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Seminar khoa hoc

9h00 – 10h00: TS. Lê Văn Hùng (Khoa Cơ khí chế tạo, Trường Cao đẳng Công nghệ cao Đồng Nai) trình bày đề tài "Vibration-Assisted Machining (VAM)"

10h00 – 11h00: ThS. Lê Trí Đạt (AIMaS, TDTU) trình bày đề tài: "Characteristic frequency equation and the semi-empirical formula for the coupling strength in cantilever array"


In this report, we present a semi-empirical formula for the coupling strength of cantilevers in an array through a characteristic frequency equation of overhang-shaped cantilevers.  Based on the frequency equation, frequencies of a single cantilever (T or overhang shapes) can obtain. Furthermore, the results reveal the number of optimum values of the frequencies corresponding to the mode shapes with various shapes in a single cantilever. It shows a good agreement between the theoretical model and the values obtained in experiments by other studies.