TY - JOUR
T1 - Effect of damage on the vibration modal of a novel three-dimensional and four-directional braided composite T-beam
AU - Pei, Xiaoyuan
AU - Chen, Li
AU - Li, Jialu
AU - Tang, Youhong
AU - Chen, Kuifu
PY - 2016/2/1
Y1 - 2016/2/1
N2 - The effect of damage on the modal properties of a three-dimensional (3Dim) and four-directional (4Dir) braided composite T-beam was investigated by means of modal experiments and finite element analysis (FEA). The experimental tests on these damaged T-beams showed alteration of the vibration mode response. The damage obviously changed the mode shape curvatures. The influence of the damage upon the modal shape curvatures of the T-beam could be used to detect and localize the damage. Finite element modeling (FEM) of the damaged T-beam revealed that the damage affected the natural frequency of the T-beam but did not affect its modal shape.
AB - The effect of damage on the modal properties of a three-dimensional (3Dim) and four-directional (4Dir) braided composite T-beam was investigated by means of modal experiments and finite element analysis (FEA). The experimental tests on these damaged T-beams showed alteration of the vibration mode response. The damage obviously changed the mode shape curvatures. The influence of the damage upon the modal shape curvatures of the T-beam could be used to detect and localize the damage. Finite element modeling (FEM) of the damaged T-beam revealed that the damage affected the natural frequency of the T-beam but did not affect its modal shape.
KW - A. Polymer-matrix composites (PMCs)
KW - C. Finite element analysis (FEA)
KW - D. Non-destructive testing
KW - E. Braiding
UR - http://www.sciencedirect.com/science/article/pii/S1359836815005570
UR - http://www.scopus.com/inward/record.url?scp=84945143712&partnerID=8YFLogxK
U2 - 10.1016/j.compositesb.2015.09.022
DO - 10.1016/j.compositesb.2015.09.022
M3 - Article
SN - 1359-8368
VL - 86
SP - 108
EP - 119
JO - COMPOSITES PART B-ENGINEERING
JF - COMPOSITES PART B-ENGINEERING
ER -