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Viscous damping of vibration systems by the size of the movement while in the opposite direction velocity is proportional to the resistance caused by the energy loss. Viscous damping vibration occurred in the objects generated within the deformation process. Vibrating objects, some of the vibration energy dissipation in the material within the role of viscous friction and is converted to heat. In the actual vibration systems, in addition to viscous damping, there are dry damping (such as bearings or parts within the junction of the friction effect) and other energy loss. However, much of vibration and viscous damping caused by the loss of an advantage, when vibration amplitude by the time decay law of geometric progression.
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粘性阻尼is energy loss of movement of 成正比的size and speed but opposite in direction in vibration system， it happens while the process of shape transformation caused by vibration inside the object.during vibration, pa