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《Sichuan Building Science》 2013-04
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Study on wind load distribution of spherical shell under typhoon

FENG Haiying,GAO Hongjun,LIU Deqian(College of Civil Engineering,Hebei University of Engineering,Handan 056038,China)  
Based on the Reynolds-averaged Navier-Stokes equations and SST k-ω turbulence model,wind load on roof of spherical shell structure are carried out by numerical simulation under typhoon.Firstly,wind load shape coefficient on spherical roof in reference was investigated with numerical simulation technique.Compared with wind tunnel data in reference,the computed result is agreed well with the other result,and verifies the applicability of computing method and the selected parameters of turbulence model.Then wind load shape coefficients on roof of spherical shell are carried out by mean of numerical simulation under different turbulence intensities and the rise-span ratios.Meanwhile,the influence of the turbulence intensity and the rise-span ratio on the distribution of wind load is analyzed.
【CateGory Index】: TU312.1
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