SDOF oscillator

\[ m \ddot{u} + c\dot{u} + ku = f(t)\]

Mass, m

Damping, c

Stiffness, k

Natural frequency, ω_n

Natural period, T_n

Displacement, u₀

Velocity, \(\dot{u}_0\)

Type (trianglur impulse, sine wave, f/t data)

Impulse peak force

Impulse duration, t_d

Timestep, Δt

Duration

Peak displacement