Topology Optimization of Fixed Offshore Platformunder Earthquake Loadingin Gulf of Suez
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2019, Vol 16, Issue 1
Abstract
Jacket-type offshore platforms play an important role in oil and gas industry in shallow and intermediate water depths. The reliability and cost are the most concerned problems in the design, manufacture and installation. In order to design reliable and high cost-benefit platforms, optimization technique is extremely important. Importance of optimization of such important and costly structures increased in the recent years specially with lowering in oil and gas prices.In this paper, a new topologically optimized shape of a standard jacket platform located in the Gulf of Suez is investigated under seismic loads by using proposed automated method. The seismic loading is considered because the Gulf of Suez is considered seismically active zone. A finite element linear time history analysis (Extreme Level Earthquake, ELE) was performed as per the earthquake offshore standard API-2EQ. PEER ground motion database was used for selection and scaling of applied earthquake records. One set of three earthquake components (two horizontal and vertical) of acceleration time history records was considered. Each earthquake component applied in one direction considering gravity, buoyancy and hydrostatic pressure loads. Buckling is not considered in this study.
Authors and Affiliations
Mahmoud Abou El-Makarem, Ahmed A. Elshafey, Abdel-Salam A. Mokhtar, Bahaa Ismail Tork
Keywords
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- EP ID EP438914
- DOI 10.9790/1684-1601025871.
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