Finite Element Analysis of Concrete Filled Double Skin Steel Tubes for Wind Turbine Tower

Wei Kong; Hong Liang Wang; Ying Cai

doi:10.4028/www.scientific.net/AMM.680.551

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 680Finite Element Analysis of Concrete Filled Double...

Finite Element Analysis of Concrete Filled Double Skin Steel Tubes for Wind Turbine Tower

Abstract:

In order to save the steel consumption,ensure the better economy of wind turbine tower,this paper designeda new concrete filled double skin steel tube for wind turbine tower,based on the parameters of 1. 5 MW wind turbine tower.A three-dimensional finite element model of wind turbine tower was built by using the finite element software ANSYS,then the static strength analysis and modal analysis were carried out,in which the stress and displacement at the top of the tower were calculated under three kinds of working conditions: normal operation with rated wind speed,normal operation with cutout wind speed and shutdown under extreme wind conditions,the natural frequency and mode shapes of the tower were obtained as well. The results show that the tower does not resonate with blades,and its structure can meet the strength and stiffness requirements of engineering.

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Periodical:

Applied Mechanics and Materials (Volume 680)

Pages:

551-556

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.680.551

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Online since:

October 2014

Authors:

Wei Kong, Hong Liang Wang, Ying Cai

Keywords:

Concrete Filled Double Skin Steel Tubes, Modal Analysis, Resonate, Static Strength Analysis, Wind Turbine Tower

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