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Based on the fundamental dynamic equations of functionally graded material (FGM) cylindrical shell, this paper investigates the sound radiation of vibrational FGM shell in water by mobility method. This model takes into account the exterior fluid loading due to the sound press radiated by the FGM shell. The FGM cylindrical shell was excited by a harmonic line radial force uniformly distributing along...
The characteristics of vibration and sound radiation from a finite FGM cylindrical shell with the outer shell coated with compliant layer are systematically studied. The shell's motion function is expressed by FGM shell motion, whereas the layer motion is described by means of the three-dimensional Navier equations whose displacement solutions are expressed by Taylor expansion along the layer thickness...
Magnetorheological (MR) damper is a kind of semi-active device. Its damping can be controlled by input electrical currents. In this paper, a modified bi-viscous and hysteretic model is proposed to describe the bi-viscous and hysteretic behaviors of MR damper. The model parameters have direct physical significance to the MR damper properties. An analytical solution for a SDOF system with skyhook damping...
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