Nonlinear structural consequence analysis of FPSO topside blastwalls

Hydrocarbons can be exploded by ignition with the mixture of an oxidizer when the temperature is raised to the point where the molecules of hydrocarbons react spontaneously with an oxidizer. The hydrocarbon explosion causes a blast or a rapid increase in pressure. This kind of accident causes serious casualties, property losses and marine pollution. Topsides of offshore platforms are most likely to be exposed to such hazards as hydrocarbon explosion and a number of major accidents involving them have been reported. The aim of the present study is to develop a practical procedure for nonlinear structural response analysis of floating production storage and offloading (FPSO) topside blast walls under explosion loads. Two methods are adopted for nonlinear structural consequence analysis of FPSO topside blast walls. One has been computed based on the use of time-domain nonlinear finite element analysis and another is performed with single degree of freedom method based on resistance function. The relationships between blast pressure versus impulse of FPSO topside blast walls are developed. This paper introduces the procedure of two methods and describes benefit of each method from the result comparisons. Insights modeling techniques and procedures of this study will be very useful and practical for explosion risk assessment of offshore structures.

• Record URL:
  • https://doi.org/10.1016/j.oceaneng.2012.12.005
• Record URL:
  • http://www.sciencedirect.com/science/article/pii/S0029801812004143
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00298018
• Supplemental Notes:
  • Abstract reprinted with permission from Elsevier.
• Authors:
  • Sohn, Jung Min
  • Kim, Sang Jin
  • Kim, Byoung Hoon
  • Paik, Jeom Kee
• Publication Date: 2013-3-1

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; Photos; References; Tables;
• Pagination: pp 149-162
• Serial:
  • Ocean Engineering
  • Volume: 60
  • Issue Number: 0
  • Publisher: Pergamon
  • ISSN: 0029-8018
  • EISSN: 1873-5258
  • Serial URL: http://www.sciencedirect.com/science/journal/00298018

Subject/Index Terms

• TRT Terms: Blast loads; Dynamic structural analysis; Explosions; Floating structures; Hydrocarbons; Offshore platforms; Risk assessment
• Subject Areas: Marine Transportation; Security and Emergencies; Terminals and Facilities; I21: Planning of Transport Infrastructure;

Filing Info

• Accession Number: 01487743
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 23 2013 11:38AM