Simulation method of simultaneous time-series of multi-local wind forces on tall buildings by using dynamic balance data

Abstract This study discusses the method of simulating simultaneous time-series of multi-local wind forces on tall buildings based on dynamic balance data, taking into consideration up to the 2nd mode of vibration of the building. Because this method does not need complicated experiments, it can be easily applied to the structural design of buildings. Firstly, the method considering the spatial correlation in the vertical direction is proposed. This method divides the power of the 1st modal force among local forces based on the idea of the “reference height”. The parameters of the simulation were assumed considering the results of wind tunnel tests. The simulation of local-wind forces on one face reproduces accurately the results of the wind tunnel tests. Secondly, the method above is developed to simulate the three-components of wind forces simultaneously.