We propose a simple experimental method for determining dynamic history of impact loadings on flexible structures using polyvinylidene fluoride (PVDF) films. The dynamic impact history obtained from the proposed method is verified with impact hammers with inbuilt force sensors. The performance of the proposed method is demonstrated with FEM computations based on the acquired impact history to predict the transient responses of a flexible cantilever beam.
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The author C.C. Ma gratefully acknowledges the financial support of this research by the National Science Council under Grant NSC 100-2221-E-002-048-MY3 to National Taiwan University. This paper is also supported under Grant 102R891801 from National Taiwan University. The support by the Zhejiang Provincial Natural Science Foundation of China (Program No. LY12A02005), the Department of Education of Zhejiang Province (Program No. Y201122460), and the National Science Foundation of China (Grant No. 11272282) to K.C. Chuang are also acknowledged.
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Chuang, K., Ma, C. & Chang, C. Determination of Dynamic History of Impact Loadings Using Polyvinylidene Fluoride (PVDF) Films. Exp Mech 54, 483–488 (2014). https://doi.org/10.1007/s11340-013-9802-x
- Dynamic history of impact loadings
- Flexible structure
- Transient response