the drop weight.
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Study on impact resistance of composite rocket launcher
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Influence of Strain-Rate Related Parameters on the Simulation of Ballistic Impact in Woven Composites
TL;DR: In this paper , three meso-heterogeneous models for 2D woven glass-fibre composites under impact loading were built considering strain rate-dependent strength, modulus and failure strain, coupled with macro-homogeneous models with and without the strain rate effect on strength.
References
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Journal ArticleDOI
Crack band theory for fracture of concrete
Zdeněk P. Bažant,Byung H. Oh +1 more
TL;DR: In this article, a fracture theory for a heterogenous aggregate material which exhibits a gradual strain-softening due to microcracking and contains aggregate pieces that are not necessarily small compared to structural dimensions is developed.
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Measurement of mixed-mode delamination fracture toughness of unidirectional glass/epoxy composites with mixed-mode bending apparatus
Malk Benzeggagh,M. Kenane +1 more
TL;DR: In this paper, the authors evaluated the initiation of cracking and delamination growth in a unidirectional glass/epoxy composite under mode I, mode ZZ, and mixed mode I + II static loading.
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A Progressive Damage Model for Laminated Composites Containing Stress Concentrations
Fu-Kuo Chang,Kuo-Yen Chang +1 more
TL;DR: In this article, a progressive damage model for notched laminated composites subjected to tensile loading is presented, which is capable of assessing damage in laminates with arbitrary ply-orientations and of predicting the ultimate tensile strength of the notched Laminates.
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Progressive damage modeling in fiber-reinforced materials
Ireneusz Lapczyk,Juan A. Hurtado +1 more
TL;DR: In this article, an anisotropic damage model suitable for predicting failure and post-failure behavior in fiber-reinforced materials is presented, which is intended to predict behavior of elastic-brittle materials that show no significant plastic deformation before failure.