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Title: Stochastic thunderstorm model for dynamic response assessment
Authors: Sien, Michael Hay Wah
Keywords: DRNTU::Social sciences::Geography::Physical geography
Issue Date: 2007
Source: Sien, M. H. W. (2007). Stochastic thunderstorm model for dynamic response assessment. Master’s thesis, Nanyang Technological University, Singapore.
Abstract: Thunderstorm winds have been known to be highly non-stationary as compared to other large scale winds like monsoons. The highly localized nature of these winds generates ferocious winds at low to mid-height, deviating from the boundary layer wind profile that most building codes recognized. The thunderstorm downdraught rushes down vertically and spreads out radially like a wall-jet. Highest wind speeds are registered at locations which are nearest to the storm cell centre. The collection of thunderstorm data by an existing facility in the Nanyang Technological University campus provides the means by which a stochastic thunderstorm model may be constructed. The random nature of natural wind allows computation of stochastic response by using the random vibration theory. The thunderstorm time-history can be modelled by two separate parts: the non-stationary mean and the stochastic part.
DOI: 10.32657/10356/12003
Rights: Nanyang Technological University
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Theses

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