A Novel Numerical Approach to the Dynamics Analysis of Marine Cables

Iordan Matulea, Dragos Stefan, Bogdan Vladescu, Cristian Barbu, António Manuel Flores Romão de Azevedo Gonçalves Coelho

Research output: Contribution to journalArticle

Abstract

Marine cables are exposed to the action of water in relative motion, and hence the need to predict the dynamic behavior of these complex mechanical systems under the typical working conditions since the outset of the
corresponding design processes. This paper describes the basic principles that can be used in a computer program meant to support the design of marine cables that should work under a combination of static and dynamic loadings. A unique mathematical model and a matching numerical method based on finite differences are used, first for determining the static equilibrium configuration of the riser, and then for findings its dynamic response around the formerly computed static configuration. A computer program was specially developed for
implementing the proposed model, and a step-by-step method for the design of marine cables similar to the ones in operation at the Black Sea are herein presented. The conclusion is that this new model provides a coherent and
efficient means to analyze the dynamic behavior of marine cables, as required during the design process.
Original languageEnglish
Pages (from-to)178-194
JournalInternational journal of applied science and technology
Volume4
Issue number2
Publication statusPublished - Mar 2014

Keywords

  • marine cables
  • dynamic behavior
  • finite differences
  • optimization

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