Challenges in simulating the wind field for full bridge buffeting response to non-synoptic winds

Standard atmospheric wind simulations typically assume stationary processes with constant statistical properties over time. However, this assumption does not hold for extreme wind events, which exhibit significant low-frequency fluctuations in wind speed and angle of attack. Such characteristics can notably affect the buffeting response of bridges. This study introduces a methodology for creating a synthetic non-synoptic wind scenario based on full-scale monitoring data. The process begins with an analysis of the time-varying wind parameters, which are then used to simulate the event. Results indicate that conventional techniques for stationary events are not always applicable to extreme weather phenomena. Evaluating the spatial distribution of wind characteristics along the bridge deck, particularly in areas without anemometers, poses additional challenges. This generation methodology and a simulation of the aeroelastic response of a bridge case study will be presented at the conference, followed by a comparison of results with full-scale measurements.