Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fluctuating Pressure Correlativity Analysis on the Cantilevered Roof of a Stadium
The time-history wind pressure data of the rigid model of an annular large-span cantilever roof of a stadium were obtained by the wind tunnel test. Considering the influence of the vortex shedding, the correlation coefficient and coherence function of along-wind and cross-wind points were analyzed to get the characteristics of the fluctuating pressure correlation of the stadium’s roof. The coherence function curves were fitted and the related coherence function was present. The results show that these characteristics of coherence are all coincide with the correlation coefficient. Compared to the Davenport and Nakamura coherence function models, the present coherence function has the same form with the Davenport and Nakamura's models, and a higher fitting accuracy for the cantilevered roof.
Fluctuating Pressure Correlativity Analysis on the Cantilevered Roof of a Stadium
The time-history wind pressure data of the rigid model of an annular large-span cantilever roof of a stadium were obtained by the wind tunnel test. Considering the influence of the vortex shedding, the correlation coefficient and coherence function of along-wind and cross-wind points were analyzed to get the characteristics of the fluctuating pressure correlation of the stadium’s roof. The coherence function curves were fitted and the related coherence function was present. The results show that these characteristics of coherence are all coincide with the correlation coefficient. Compared to the Davenport and Nakamura coherence function models, the present coherence function has the same form with the Davenport and Nakamura's models, and a higher fitting accuracy for the cantilevered roof.
Fluctuating Pressure Correlativity Analysis on the Cantilevered Roof of a Stadium
Zhang, Hai-Yong (Autor:in) / Chen, Zhao-hui (Autor:in) / Chen, Feng (Autor:in)
2012
8 Seiten
Aufsatz (Konferenz)
Englisch
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