Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 111
... computed and used to compute the linear transfer function vectors in equations ( 36 ) and ( 41 ) . Further , the integration in equation ( 38 ) is performed and the quadratic transfer function vectors in equations ( 37 ) and ( 42 ) are ...
... computed and used to compute the linear transfer function vectors in equations ( 36 ) and ( 41 ) . Further , the integration in equation ( 38 ) is performed and the quadratic transfer function vectors in equations ( 37 ) and ( 42 ) are ...
Page 164
... computed after the spectra are scaled for maximum wave height and summation over all components gives the desired wave pressure record . The linear dynamic wave pressure variation for any wave the component at seabed is computed from ...
... computed after the spectra are scaled for maximum wave height and summation over all components gives the desired wave pressure record . The linear dynamic wave pressure variation for any wave the component at seabed is computed from ...
Page 165
... computed from these values . A zero spectral moment for the sea bed pressure differences was also computed from the pressure samples . Both calculations were made according to the procedure for which the flow diagram is shown in figure ...
... computed from these values . A zero spectral moment for the sea bed pressure differences was also computed from the pressure samples . Both calculations were made according to the procedure for which the flow diagram is shown in figure ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART | 19 |
Fatigue Loading | 33 |
Copyright | |
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analysis applied approach approximately assessment assumed average basic calculated coefficient component computed considered constant corresponding cost crack growth curve cycles damage defect density depends depth derived described determined developed deviation distribution drag effects Engineering equation equivalent estimated evaluated example expected extreme factor failure failure probability fatigue Figure force fracture frequency function geometry given important included increase indicated initial inspection integration joints limit linear load Lognormal material maximum mean measured mechanics method normal obtained offshore structures operation parameters performed period platform predicted present pressure probabilistic probability procedure random variable range ratio reference relative reliability represent requirements respectively response risk safety shown shows significant simulation standard statistical storm strength stress structure surface Table tension tether tubular uncertainty variables variation wave wave height weld