Math Problem Statement
单自由度系统受到谐波荷载 P(t) = 49sin(wt) (unit: N)的作用, 当外荷载周期T=0.2 sec时发生共振,最大位移为 0.50 cm。假定小阻尼系统,确定系统的阻尼系数
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Harmonic Loading
Resonance
Damping Coefficient
Single Degree of Freedom System
Formulas
ω = 2π/T
X_max = (P0 / k) * (1 / 2ζ)
k = mω_n^2
Theorems
Resonance condition: external load frequency equals natural frequency
Suitable Grade Level
University-level Mechanical Engineering or Physics
Related Recommendation
Forced Oscillations: Solving a Spring-Mass System with External Force
Mass-Spring System with External Force: Equation of Motion
Mechanical System Displacement Solution with Damping and Frequency
Calculate Maximum Displacement and Displacement at 10 Seconds
Resonant Frequency and Maximum Inductor Current in Series LC Circuit