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http://dx.doi.org/10.7837/kosomes.2020.26.6.723

Structural Safety Evaluation for the Hydraulic Power Unit of Topside Module According to the Movement of Offshore Plant  

Ryu, Bo-Rim (Department of Marine System Engineering, Korea Maritime & Ocean University)
Lee, Jin-Uk (Department of Ship Operation, Korea Maritime & Ocean University)
Kang, Ho-Keun (Division of Marine System Engineering, Korea Maritime & Ocean University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.26, no.6, 2020 , pp. 723-731 More about this Journal
Abstract
The design of offshore plants should reflect the various requirements of the owner and the classification society. For a topside module mounted on an of shore structure, the design process is very demanding because of the large spatial constraints and the many requirements related to marine environmental conditions and safety such as the movement of the structure. In this study, the load acting on the hydraulic power unit, which is one of the main equipment in the topside module, was calculated according to the DNVGL rule; the structural safety was evaluated according to each load condition and the structural reliability of the developed product was improved. For structural analysis, MSC software was used, and structural analysis was performed under five load conditions to review structural safety for various movements. The results show that the maximum stress occurred during pitching toward the stern (Load Case 5). The stress level was approximately 85 % of the allowable stress, and the maximum deformation was approximately 5 % of the allowable value. The structural safety was confirmed, and no intermember interference occurred.
Keywords
Offshore Plant; Topside Module; Structural Safety; Structural Analysis; Design Load;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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