Abstract
The Grid-Characteristic Method (GCM) used in this research shows good results in many areas that require modeling of the elastic wave pattern: seismic survey, ultrasound, and failure of fragile materials. Barely visible impact damage that occurs in composites under a low-velocity impact can also be explained in terms of interaction of elastic waves with the complex structure of a composite. One of the most dangerous damage types is delamination because it reduces the longitudinal compression strength of the material. The GCM allows us to use various types of border and contact conditions, including elliptic contact destruction criterion described in this chapter. Several problem statements are considered to demonstrate capabilities of the method. A comparison of numerical and experimental data results in a qualitative agreement.
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The research was supported by the Russian Science Foundation, grant 17-71-10240.
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Beklemysheva, K.A., Vasyukov, A.V., Petrov, I.B. (2019). Numerical Modeling of Delamination in Fiber-Metal Laminates Caused by Low-Velocity Impact. In: Petrov, I., Favorskaya, A., Favorskaya, M., Simakov, S., Jain, L. (eds) Smart Modeling for Engineering Systems. GCM50 2018. Smart Innovation, Systems and Technologies, vol 133. Springer, Cham. https://doi.org/10.1007/978-3-030-06228-6_12
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DOI: https://doi.org/10.1007/978-3-030-06228-6_12
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