Dynamic analysis of an under levelling-gripping system of an jacket platform under offshore environmental loads

Peiran Jiang, Liquan Wang, Xichun Luo

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Abstract

This paper concerns dynamic analysis of an underwater leveling-gripping system which is mounted on a jacket under the influence of offshore environmental loads. Based on the Shinozuka theory, the wave load is calculated in the time domain while the ocean current and wind load on the jacket structure are calculated as constant loads. The main environmental loads and its combination which jacket withstand in leveling process are therefore defined. Using SACS software, according to the South China Sea
conditions, a platform bottom dynamic response is calculated under extreme environmental loads in different return period. ADAMS software is also used to dynamically analyze the contact force of key clamping contact parts of leveling-gripping system in leveling process. With the result of analysis, the influence of environmental loads on leveling-gripping system, changes with time, can be obtained accurately, which is an important basis for the design of key parts of the leveling-gripping system.
Original languageEnglish
Pages1-4
Number of pages4
DOIs
Publication statusPublished - 12 Sep 2015
Event21st International Conference on Automation and Computing, ICAC 2015 - University of Strathclyde, Glasgow, United Kingdom
Duration: 11 Sep 201512 Sep 2015

Conference

Conference21st International Conference on Automation and Computing, ICAC 2015
CountryUnited Kingdom
CityGlasgow
Period11/09/1512/09/15

Keywords

  • dynamic analysis
  • leveling-gripping system
  • offshore environmental load
  • time domain
  • contact
  • offshore installations

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