Resonance Analysis ยท Frequency Separation ยท GMRC Guidelines
Foundation Natural Frequency
Calculate foundation natural frequencies and verify adequate separation from compressor operating speed. Per GMRC guidelines, foundation natural frequencies should be at least 20% away from operating speed and harmonics. Horizontal modes typically 5-8 Hz; vertical/rocking modes 20-24 Hz.
Foundation Properties
lbs
lbs
ft
ft
Soil Properties
psi
-
-
Operating Conditions
RPM
RPM
Analysis Parameters
๐ Learn the Theory
Foundation dynamics, resonance, soil-structure interaction, and vibration control