蠕变与机械振子阻尼
Creep and Mechanical Oscillator Damping
摘要:
虽然“摩擦”包括在许多模型的振荡器阻尼,包括粘性的应用到钟摆,他们“错过了标记”方面的概念理解的机制负责能量损失。本文的理论纠正了这些误解,考虑内部摩擦的影响,这是来自振荡器的结构构件,通过二次而不是主要的蠕变。该简单模型能较好地描述Q值随频率的变化。
英文摘要:
Although "friction" is included in many models of oscillator damping, including viscous ones applied to the pendulum; they "miss the mark" with regard to a conceptual understanding of the mechanisms responsible for energy loss. The theory of the present paper corrects some of these misunderstandings by considering the influence of internal friction which derives from the structural members of the oscillator through secondary rather than primary creep. The simple model properly describes the variation of Q with frequency.
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