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Dynamic analysis of a rig shafting vibration based on finite element

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Abstract

In recently, finite elements method (FEM) has been used most popular for analysis of stress, vibration, heat flow and many other phenomena. Taking a rig shafting as an example, this paper studies the lateral vibration of the rig shafting with multi-degree-of-freedom by using FEM. The FEM model is created and the eigenvalues and eigenvectors are calculated and analyzed to find natural frequencies, critical speeds, mode shapes and unbalance responses. Then critical and mode shapes are determined. Finally, responses of unbalance force are analyzed in case of undamped and damped system, and peaks of response are compared.

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Authors and Affiliations

  1. School of Power and Mechanical Engineering Wuhan University, Wuhan, 430072, China

    Van Thanh Ngo, Danmei Xie, Yangheng Xiong, Hengliang Zhang & Yi Yang

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  1. Van Thanh Ngo
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  2. Danmei Xie
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  3. Yangheng Xiong
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  4. Hengliang Zhang
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  5. Yi Yang
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Correspondence to Danmei Xie.

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Ngo, V.T., Xie, D., Xiong, Y. et al. Dynamic analysis of a rig shafting vibration based on finite element. Front. Mech. Eng. 8, 244–251 (2013). https://doi.org/10.1007/s11465-013-0264-8

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  • DOI: https://doi.org/10.1007/s11465-013-0264-8

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