Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 74
In metocean design , the return period of the design event is fixed , e.g. , a 100 - year return period event is typically ... In the ISO seismic design guidelines , the SLE and DLE return periods are NOT specified as fixed values .
In metocean design , the return period of the design event is fixed , e.g. , a 100 - year return period event is typically ... In the ISO seismic design guidelines , the SLE and DLE return periods are NOT specified as fixed values .
Page 75
For Ll platforms , the scale factors are shown in Table 8 indicating a fairly tight range of 1.50-1.81 . abscissa of this hazard curve should be either the spectral acceleration at the dominant period of the platform , or the spectral ...
For Ll platforms , the scale factors are shown in Table 8 indicating a fairly tight range of 1.50-1.81 . abscissa of this hazard curve should be either the spectral acceleration at the dominant period of the platform , or the spectral ...
Page 457
However , in the last two cases the models give rise to a systematic overestimation around the mean period . The largest deviations are when the observed probabilities tend to bimodal , like in the cases la , Illa and lb , where none of ...
However , in the last two cases the models give rise to a systematic overestimation around the mean period . The largest deviations are when the observed probabilities tend to bimodal , like in the cases la , Illa and lb , where none of ...
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acceptable analysis applied approach assessment associated assumed calculated coefficient combined components considered corresponding corrosion cost crack criteria damage dependent depth determined developed directional distribution dynamic effect element Engineering environmental equation estimate evaluated example expected expressed extreme factor failure fatigue Figure force frequency function fuzzy given important increase initial inspection limit load loss maintenance marine maximum mean measures Mechanics method motion normal observed obtained offshore operations parameters peak performed period pipe pipeline platform possible prediction present probability procedure production random range relative reliability represented response return period riser risk safety ship shown shows significant simulation spectral spectrum statistical steel storm strength stress structure surface Table theory typical uncertainty variables wave height wind