توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Fatigue Assessment Analysis of Offshore Structures with Application to an Existing Platform in Suez Gulf, Egypt
نویسنده(ها): ، ،
اطلاعات انتشار: World Applied Sciences Journal، سي ام،شماره۸، ۲۰۱۴، سال
تعداد صفحات: ۲۰
Fatigue has long been recognized as an important consideration for designing offshore structures and intensive cooperative industry research on tubular joints. In this paper, fatigue life assessment for single side welded tubular joints of fixed platforms is numerically assessed as part of mitigation for platform life time. The analysis procedures are presented for numerical fatigue assessment methods based on S–N curve approach for API standard utilizing the simplified method and the spectral (stochastic) method. The wave scatter diagram and the subsequent selection of characteristic individual wave height and period pairs for analysis purposes have been calculated based on individual wave data collected in the Suez Gulf, Egypt. Applications have been performed on a four–leg piled fixed type platforms located in Eastern and Southern blocks of the Suez Gulf, Egypt in order to determine the fatigue life–time of the jacket tubular joints and to check the minimum factor of safety achieved for each joint. The effects of current, jacket natural period and jacket stability on fatigue life assessment have been investigated. The results are discussed and summarized through tables and plotted figures.
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