Vibration reduction of monopile-supported offshore wind turbines based on finite element structural analysis and active control

P Alkhoury, M Aït-Ahmed, AH Soubra, V Rey - Ocean Engineering, 2022 - Elsevier
A finite element (FE) structural analysis based on a commercial software is combined with
an observer-based active control to study the real-time performance of an Active Tuned …

[PDF][PDF] Contributions to the numerical modelling of pile installation processes and high-cyclic loading of soils

P Staubach - Publications of the Chair of Soil Mechanics …, 2022 - scholar.archive.org
This work presents contributions to the numerical modelling of the installation process and
subsequent high-cyclic loading of piles, such as relevant for pile foundations for offshore …

A Review of Static and Dynamic py Curve Models for Pile Foundations

J Wu, L Pu, C Zhai - Buildings, 2024 - mdpi.com
In addition to supporting vertical loads from superstructures, piles are frequently subjected to
horizontal soil pressures, long-term wind, wave, and current forces, as well as seismic loads …

Numerical study on the base shear force-displacement relationship for laterally loaded monopiles in dense sand

Z Chen, Z Zhang, W Li, T Wang, J Zhang - Ocean Engineering, 2023 - Elsevier
Large-diameter monopile is the most widely used foundation for offshore wind energy
converters, which behaves as a semi-rigid/rigid pile under lateral loading. However, the …

Dynamic analysis of a monopile-supported offshore wind turbine considering the soil-foundation-structure interaction

P Alkhoury, AH Soubra, V Rey, M Aït-Ahmed - Soil Dynamics and …, 2022 - Elsevier
This paper presents a nonlinear dynamic analysis of a large diameter monopile-supported
multi-megawatt offshore wind turbine (OWT) installed in sandy soil under perfectly drained …

Ultimate lateral resistance of piles in sand based on the modified strain wedge model

X Zhang, Y Liu, Z Hu, Y Zhang… - Marine Georesources & …, 2022 - Taylor & Francis
This paper proposes a novel method for calculating the ultimate lateral resistance exerted by
sandy soil against laterally loaded piles. The ultimate lateral resistance distribution of the …

A developed soil reaction model for large-diameter monopiles in sand based on hyperbolic curves

X Zhang, D Zou, J Liu, K Chen, X Li, T Wang - Computers and Geotechnics, 2024 - Elsevier
Given the preference as the foundation for offshore wind turbines, this paper focuses on
large-diameter monopiles and presents a series of finite element analyses to investigate the …

Evaluation of a unified py method for lateral analysis of large-diameter drilled shafts using NVShaft

FM Bhuiyan, R Motamed, RV Siddharthan… - Transportation …, 2022 - Elsevier
Lateral load analyses of large-diameter drilled shafts based on the conventional py method
tend to result in unreliable responses. The paper highlights a unified py analysis that …

Cyclic response of long flexible piles in sands incorporating the cavity expansion/contraction theory

L Pang, C Jiang, F Zeng, C Zhang - Ocean Engineering, 2024 - Elsevier
The paper introduces a semi-analytical approach for predicting the pile-soil response under
cyclic lateral loads in sands, incorporating the cavity expansion/contraction theory with an …

Cyclic py curve model of piles subjected to two-way load considering the collapse and densification of sand

F Zeng, C Jiang, P Liu - Ocean Engineering, 2023 - Elsevier
A cyclic p− y curve model is proposed to study the lateral response of piles in sand under
two-way cyclic loads such as wind and wave. The collapse and densification of the soil …