Efficient finite element simulation of compression after impact behaviour in quasi-isotropic composite laminates

被引：20
|
作者：
Reiner, Johannes [1 ]
Zobeiry, Navid [2 ]
Vaziri, Reza [3 ]
机构：
[1] Deakin Univ, Fac Sci Engn & Built Environm, Sch Engn, Geelong, Vic, Australia
[2] Univ Washington, Mat Sci & Engn Dept, Seattle, WA 98195 USA
[3] Univ British Columbia, Dept Civil Engn, Composites Res Network, Vancouver, BC, Canada
来源：
COMPOSITES COMMUNICATIONS | 2021年 / 28卷
关键词：
Finite element analysis; Continuum Damage Mechanics; Laminates; Compression after impact; FAILURE MECHANISMS; DAMAGE; STRENGTH;
D O I：
10.1016/j.coco.2021.100967
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
A simple and efficient finite element modelling approach in LS-DYNA is presented for the simulation of residual strength in compression after impact tests of quasi-isotropic IM7/8552 carbon fibre reinforced composite laminates. The modelling strategy has been previously validated for transverse impact test simulations with impact energies ranging from 6 J up to 20 J. These results are used as input to analyse residual strength, quantitative and qualitative damage patterns as well as effects of prediction errors caused by the transverse impact simulations. It is found that residual strength in [45/0/90/ - 45]4s sub-laminate scaled laminates can be predicted reasonably well with a maximum error of 10%, whereas simulations of [452/02/902/ - 452]2s ply scaled laminates yield errors of up to 30%.
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页数：5
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