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Modal Analysis of Anchored Cylindrical Liquid Storage Tanks

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Proceedings of The 20th Pacific Basin Nuclear Conference (PBNC 2016)

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Abstract

The eigenfrequencies of anchored cylindrical liquid storage tanks are investigated with different methods in this paper. Several liquid storage tanks are modeled using finite element software ANSYS. Three methods are applied to analysis the natural frequencies of these liquid storage tanks: formula method, added-mass method, and fluid-solid coupling method. The results show great consistencies. Formula method provides the most conservative result in the three; added-mass method is the most widely used and easy to setup; and fluid-solid coupling method provides better accuracy. Mode shapes of the tank-liquid coupling system can be divided in three types: Liquid sloshing, beam vibration, and circle wave. The influence of liquid volume to frequencies is also analyzed. Results from this investigation could be used for evaluation of anti-seismic performance of anchored cylindrical liquid storage tanks.

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References

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Author information

Authors and Affiliations

  1. China Nuclear Power Engineering Co. Ltd., Beijing, China

    Zimin Zhan

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  1. Zimin Zhan
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Correspondence to Zimin Zhan .

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Editors and Affiliations

  1. China Nuclear Power Engineering Co., Ltd , Beijing, Beijing, China

    Hong Jiang

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© 2017 Springer Science+Business Media Singapore

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Zhan, Z. (2017). Modal Analysis of Anchored Cylindrical Liquid Storage Tanks. In: Jiang, H. (eds) Proceedings of The 20th Pacific Basin Nuclear Conference. PBNC 2016. Springer, Singapore. https://doi.org/10.1007/978-981-10-2317-0_35

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  • DOI: https://doi.org/10.1007/978-981-10-2317-0_35

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-2316-3

  • Online ISBN: 978-981-10-2317-0

  • eBook Packages: EnergyEnergy (R0)

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