A progressive analysis of matrix cracking-induced delamination in composite laminates using an advanced phantom node method

被引:20
|
作者
Reiner, Johannes [1 ,2 ]
Veidt, Martin [1 ,2 ]
Dargusch, Matthew [1 ,2 ]
Gross, Lutz [3 ]
机构
[1] Univ Queensland, Sch Mech & Min Engn, Brisbane, Qld, Australia
[2] Univ Queensland, Sch Mech & Min Engn, Ctr Adv Mat Proc & Mfg AMPAM, Brisbane, Qld, Australia
[3] Univ Queensland, Sch Earth Sci, Brisbane, Qld, Australia
关键词
Computational mechanics; finite element analysis; delamination; matrix cracking; TRANSVERSE CRACKING; COHESIVE ELEMENTS; STIFFNESS REDUCTION; BAND PROPAGATION; DAMAGE; SIMULATION; FAILURE; DISCONTINUITIES; MODEL; INITIATION;
D O I
10.1177/0021998316684203
中图分类号
TB33 [复合材料];
学科分类号
摘要
Matrix cracking-induced delamination in composite laminates is qualitatively and quantitatively investigated in a finite element framework. The phantom node method is extended to incorporate breakable interfaces at transverse matrix crack tips. New user-defined element types in Abaqus improve the numerical stability in a geometrically nonlinear analysis. The new formulation allows for accurate prediction of matrix crack density and stiffness reduction in a number of composite laminates. Furthermore, the advanced phantom node method is able to simulate progressive matrix cracking-induced delamination with good accuracy.
引用
收藏
页码:2933 / 2947
页数:15
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