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Article

Numerical Simulation of Seabed Response Around Monopile Under Wave–Vibration

by
Hongyi Du
1,
Dunge Wang
2,
Jiankang Hou
2,
Ziqin Yu
2,
Ze Liu
1 and
Yongzhou Cheng
2,*
1
School of Civil Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
2
School of Hydraulic and Ocean Engineering, Changsha University of Science & Technology, Changsha 410114, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2025, 13(7), 1309; https://doi.org/10.3390/jmse13071309
Submission received: 7 June 2025 / Revised: 3 July 2025 / Accepted: 4 July 2025 / Published: 6 July 2025
(This article belongs to the Section Ocean Engineering)
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Abstract

Monopile foundation is an important foundation form for offshore wind turbines, and the stability of the seabed around it is affected by the combined effects of wave and pile vibration. Based on the Biot consolidation theory and elastoplastic constitutive model, a multi-physical field coupling model of wave–vibration–seabed–monopile is constructed, and the dynamic characteristics of seabed pore pressure around the monopile under the joint action of wave–vibration are systematically investigated, and the influences of waves, vibrations, and seabed parameters on the distribution of pore pressure amplitude are analysed in depth. The results show that the increase in wave incident energy will increase the seabed wave pressure, and the suction and pressure generated by pile vibration will change the soil force state; the coupling of waves and vibrations results in pile displacement difference, causing the seabed pore pressure dissipation depth dissimilarity, and the peak relative amplitude of pore pressure and the peak of vibration displacement are in a linear relationship; the wave parameters and seabed characteristics have a significant effect on the change in pore pressure amplitude distribution.
Keywords: monopile foundation; wave–vibration; numerical simulation; seabed response monopile foundation; wave–vibration; numerical simulation; seabed response

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MDPI and ACS Style

Du, H.; Wang, D.; Hou, J.; Yu, Z.; Liu, Z.; Cheng, Y. Numerical Simulation of Seabed Response Around Monopile Under Wave–Vibration. J. Mar. Sci. Eng. 2025, 13, 1309. https://doi.org/10.3390/jmse13071309

AMA Style

Du H, Wang D, Hou J, Yu Z, Liu Z, Cheng Y. Numerical Simulation of Seabed Response Around Monopile Under Wave–Vibration. Journal of Marine Science and Engineering. 2025; 13(7):1309. https://doi.org/10.3390/jmse13071309

Chicago/Turabian Style

Du, Hongyi, Dunge Wang, Jiankang Hou, Ziqin Yu, Ze Liu, and Yongzhou Cheng. 2025. "Numerical Simulation of Seabed Response Around Monopile Under Wave–Vibration" Journal of Marine Science and Engineering 13, no. 7: 1309. https://doi.org/10.3390/jmse13071309

APA Style

Du, H., Wang, D., Hou, J., Yu, Z., Liu, Z., & Cheng, Y. (2025). Numerical Simulation of Seabed Response Around Monopile Under Wave–Vibration. Journal of Marine Science and Engineering, 13(7), 1309. https://doi.org/10.3390/jmse13071309

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