Vibration of a laminated composite plate with closing delamination

被引：0
|
作者：
Zak, A. [1 ]
Krawczuk, M. [1 ]
Ostachowicz, W. [1 ]
机构：
[1] Inst. of Fluid Flow Machinery PASci, ul. Gen. J.Fiszera 14, PL-80-952 Gdańsk, Poland
来源：
Key Engineering Materials | 1999年 / 167卷
关键词：
Boundary conditions - Delamination - Failure (mechanical) - Fast Fourier transforms - Finite element method - Interfaces (materials) - Laminated composites - Loads (forces) - Mathematical models - Natural frequencies - Structural analysis - Vibrations (mechanical);
D O I：
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中图分类号：
学科分类号：
摘要：
The vibration of a laminated composite plate with closing delamination is analysed in the present paper using the finite element method. The effect of delaminated layers is modelled by using additional boundary conditions in the delamination front. Contact forces between delaminated layers are also considered in the model. The influence of delamination length and position on changes in natural frequencies of the plate is investigated. The plate is vibrated by a harmonic force or by a force impulse and the resulting time series are analysed using FFT. Results of the numerical calculations are compared against experimental data for laminated composite plates.
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页码：17 / 26
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