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Transient vibration occurs out when the force acting on a system suddenly changes. Overshoot of the response is one of the evaluation points of the transient characteristics. However, it is difficult in a multi-degree-of-freedom system to reduce the overshoot without increasing damping. That is because so many vibrational components appear at once and interfere with each other. Sensitivity analysis has been used to improve eigenfrequencies, eigenmodes or transfer functions, but few applications are known in the field of time domain response. In this paper, improvement of the overshoot in transient vibration by sensitivity analysis is discussed.

Transient vibration occurs out when the force acting on a system suddenly changes. Overshoot of the response is one of the evaluation points of the transient characteristics. However, it is difficult in a multi-degree-of-freedom system to reduce the overshoot without increasing damping. That is because so many vibrational components appear at once and interfere with each other. Sensitivity analysis has been used to improve eigenfrequencies, eigenmodes or transfer functions, but few applications are known in the field of time domain response. In this paper, improvement of the overshoot in a transient vibration through the sensitivity analysis is discussed.