// multi-utility computation suite · offline · instant · precise
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sci.vibration-transmissibility-ratio Calculator
Calculates vibration transmissibility ratio through an isolation system and determines the isolation frequency above which it attenuates. Transmissibility > 1 near resonance — damping reduces peak transmissibility but worsens high-frequency isolation trade-off.
Inputs
R Freq Ratio
Cycles per second (Hz). Audible sound: 20 Hz – 20 kHz. Make sure units match what the formula expects.
Zeta
Reference formula or conversion factor shown for context.
Results
transmissibility ratio TR
The proportional relationship between two quantities.
transmissibility (dB)
Sample size or count used in the calculation.
frequency ratio r = ω/ωn
The proportional relationship between two quantities.
TR = √(1+(2ζr)²)/√((1−r²)²+(2ζr)²)
Reference formula or conversion factor shown for context.