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Variation Characteristics of Hydrodynamic Coefficients of Two-Dimensional Rectangular Moonpool Resonance under Sway Motion

Author

Listed:
  • Zhouhao Zhang

    (College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China)

  • Hongsheng Zhang

    (College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China)

  • Yuxin Wang

    (College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China)

  • Yu Zhang

    (College of Harbour, Coastal and Offshore Engineering, Hohai University, Nanjing 210024, China)

Abstract

The phenomenon of sudden changes in hydrodynamic coefficients cannot be neglected when the resonance of a two-dimensional rectangular moonpool occurs; however, it may not be meaningful to discuss the detailed values of hydrodynamic coefficients when the resonance occurs. The analytical solution of the hydrodynamic coefficients of a two-dimensional rectangular moonpool under sway motion derived based on the linear potential flow theory is first improved. The improved analytical results and the results with the far-field method are then compared and verified. The results show that the hydrodynamic coefficients of a two-dimensional rectangular moonpool under sway motion change suddenly at the second resonant frequency, which was not found in the original analytical solution of damping coefficient.

Suggested Citation

  • Zhouhao Zhang & Hongsheng Zhang & Yuxin Wang & Yu Zhang, 2022. "Variation Characteristics of Hydrodynamic Coefficients of Two-Dimensional Rectangular Moonpool Resonance under Sway Motion," Sustainability, MDPI, vol. 14(23), pages 1-10, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:23:p:15952-:d:988512
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    References listed on IDEAS

    as
    1. Jae-Kyung Heo & Jong-Chun Park & Weon-Cheol Koo & Moo-Hyun Kim, 2014. "Influences of Vorticity to Vertical Motion of Two-Dimensional Moonpool under Forced Heave Motion," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-13, March.
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