For a single degree-of-freedom (SDOF) system with mass, damping, and stiffness, should the period (in sec)...

Transcribed Image Text:

For a single degree-of-freedom (SDOF) system with mass, damping, and stiffness, should the period (in sec) of the response in free vibration be computed based on the undamped natural frequency (wn) or the damped natural frequency (wa)? Explain your answer. For a single degree-of-freedom (SDOF) system with mass, damping, and stiffness, should the period (in sec) of the response in free vibration be computed based on the undamped natural frequency (wn) or the damped natural frequency (wa)? Explain your answer.