Vibration Analysis

Natural frequencies, damping and forced response of a lumped system.

Vibration Analysis & Isolation

Vibration isolator design, transmissibility analysis, and damping optimization

System Parameters

System Mass

Disturbance Type

Disturbance Frequency

Disturbance Amplitude

Isolator Design

Isolator Type

Material

Number of Isolators

Isolator Diameter

Isolator Height

Targets & Damping

Damping Ratio (ζ)

Target Transmissibility

Max Static Deflection

Material Properties

E = 5 MPa

ρ = 1150 kg/m³

Loss Factor = 0.1

Isolation Performance

Natural Frequency

29.89 Hz

Transmissibility

5.078

Isolation Efficiency

0.0 %

Frequency Ratio (r)

1.00

Static Deflection

0.28 mm

System Stiffness

1763.5 kN/m

Transmitted Force

4510.2 N

Q Factor

5.0

Transmissibility vs Frequency

fn = 29.89 HzIsolation starts: 42.27 HzOperating: 30 Hz (1.0× fn)

Time Response to Harmonic Excitation

Effect of Damping Ratio

Design Summary

Dynamic Performance

Resonance Peak: 5.0×

Half-Power BW: 5.98 Hz

Isolation @ 30 Hz: 14.1 dB

Input Force: 888.3 N

Isolator Stress

Static Stress: 0.062 MPa

Dynamic Stress: 0.113 MPa

Total Stress: 0.176 MPa

Est. Fatigue Life: ∞ cycles

Design Checks

⚠ Operating near/below resonance

✓ Static deflection OK

⚠ Transmissibility above target

Loading…