Offshore wind power structure safety integration numerical simulation method and system

By using a multiphysics coupling calculation method, a fully coupled simulation of offshore wind power structures was achieved, which solved the problem that the coupling effects of wind, waves, current, structure, and soil were difficult to reflect in existing technologies. This improved the accuracy and calculation efficiency of extreme working condition assessments and enhanced the safety and simulation accuracy of wind turbine units.

CN121009742BActive Publication Date: 2026-05-01LIAOCHENG UNIV
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LIAOCHENG UNIV
Filing Date
2025-08-12
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing technologies cannot accurately reflect the full coupling effects of wind, waves, current, structure, and soil. Their calculation accuracy is insufficient, making them unsuitable for extreme working conditions. Their calculation efficiency is low, and they cannot meet the high-precision evaluation requirements of offshore wind power structures.

Method used

A multiphysics coupling calculation method is adopted, including the fully coupled simulation of wind field, ocean waves, ocean currents and soil-pile interaction. Combining the LES high-precision turbulence model, Stokes high-order nonlinear wave theory and Navier-Stokes equations, the safety integrated numerical simulation of wind power structure is realized through fluid-structure interaction and soil-pile dynamic model.

Benefits of technology

It improves simulation accuracy and computational efficiency, supports extreme condition assessment, and enhances the safety of wind turbines and the engineering application feasibility of the calculations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121009742B_ABST
    Figure CN121009742B_ABST
Patent Text Reader

Abstract

The application relates to a kind of offshore wind power structure safety integration numerical simulation method and system, belong to wind power safety diagnosis field.It includes the following steps: based on wind, wave, flow environment parameter constructs multi-physics field coupling model, generates the dynamic load time history of each part of structure;Utilize finite element method, combine load resultant force to calculate the dynamic response and stress distribution of fan blade and tower;The structure load and dynamic response input soil-pile dynamics model, quantifies the bearing capacity of foundation and seabed soil deformation characteristics;Adopt loose and tight coupling adaptive algorithm to realize wind-wave-flow-structure-soil full coupling simulation: through fluid-solid coupling calculation aerodynamic elastic response, through pile-soil coupling to simulate foundation-seabed interaction, synchronously output structure strain, pile stress and soil stress data;Finally, according to the comprehensive evaluation of multi-physics field coupling data structure safety and long-term service performance.The application can improve the prediction ability of wind turbine safety through full coupling simulation.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • All-coupling numerical simulation method and system for offshore wind turbine

    CN119089592A

  • Penetrating end cable wear prediction method and system based on multi-physics field coupling simulation

    CN119849266A