Experimental and Numerical Modeling of Flexible Synthetic Mooring Lines for Floating Structures
Oriol Colomés (TU Delft - Offshore Engineering)
Juan Tang (TU Delft - Wind Energy)
Somansundar Sakthivel (TU Delft - Offshore Engineering)
Shagun Agarwal (TU Delft - Offshore Engineering)
Kevin Jonathan (Student TU Delft)
Sergio Sanchez Gómez (TU Delft - Dynamics of Structures, TU Delft - Macromechanic Laboratory)
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Abstract
The expansion of floating offshore renewable energy demands reliable mooring solutions. Synthetic mooring ropes offer cost savings and performance benefits but exhibit complex, nonlinear, and frequency-dependent behavior. This study investigates their mechanical response through experimental testing, characterizing quasi-static and dynamic properties. The results inform a viscoelastic material model that captures nonlinear stiffness and dynamic response under marine loading. Based on Schapery’s formulation, this model can be integrated into a Finite Element framework to simulate real-world conditions, improving predictive capabilities for synthetic mooring lines in offshore applications.