Forced Vibration Calculator

Calculate steady-state amplitude, phase angle, and transmissibility for harmonically excited SDOF systems.

System mass.
kg
Spring constant.
N/m
Viscous damping coefficient.
N·s/m
Amplitude of the harmonic excitation force.
N
Frequency of the applied force.
rad/s

Results

Frequency Ratio r-
Steady-State Amplitude-mm
Phase Angle-degrees
Transmissibility-
Static Deflection-mm
References: Rao — Mechanical Vibrations; Den Hartog — Mechanical Vibrations