Finite element analysis of the Golden Gate Bridge

Zixuan Wang; Runchen Zhu; Junyi Gao; Junran Jiang

doi:10.1117/12.2674963

23 May 2023 Finite element analysis of the Golden Gate Bridge

Zixuan Wang, Runchen Zhu, Junyi Gao, Junran Jiang

Proceedings Volume 12604, International Conference on Computer Graphics, Artificial Intelligence, and Data Processing (ICCAID 2022); 126040T (2023) https://doi.org/10.1117/12.2674963
Event: 2nd International Conference on Computer Graphics, Artificial Intelligence, and Data Processing (ICCAID 2022), 2022, Guangzhou, China

Abstract

As a miracle of bridge engineering, it is meaningful to analyze the stability of the Golden Gate Bridge. This paper focuses on the finite element method to analyze the Golden Gate Bridge’s performance on loading. In this work, ANSYS is used to build a simplified model of the Golden Gate Bridge without cables. There are six modes of the deformation of the bridge, and there are six different frequencies. The natural frequency of the bridge is 0.055Hz. Because this simplified model does not have cables to reduce the deformation, the average frequency is 0.07737 Hz which is 0.02237 Hz higher than the natural frequency. Moreover, after analyzing the harmonic response, the largest equivalent stress is 1.5487e⁷ Pa at joints of the bridge when the frequency is 0.0268 Hz and the sweep phase is -56.649 degrees. As a result, the analysis of the bridge based on the models in Ansys clearly shows the stability of the bridge.

Citation Download Citation

Zixuan Wang, Runchen Zhu, Junyi Gao, and Junran Jiang "Finite element analysis of the Golden Gate Bridge", Proc. SPIE 12604, International Conference on Computer Graphics, Artificial Intelligence, and Data Processing (ICCAID 2022), 126040T (23 May 2023); https://doi.org/10.1117/12.2674963

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