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Shaker Force

The shaker force required is independent of frequency and is calculated by the following force equaion using weight in place of mass and acceleration in normalized units of standard g's.

Shaker Force= (Payload weight + Fixture weight + shaker Armature weight) X Acceleration

Units:
Sine: pounds force peak = (pounds + pounds + pounds) X G's peak
Random: pounds force rms = (pounds + pounds + pounds) X G's rms
Shaker Displacement
The shaker displacement required is a function of frequency. The following table of sinusoidal motion equations can be used to calculate the required displacements for sine vibration. Random displacement must be calculated from integrated acceleration spectra information. The simplified equations below can be used in some cases. Refer to the engineering reference material on random for more complex spectrum shapes.
Sinusoidal Equations of Motion

Acceleration, Velocity, Displacement and Frequecy are all inter-dependent functions and specifying any two fully defines the motion including the remaining two variables.
 
  
  
  
  
  
  
  
  
  
  
  
  
 
Random Vibration Equations (Gaussian)
 
 
 
 
 
Mechanically Resonant Systems
 
 
 
 
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