Reliability Analysis of Offshore Structures

Halil Karadeniz (), Mehmet Polat Saka () and Vedat Togan
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Halil Karadeniz: Delft University of Technology
Mehmet Polat Saka: Middle East Technical University
Vedat Togan: Karadeniz Technical University

Chapter Chapter 6 in Stochastic Analysis of Offshore Steel Structures, 2013, pp 315-364 from Springer

Abstract: Abstract This chapter is devoted to the reliability analysis of offshore structures. It contains seven sections. The first section describes uncertainties in general and gives information about the reliability methods. The second section presents basic definitions and structural reliability methods in more detail. Calculation of the reliability index β by the FORM and SORM methods are explained for nonlinear failure functions of non-Normal correlated design variables in general. The calculation algorithms and flow diagrams are presented. Then, the numerical integration (NI) and Monte Carlo simulation (MCS) techniques of the Level-III (exact) reliability methods are summarized. The third section presents the inverse reliability method and its calculation algorithm. The fourth section describes uncertainties in the spectral stresses and fatigue damages of offshore structures, which arise from different origins. The fifth section formulates stress spectrum and spectral moments in a reduced uncertainty space. The sixth section explains the fatigue reliability calculation of offshore structures and provides calculation algorithms. The seventh section demonstrates the reliability calculations.

Keywords: Design Variable; Failure Probability; Reliability Index; Failure Surface; Stress Concentration Factor (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:ssrchp:978-1-84996-190-5_6

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DOI: 10.1007/978-1-84996-190-5_6

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