[HELIWIND] Load-Deformation Coupling Mechanism of Helical Anchors during Constant-Pressure Torsional Penetration in Stratified Heterogeneous Soils for Offshore Wind
Ente: EC
Scadenza: 2029-06-30
Importo max: 276.188 EUR
Paese: EU
Descrizione
Helical Anchor (HA)—steel shaft with helical plates—provides a cost-efficient solution for floating offshore wind (FLOW), a crucial element of the EU’s energy transition. FLOW costs remain high (2~4 times fixed-bottom systems), partly due to mooring foundations, which account for 20~30% of expenses. HA alleviates this through efficient installation, high capacity, and material savings.
Nevertheless, applying HA in FLOW poses unprecedented challenges: the required installation loads are orders of magnitude higher than onshore applications. While adjusting the advancement ratio can ease installation, key uncertainties remain in installation mechanics, soil-anchor interaction in layered seabeds, and anchor deformation.
The HELIWIND project aims to advance HA technology from TRL 3 to TRL 5 via prototyping through three objectives (R&IOs):
1) to develop and validate a 3D large-deformation model for HA installation in layered soils, using dual material models and centrifuge validation;
2) to perform parametric studies on soil behavior and anchor deformation to clarify interactions between installation, soil properties, and anchor deformation;
3) to build an intelligent tool integrating geotechnical and structural constraints with physics-informed deep learning to predict installation torque and thrust, and decide the optimized anchor geometry and material.
Using interdisciplinary expertise and University of Dundee resources, the project aims to deliver:
a) Advances in anchor-soil interaction and open-source tools;
b) Higher HA TRLs to cut FLOW costs and boost EU energy leadership;
c) Societal benefits via accelerated energy transition and reduced environmental impact.
The 24-month project comprises five work packages in modeling, analysis, tool development, dissemination, and management, backed by risk mitigation and training. Further, the HELIWIND fellowship is expected to accelerate the ER’s growth from emerging expert to global leader in offshore geotechnics.
Settori: Horizon Europe Topics
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