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Publications
Peres, M., Wang, S. and Guedes Soares, C. (2024), Sensitivity analysis of loads on subsea power cables during installation, Advances in Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A. (Eds.), Taylor and Francis, London, UK, pp. 477-487.
In this work, several analyses were performed to evaluate the response of different submarine power cables during normal lay under environmental loads in a number of scenarios for a fixed offshore wind farm. To do so, a numerical model was built in the commercial software OrcaFlex that enables the performance of static and dynamic analyses. Over different cable weights, layback distances, configurations and environmental conditions, the cable response was analysed. The main focus to evaluate the occurrence of top tension and compression loads in the touchdown point. Later, the vessel motion was correlated to the cable behaviour. The results indicated that the cable weight plays an important role in the final response, as well as the layback distance and water depth. Deploying the cable in J-lay method allows a higher workability when compared to standard S-lay deployment method. Finally, a strong correlation between the chute vertical downwards velocity and the cable tension and compression on the touchdown point was encountered.
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