Abstract
This paper deals with a simulation method of the ground vibration around multiple structures resting on a visco-elastic ground excited by waves radiated from a moving source. Based on 2.5-D analysis, the simulation method consists of two methods. The one is for obtaining the driving force of structures due to the moving source in the frequency domain and the other is for calculating the ground vibration caused by the vibration of structures excited by the driving force. The ground vibration is obtained as the sum of the vibration due to the moving source in the free wave field and the vibration due to waves radiated from structures in the scattered wave field in the frequency domain and it is transformed into the time domain. The effect of the movement of excitation on the vertical ground vibration is evaluated by observing time series of the vibration.
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