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In order to solve the contradiction between lightweight and noise of a vibrating cantilever beam, active control actuated by piezoelectric ceramics is presented in this study. The dynamic model of the cantilever beam is established by finite element method (FEM). The piezoelectric actuator excited by control signal is bonded near the fixed end of the cantilever beam to suppress the beam's first vibration...
Efficient mechanical tools for the structural optimization of variable fixation apparatuses are presented in this study. The defect model prepared from 24 ulna-radius specimens are fixated respectively and randomly with new designed internal fixation panel, AO 4 holes panel, one-side external fixation bracket of Zimmer and negative comparison group, different experimental data are analyzed. Through...
Physical simulation of virtual numerical control manufacture process was researched based on finite element method. Cutting force and wear model of ball-end milling cutter were established. A program which can regenerate finite element model of working piece and cutter was design by parameter language design, so that manufacture process can be simulated real-timely. This research provides technologic...
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