Directional Simulation for Time-Dependent Reliability Problems
Whilst there has been significant progress in the assessment of structural reliability for complex structures (e.g., offshore oil platforms) in the time independent domain, significant problems remain in dealing with structures subject to time varying loading. The crux of the problem lies in the fact that the loads are time dependent (e.g., wave loading, wind loading, etc.) but that the material properties can usually be considered to be essentially time independent. A procedure utilising refined Monte Carlo simulation in the hyper-polar co-ordinate space of the load processes is described herein.
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