DocumentCode
532535
Title
Notice of Retraction
Study on turbulent characteristics of downburst winds using computational simulation method
Author
Baifeng Ji ; Weilian Qu ; Liang Wang
Author_Institution
Hubei Key Lab. of Roadway Bridge & Struct. Eng., Wuhan Univ. of Technol., Wuhan, China
Volume
3
fYear
2010
fDate
22-24 Oct. 2010
Abstract
Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Thunderstorm downbursts, which are sources of extreme wind loadings in nature, have caused numerous structural failures, especially collapses of transmission tower around the world. It is important to study flow characteristics of downburst winds from the perspective of wind-resistant design for downburst-induced high intensity winds. In this paper, the turbulent characteristics of downburst winds were studied using computational simulation method. Firstly, the wind field of downburst was computational simulated using time-filtered Reynolds Averaged Navier-Stokes (RANS) numerical computational method. Then, the turbulent characteristics of downburst winds during the outbreak stage, development stage and diffusion stage, especially impinging ground stage of the whole formation and diffusion process were studied in detail. The results indicate that the turbulent characteristics of downburst winds present quite different characteristics at different time during the whole formation and diffusion process.
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Thunderstorm downbursts, which are sources of extreme wind loadings in nature, have caused numerous structural failures, especially collapses of transmission tower around the world. It is important to study flow characteristics of downburst winds from the perspective of wind-resistant design for downburst-induced high intensity winds. In this paper, the turbulent characteristics of downburst winds were studied using computational simulation method. Firstly, the wind field of downburst was computational simulated using time-filtered Reynolds Averaged Navier-Stokes (RANS) numerical computational method. Then, the turbulent characteristics of downburst winds during the outbreak stage, development stage and diffusion stage, especially impinging ground stage of the whole formation and diffusion process were studied in detail. The results indicate that the turbulent characteristics of downburst winds present quite different characteristics at different time during the whole formation and diffusion process.
Keywords
Navier-Stokes equations; computational fluid dynamics; flow simulation; geophysical fluid dynamics; geophysics computing; thunderstorms; turbulent diffusion; wind; RANS numerical computational method; computational simulation method; development stage; diffusion process; diffusion stage; downburst winds; downburst-induced high intensity winds; flow characteristics; ground stage; outbreak stage; structural failures; thunderstorm downbursts; time-filtered Reynolds averaged Navier-Stokes numerical computational method; transmission tower collapse; turbulent characteristics; wind loadings; wind-resistant design; Stress; computational simulation method; downburst; numerical simulation; turbulent characteristics;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer Application and System Modeling (ICCASM), 2010 International Conference on
Conference_Location
Taiyuan
Print_ISBN
978-1-4244-7235-2
Type
conf
DOI
10.1109/ICCASM.2010.5620697
Filename
5620697
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