Characterization of high-velocity impact damage in CFRP laminates: Part II - prediction by smoothed particle hydrodynamics

被引：29
|
作者：
Yashiro, Shigeki [1 ]
Ogi, Keiji [2 ]
Yoshimura, Akinori [3 ]
Sakaida, Yoshihisa [1 ]
机构：
[1] Shizuoka Univ, Dept Mech Engn, Naka Ku, Hamamatsu, Shizuoka 4328561, Japan
[2] Ehime Univ, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
[3] Japan Aerosp Explorat Agcy JAXA, Adv Composite Res Ctr, Mitaka, Tokyo 1810015, Japan
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2014年 / 56卷
关键词：
Polymer-matrix composites (PMCs); Impact behavior; Delamination; Numerical analysis; NUMERICAL-SIMULATION; PRACTICAL ASPECTS; DYNAMIC EVENTS; STEEL SPHERE; PLATES; PENETRATION; BEHAVIOR;
D O I：
10.1016/j.compositesa.2013.04.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High-velocity impact damage in CFRP laminates was studied experimentally and numerically. Part I of this study observed and evaluated near-perforation damage in the laminates and characterized the damage pattern experimentally. Part II predicts the extension of high-velocity impact damage based on smoothed particle hydrodynamics (SPH), which facilitates the analysis of large deformations, contact, and separation of objects. A cross-ply laminate was divided into 0 and 90 layers, and virtual interlayer particles were inserted to express delamination. The damage patterns predicted on the surfaces and cross-sections agreed well with the experiments. The analyzed delamination shape was similar to that resulting from a low-velocity impact, consisting of pairs of fan-shaped delaminations symmetric about the impact point. Finally, the mechanisms of high-velocity impact damage in CFRP laminates are discussed based on the observations and numerical analyses. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：308 / 318
页数：11
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