Browsing by Author "Aydin, Levent"

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    Stochastic Optimization and Modeling of High-Velocity Impact Tests on High-Temperature Carbon-Carbon Composites
    (Springer Int Publ Ag, 2021) Aktas, Latif Tibet; Aydin, Levent
    In this study, it is intended to optimize a high-velocity impact case of a composite plate.The case selected from literature focused on the failure response of advanced carbon-carbon (C/C) composites under high-velocity impacts. Based on the stochastic optimization method, three unique models are introduced within the present study's scope as dimensionless damage areas of front and back sides and the composite impact energy response. The difference between the equations found in the present study and the base study is the number of variables. Obtained prediction models consist of only the tests' input variables; thus, these models can be considered the essential prediction functions of high-velocity impact response of C/C composites under high temperatures. Multiple nonlinear regression method is used for objective functions of the optimization problem. Since the determination coefficient values have been found quite similar to the ones in the literature, the presented models can be considered successful in predicting the results. By utilizing the novel regression functions presented in this study, the damaged areas are minimized. Without the necessity of experimental research, further predictions can be made by operating the models found in the present study.