Math Problem Statement
一机械设备可简化为粘滞阻尼的单自由度系统,参数为m,c和k。已知原系统为小阻尼系统,且其静位移为δ_st。设计人员期望在保持质量不变的情况下,将设备的静位移减少1半,同时保持系统的阻尼比不变。问是否可能?并简要说明原因。
Solution
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Math Problem Analysis
Mathematical Concepts
Mechanical Vibration
Damping Ratio
Stiffness
Hooke's Law
Formulas
Static displacement: δ_st = F / k
Damping ratio: ζ = c / (2 * sqrt(k * m))
Theorems
Hooke's Law
Damped Harmonic Oscillator
Suitable Grade Level
University level (Mechanical Engineering or Applied Physics)
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