Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 2-3American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 71
... risers . In addition the following possible riser failure modes are discussed : • External forces ( fire at sea ... risers used in connection with production vessels , flexible risers within steel J - tubes , steel risers in shafts on ...
... risers . In addition the following possible riser failure modes are discussed : • External forces ( fire at sea ... risers used in connection with production vessels , flexible risers within steel J - tubes , steel risers in shafts on ...
Page 72
... risers is reliable due to the relatively long experience with this type of risers . However there is less available data for flexible risers . It is therefore necessary to use the statistical material for the latter with some care ...
... risers is reliable due to the relatively long experience with this type of risers . However there is less available data for flexible risers . It is therefore necessary to use the statistical material for the latter with some care ...
Page 74
... risers Inj . risers Dropped Object Station keeping failure Locked turret Basic leak frequency FIGURE 2 LEAK FREQUENCIES FOR FLEXIBLE RISERS • Limit the amount of equipment in the shaft in order to reduce possible ignition sources if a ...
... risers Inj . risers Dropped Object Station keeping failure Locked turret Basic leak frequency FIGURE 2 LEAK FREQUENCIES FOR FLEXIBLE RISERS • Limit the amount of equipment in the shaft in order to reduce possible ignition sources if a ...
Contents
SPECTRAL MODELLING OF WAVES | 1 |
RISK ANALYSIS | 33 |
PROBABILISTIC MODELLING OF WAVES | 99 |
Copyright | |
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alloys aluminium analysis applied ASME assessment base metal bending brittle fracture calculated coefficient corrosion fatigue crack arrestability crack depth crack growth crack tip CTOD curve damage defects deformation dent Det Norske Veritas developed distribution dynamic earthquake effect energy Engineering equation estimated evaluated factor failure fatigue crack Figure fracture mechanics fracture toughness frequency function heat increase initiation inspection Japan maintenance martensitic material maximum mbar measured mechanical properties method notch observed obtained offshore structures OMAE parameters peening performed pipe plastic platform prediction pressure procedure ratio reliability response risers S-N curve safety sea water seismic shielding gas ship shown in Fig simulation single-sided welds specimens spectra spectrum statistical steel plate strain stress range surface Table temperature tensile toughness tubular underwater underwater welding vertical wave height Weibull distribution weld metal welded joints width yield strength yield stress