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

Peiran Jiang, Liquan Wang, Xichun Luo

Research output: Contribution to conferencePaper

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.

Conference

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

Fingerprint

Ocean currents
Dynamic analysis
Dynamic response

Keywords

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

Cite this

Jiang, P., Wang, L., & Luo, X. (2015). Dynamic analysis of an under levelling-gripping system of an jacket platform under offshore environmental loads. 1-4. Paper presented at 21st IEEE International Conference on Automation and Computing (ICAC 2015), Glasgow, United Kingdom. https://doi.org/10.1109/IConAC.2015.7313968
Jiang, Peiran ; Wang, Liquan ; Luo, Xichun. / Dynamic analysis of an under levelling-gripping system of an jacket platform under offshore environmental loads. Paper presented at 21st IEEE International Conference on Automation and Computing (ICAC 2015), Glasgow, United Kingdom.4 p.
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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 Seaconditions, 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.",
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Jiang, P, Wang, L & Luo, X 2015, 'Dynamic analysis of an under levelling-gripping system of an jacket platform under offshore environmental loads' Paper presented at 21st IEEE International Conference on Automation and Computing (ICAC 2015), Glasgow, United Kingdom, 11/09/15 - 12/09/15, pp. 1-4. https://doi.org/10.1109/IConAC.2015.7313968

Dynamic analysis of an under levelling-gripping system of an jacket platform under offshore environmental loads. / Jiang, Peiran; Wang, Liquan; Luo, Xichun.

2015. 1-4 Paper presented at 21st IEEE International Conference on Automation and Computing (ICAC 2015), Glasgow, United Kingdom.

Research output: Contribution to conferencePaper

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AU - Jiang, Peiran

AU - Wang, Liquan

AU - Luo, Xichun

N1 - © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

PY - 2015/9/12

Y1 - 2015/9/12

N2 - 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 Seaconditions, 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.

AB - 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 Seaconditions, 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.

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KW - contact

KW - offshore installations

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Jiang P, Wang L, Luo X. Dynamic analysis of an under levelling-gripping system of an jacket platform under offshore environmental loads. 2015. Paper presented at 21st IEEE International Conference on Automation and Computing (ICAC 2015), Glasgow, United Kingdom. https://doi.org/10.1109/IConAC.2015.7313968