Development of an effective modeling method for the mechanical analysis of three-core submarine power cables under tension
P. Fang (TU Delft - Transport Engineering and Logistics)
Xiao Li (Institute of High Performance Computing)
Xiaoli Jiang (TU Delft - Transport Engineering and Logistics)
J.J. Hopman (TU Delft - Ship Design, Production and Operations)
Yong Bai (Zhejiang University)
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Abstract
The structural complexity of submarine power cables (SPCs) presents significant challenges in their local mechanical analysis. This paper introduces an advanced modeling method developed for analyzing the mechanical behavior of SPCs under tension, emphasizing both accuracy and efficiency. The method’s accuracy is validated through a comparison of simulation results with tension tests conducted on a three-core SPC sample. Efficiency is demonstrated by the superior calculation speed of our model relative to traditional full-scale models. This improved performance is achieved by adopting periodic boundary conditions derived from the homogenization method applied to slender beam-like structures, and by employing a specialized combination of elements to model the helical metal components within the SPCs. The resulting model provides robust capabilities for the mechanical analysis of SPCs under tension and demonstrates significant possibility in accommodating various other loadings.
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