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Structural Engineering and Mechanics Volume 69, Number 5, March10 2019 , pages 479-486 DOI: https://doi.org/10.12989/sem.2019.69.5.479 |
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The finite element model of pre-twisted Euler beam based on general displacement solution |
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Ying Huang, Changhong Chen, Haoran Zou and Yao Yao
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| Abstract | ||
| Based on the displacement general solution of a pre-twisted Euler-Bernoulli beam, the shape function and stiffness matrix are deduced, and a new finite element model is proposed. Comparison analyses are made between the new proposed numerical model based on displacement general solution and the ANSYS solution by Beam188 element based on infinite approach. The results show that developed numerical model is available for the pre-twisted Euler-Bernoulli beam, and that also provide an accuracy finite element model for the numerical analysis. The effects of pre-twisted angle and flexural stiffness ratio on the mechanical property are also investigated. | ||
| Key Words | ||
| pre-twisted; Euler-Bernoulli beam; general solution; finite element; parametric analysis | ||
| Address | ||
| Ying Huang: School of Civil Engineering, Xi\'an University of Architecture and Technology, Xi\'an, 710055, China Changhong Chen, Haoran Zou and Yao Yao: School of Mechanics and Civil Engineering, Northwestern Polytechnical University, Xi\'an, 710129, China | ||