期刊
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
卷 45, 期 10, 页码 959-968出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2009.07.002
关键词
Debonding; Sandwich plates; Free vibration analysis; Finite element predictions
类别
The dynamic behavior of partially delaminated at the skin/core interface sandwich plates with flexible cores is studied. The commercial finite element code ABAQUS is used to calculate natural frequencies and mode shapes of the sandwich plates containing a debonding zone. The influence of the debonding size, debonding location and types of debonding on the modal parameters of damaged sandwich plates with various boundary conditions is investigated. The results of dynamic analysis illustrated that they can be useful for analyzing practical problems related to the non-destructive damage detection of partially debonded sandwich plates. (C) 2009 Elsevier Ltd. All rights reserved.
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