Analysis of Dynamic Cable Configurations and Installation Safety

DOI

10.2991/978-94-6239-600-5_29How to use a DOI?

Keywords

dynamic cable; configuration selection; installation methods; safety assessment

Abstract

Dynamic cables connect surface floaters to subsea assets and operate over long periods under combined actions of waves, currents, and floater motions. This paper presents a consolidated technical review of configuration selection and installation practice for dynamic cable systems. Six mainstream profiles are covered, namely free hanging catenary, lazy wave, steep wave, lazy-S, steep-S, and compliant or tethered wave, together with two improved variants, WAW and double wave. Free hanging catenary offers low cost but typically shows higher top tension and stronger loads at the touchdown zone. Lazy wave reduces effective top tension and touchdown loading, with total cost commonly about twenty percent higher than a free catenary. Steep wave and the two S configurations improve motion decoupling and global response for harsher seas or crowded seabeds. Installation approaches are compared with attention to overbend and sagbend mechanics, tension management, and tower or stinger settings that govern lay stability. Building on these elements, a practice oriented safety assessment workflow is developed that integrates site metocean and motion monitoring, laboratory determination of axial and bending stiffness, static screening of configuration and parameter ranges, and three dimensional time domain analysis that couples material nonlinearity with floater motions. The review provides selection guidance and verification checks to support reliable offshore deployment of dynamic cables across oil and gas and marine renewable applications.

Copyright

© 2026 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Jiandong Chen
AU  - Jie Luo
AU  - Changyang Peng
AU  - Wei Ye
AU  - Dengmin Yu
AU  - Nuoya Li
PY  - 2026
DA  - 2026/02/26
TI  - Analysis of Dynamic Cable Configurations and Installation Safety
BT  - Proceedings of the 2025 8th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2025)
PB  - Atlantis Press
SP  - 301
EP  - 311
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6239-600-5_29
DO  - 10.2991/978-94-6239-600-5_29
ID  - Chen2026
ER  -