Tensile post-impact behaviour of thin carbon/epoxy and glass/epoxy hybrid woven laminates - Part II: Numerical study

被引：5
|
作者：
Rogani, A. [1 ,2 ]
Navarro, P. [1 ]
Marguet, S. [1 ]
Ferrero, J-F [1 ]
Lanouette, C. [2 ]
机构：
[1] Univ Toulouse, Inst Clement Ader, UMR CNRS 5312, UPS INSA ISAE Mines Albi, 3 Rue Caroline Aigle, F-31400 Toulouse, France
[2] Airbus Helicopters, 1 Pl Gen Valerie Andre, F-93440 Dugny, France
来源：
COMPOSITE STRUCTURES | 2019年 / 230卷
关键词：
Woven composites; Thin laminates; Hybrid laminates; Post-impact behaviour; Explicit F.E modeling; Damage; LOW-VELOCITY IMPACT; COMPRESSIVE STRENGTH; DAMAGE PREDICTION; FAILURE; COMPOSITES; SIMULATION;
D O I：
10.1016/j.compstruct.2019.111455
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This article concerns the modelling of post-impact damage propagation in thin woven composite laminates. Simulations of low velocity impacts and post-impact quasi-static tension are performed on single-material and hybrid laminates. The modelling is based on the semi-continuous approach implemented into the explicit finite element code RADIOSS. The bundles are modelled with rod elements and a specific damageable shell element is used to stabilize this truss structure. Improvements are brought with the introduction of a compressive failure criterion for the rod elements and the development of a pseudo-plastic law with damaging for in in-plane shear. The results provided by the modelling well correlates the experimental observations in terms of damage propagation and load-displacement curves for all the configurations studied.
引用
收藏
页数：14
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