Wind Engineering Research
Online ISSN : 2435-5429
Print ISSN : 2435-4384
AN EVALUATION METHOD OF EXTREME WIND PRESSURE ON BUILDING FACADES BASED ON MACHINE LEARNING
Yong CAOHaokai WUYaoran CHENDai Zhou
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2022 Volume 27 Pages 77-88

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Abstract
In the wind-resistant design of cladding, existing estimation methods approximate to space-averaged peak loading by temporally filtering the time series measured from a pressure tap. This study applied the machine learning method to reconstruct the pressure distribution on a panel with non-linearity and high spatial resolution (i.e., super-resolution field), which allows the estimation of peak pressure by direct space averaging. The top corner tile of high-rise buildings was focused on, and the super- resolution pressure fields were reconstructed from low-resolution measurements under both windward and leeward conditions. The reproduced time-averaged pressures agree well with experiments. The super-resolution method has higher precision in the prediction of extreme pressure than traditional single-point time-filtered method, and has strong robustness which is independent of selection of individual measurement tap.
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© 2022 Steering Committee of the National Symposium on Wind Engineering
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