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A quasi-three-dimensional elastic wave propagation analysis for laminated composites |
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| Authors: | Tsuyoshi Nishiwaki Atsushi Yokoyama Zen-ichiro Maekawa Hiroyuki Hamada |
| Affiliation: | a ASICS Corporation, Takatsukadai, Nishi-ku, Kobe, Japan b Faculty of Education, Mie University, Mie, Japan c Faculty of Textile Science, Kyoto Institute of Technology, Kyoto, Japan |
| Abstract: | Localized impact problems for composite structures have recently become important. In this study, some elastic wave velocities in 7-ply GFRP laminate with [02/903/02] ply orientation after low speed impact was investigated by using both experimental methods and finite element methods. For the finite element simulation, the quasi-three-dimensional model was used. Comparing the results, the validity for the application of this model to the dynamic problem was estimated. Moreover the quasi-three-dimensional model is applied to the GFRP plates with interlaminar delamination. The relationship between the elastic wave velocities and delaminated states is discussed. |
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