Free And Forced Vibrations

Free And Forced Vibrations

Product Details:


Product Description

Free And Forced Vibrations


  • Free and forced vibrations of a rigid beam and spring
  • Free and forced vibrations of a flexible pinned–pinned simply supported) beam
  • Using Rayleigh’s approximation to predict vibration frequenc
  • Frequency of oscillation and varying mass
  • Finding the ‘beam only’ frequency using Dunkerley’s Method
  • Phase difference between displacement, its derivatives and measured acceleration
  • Damped free and forced oscillations and damping coefficient
  • Phase relationship between the applied force and beam position for different damping values
  • Demonstration of a 2 degree of freedom (2DOF) system
  • Demonstration of an undamped vibration absorber

Operating Conditions

  • Operating environment: Laboratory environment
  • Storage temperature range: –25°C to +55°C (when packed for transport)
  • Operating temperature range: +5°C to +40°C
  • Operating relative humidity range: 80% at temperatures < 31°C decreasing linearly to 50% at 40°C


  • Nett dimensions and weight: 1280 wide x 450 mm front to back x 800 mm high(assembled) and 80 kg
  • Other parts approximately 4 kg
  • Approximate packed dimensions and weight: 1 m 3 and 120 kg

Other Parts Included

  • Storage tray and tools
  • Spring for beam and spring tests
  • Dashpot damper
  • 500 mL of non-toxic fluid (for dashpot damper)
  • Vibration absorber
  • 5 x 400 g masses



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